| Field ID | Description | Category |
|---|
| 23000 | 1gG antigen for Herpes Simplex virus-1 | Infectious Disease Antigens |
| 23001 | 2mgG unique antigen for Herpes Simplex virus-2 | Infectious Disease Antigens |
| 5111 | 3mm asymmetry angle (left) | Refractometer 1 |
| 5108 | 3mm asymmetry angle (right) | Refractometer 1 |
| 5112 | 3mm cylindrical power angle (left) | Refractometer 1 |
| 5115 | 3mm cylindrical power angle (right) | Refractometer 1 |
| 5292 | 3mm index of best keratometry results (left) | Refractometer 1 |
| 5237 | 3mm index of best keratometry results (right) | Refractometer 1 |
| 5104 | 3mm strong meridian angle (left) | Refractometer 1 |
| 5107 | 3mm strong meridian angle (right) | Refractometer 1 |
| 5103 | 3mm weak meridian angle (left) | Refractometer 1 |
| 5100 | 3mm weak meridian angle (right) | Refractometer 1 |
| 5110 | 6mm asymmetry angle (left) | Refractometer 1 |
| 5109 | 6mm asymmetry angle (right) | Refractometer 1 |
| 5113 | 6mm cylindrical power angle (left) | Refractometer 1 |
| 5114 | 6mm cylindrical power angle (right) | Refractometer 1 |
| 5306 | 6mm index of best keratometry results (left) | Refractometer 1 |
| 5251 | 6mm index of best keratometry results (right) | Refractometer 1 |
| 5105 | 6mm strong meridian angle (left) | Refractometer 1 |
| 5106 | 6mm strong meridian angle (right) | Refractometer 1 |
| 5102 | 6mm weak meridian angle (left) | Refractometer 1 |
| 5101 | 6mm weak meridian angle (right) | Refractometer 1 |
| 24612 | AFib - Duration of the Longest Episode | Cardiac monitoring phase 2 | # |
| 24610 | AFib - Maximum Heart Rate | Cardiac monitoring phase 2 | # |
| 24611 | AFib - Minimum Heart Rate | Cardiac monitoring phase 2 | # |
| 24615 | AFib - Total Duration | Cardiac monitoring phase 2 | # |
| 24614 | AFib - Total Episode Count | Cardiac monitoring phase 2 | # |
| 24619 | AFlut - Duration of the Longest Episode | Cardiac monitoring phase 2 | # |
| 24617 | AFlut - Maximum Heart Rate | Cardiac monitoring phase 2 | # |
| 24618 | AFlut - Minimum Heart Rate | Cardiac monitoring phase 2 | # |
| 24622 | AFlut - Total Duration | Cardiac monitoring phase 2 | # |
| 24621 | AFlut - Total Episode Count | Cardiac monitoring phase 2 | # |
| 24727 | AV Block - Total Count | Cardiac monitoring phase 1 | # |
| 24640 | AV Block 2 - Minimum Heart Rate | Cardiac monitoring phase 2 | # |
| 24639 | AV Block 2 - Total Count | Cardiac monitoring phase 2 | # |
| 24644 | AV Block 3 - Minimum Heart Rate | Cardiac monitoring phase 2 | # |
| 24643 | AV Block 3 - Total Count | Cardiac monitoring phase 2 | # |
| 22150 | Age COPD (Chronic Obstructive Pulmonary Disease) diagnosed by doctor | Medical information |
| 22152 | Age alpha-1 antitrypsin deficiency diagnosed by doctor | Medical information |
| 3627 | Age angina diagnosed | Medical conditions |
| 22159 | Age asbestosis diagnosed by doctor | Medical information |
| 3786 | Age asthma diagnosed | Medical conditions |
| 22147 | Age asthma diagnosed by doctor | Medical information |
| 3882 | Age at bilateral oophorectomy (both ovaries removed) | Female-specific factors |
| 20433 | Age at first episode of depression | Depression |
| 29034 | Age at first episode of depression | Depression |
| 29053 | Age at first episode of mania or irritability | Mood changes |
| 2754 | Age at first live birth | Female-specific factors |
| 2824 | Age at hysterectomy | Female-specific factors |
| 20434 | Age at last episode of depression | Depression |
| 29036 | Age at last episode of depression | Depression |
| 29054 | Age at last episode of mania or irritability | Mood changes |
| 2764 | Age at last live birth | Female-specific factors |
| 3581 | Age at menopause (last menstrual period) | Female-specific factors |
| 21022 | Age at recruitment | Baseline characteristics |
| 22154 | Age bronchiectasis diagnosed by doctor | Medical information |
| 4700 | Age cataract diagnosed | Eyesight |
| 22149 | Age chronic bronchitis diagnosed by doctor | Medical information |
| 845 | Age completed full time education | Education |
| 22151 | Age cystic fibrosis diagnosed by doctor | Medical information |
| 4012 | Age deep-vein thrombosis (DVT, blood clot in leg) diagnosed | Medical conditions |
| 2976 | Age diabetes diagnosed | Medical conditions |
| 22148 | Age emphysema diagnosed by doctor | Medical information |
| 3992 | Age emphysema/chronic bronchitis diagnosed | Medical conditions |
| 22156 | Age fibrosing alveolitis/unspecified alveolitis diagnosed by doctor | Medical information |
| 2139 | Age first had sexual intercourse | Sexual factors |
| 4689 | Age glaucoma diagnosed | Eyesight |
| 3761 | Age hay fever, rhinitis or eczema diagnosed | Medical conditions |
| 22146 | Age hayfever or allergic rhinitis diagnosed by doctor | Medical information |
| 3894 | Age heart attack diagnosed | Medical conditions |
| 2966 | Age high blood pressure diagnosed | Medical conditions |
| 22155 | Age idiopathic pulmonary fibrosis diagnosed by doctor | Medical information |
| 3546 | Age last used hormone-replacement therapy (HRT) | Female-specific factors |
| 22160 | Age lung cancer (not mesothelioma) diagnosed by doctor | Medical information |
| 5923 | Age macular degeneration diagnosed | Eyesight |
| 22161 | Age mesothelioma of the lung diagnosed by doctor | Medical information |
| 32263 | Age of ADHD diagnosis | ADHD (Attention deficit hyperactivity disorder) |
| 32325 | Age of autism diagnosis | Autism Spectrum Quotient |
| 29072 | Age of first panic attack | Anxiety and panic |
| 29073 | Age of last panic attack | Anxiety and panic |
| 3872 | Age of primiparous women at birth of child | Female-specific factors |
| 22507 | Age of stopping smoking | Medical information |
| 5945 | Age other serious eye condition diagnosed | Eyesight |
| 4022 | Age pulmonary embolism (blood clot in lung) diagnosed | Medical conditions |
| 22153 | Age sarcoidosis diagnosed by doctor | Medical information |
| 22158 | Age silicosis diagnosed by doctor | Medical information |
| 3536 | Age started hormone-replacement therapy (HRT) | Female-specific factors |
| 2794 | Age started oral contraceptive pill | Female-specific factors |
| 3436 | Age started smoking in current smokers | Smoking |
| 2867 | Age started smoking in former smokers | Smoking |
| 2217 | Age started wearing glasses or contact lenses | Eyesight |
| 2897 | Age stopped smoking | Smoking |
| 6194 | Age stopped smoking cigarettes (current cigar/pipe or previous cigarette smoker) | Smoking |
| 4056 | Age stroke diagnosed | Medical conditions |
| 32267 | Age treament for inattention/distractibility or hyperactivity/impulsivity stopped | ADHD (Attention deficit hyperactivity disorder) |
| 32265 | Age treatment for inattention/distractibility or hyperactivity/impulsivity started | ADHD (Attention deficit hyperactivity disorder) |
| 32342 | Age treatment for irritability started | Emotional Dysregulation |
| 32344 | Age treatment for irritability stopped | Emotional Dysregulation |
| 22157 | Age tuberculosis diagnosed by doctor | Medical information |
| 21003 | Age when attended assessment centre | Reception |
| 5901 | Age when diabetes-related eye disease diagnosed | Eyesight |
| 29126 | Age when first at this low weight | Eating patterns |
| 29118 | Age when first attempted suicide | Harm behaviours |
| 29147 | Age when first engaged in these behaviours for at least three months | Eating patterns |
| 29138 | Age when first experienced overeating/binge eating regularly | Eating patterns |
| 20461 | Age when first had unusual or psychotic experience | Unusual and psychotic experiences |
| 29112 | Age when first self harmed | Harm behaviours |
| 29105 | Age when first took cannabis | Cannabis use |
| 29102 | Age when known person first commented about drinking habits | Alcohol use |
| 20410 | Age when known person last commented about drinking habits | Alcohol use |
| 29103 | Age when known person last commented about drinking habits | Alcohol use |
| 29127 | Age when last at this low weight | Eating patterns |
| 3680 | Age when last ate meat | Diet |
| 29119 | Age when last attempted suicide | Harm behaviours |
| 29148 | Age when last engaged in these behaviours for at least three months | Eating patterns |
| 29139 | Age when last experienced overeating/binge eating regularly | Eating patterns |
| 29113 | Age when last self harmed | Harm behaviours |
| 20455 | Age when last took cannabis | Cannabis use |
| 29106 | Age when last took cannabis | Cannabis use |
| 2804 | Age when last used oral contraceptive pill | Female-specific factors |
| 5430 | Age when loss of vision due to injury or trauma diagnosed | Eyesight |
| 2714 | Age when periods started (menarche) | Female-specific factors |
| 120022 | All over body pain in last three months and rating of pain | Experience of pain |
| 22508 | Amount of tobacco currently smoked | Medical information |
| 23244 | Android bone mass | Body composition by DXA |
| 21110 | Android fat free mass | Body composition by DXA |
| 23245 | Android fat mass | Body composition by DXA |
| 23246 | Android lean mass | Body composition by DXA |
| 21111 | Android tissue mass | Body composition by DXA |
| 21112 | Arm bone mass (left) | Body composition by DXA |
| 21116 | Arm bone mass (right) | Body composition by DXA |
| 21113 | Arm fat free mass (left) | Body composition by DXA |
| 21117 | Arm fat free mass (right) | Body composition by DXA |
| 23249 | Arm fat mass (left) | Body composition by DXA |
| 23253 | Arm fat mass (right) | Body composition by DXA |
| 23250 | Arm lean mass (left) | Body composition by DXA |
| 23254 | Arm lean mass (right) | Body composition by DXA |
| 120030 | Arm pain in last three months and rating of pain | Experience of pain |
| 21114 | Arm tissue mass (left) | Body composition by DXA |
| 21118 | Arm tissue mass (right) | Body composition by DXA |
| 21119 | Arms bone mass | Body composition by DXA |
| 21120 | Arms fat free mass | Body composition by DXA |
| 23257 | Arms fat mass | Body composition by DXA |
| 23258 | Arms lean mass | Body composition by DXA |
| 21121 | Arms tissue mass | Body composition by DXA |
| 5089 | Astigmatism angle (left) | Refractometer 1 |
| 5088 | Astigmatism angle (right) | Refractometer 1 |
| 32364 | Autism-Spectrum Quotient (AQ) score | Autism Spectrum Quotient |
| 22426 | Average heart rate | Left ventricular size and function |
| 4429 | Average monthly beer plus cider intake | Alcohol |
| 4418 | Average monthly champagne plus white wine intake | Alcohol |
| 4451 | Average monthly fortified wine intake | Alcohol |
| 4462 | Average monthly intake of other alcoholic drinks | Alcohol |
| 4407 | Average monthly red wine intake | Alcohol |
| 4440 | Average monthly spirits intake | Alcohol |
| 21044 | Average number of times bowels opened per day | Digestive health |
| 120015 | Average pain from gout in the past 24 hours while resting | Experience of pain |
| 1588 | Average weekly beer plus cider intake | Alcohol |
| 1578 | Average weekly champagne plus white wine intake | Alcohol |
| 1608 | Average weekly fortified wine intake | Alcohol |
| 5364 | Average weekly intake of other alcoholic drinks | Alcohol |
| 1568 | Average weekly red wine intake | Alcohol |
| 1598 | Average weekly spirits intake | Alcohol |
| 23026 | BK VP1 antigen for Human Polyomavirus BKV | Infectious Disease Antigens |
| 41284 | Baby birth weight | Summary Maternity |
| 120026 | Back pain in last three months and rating of pain | Experience of pain |
| 40012 | Behaviour of cancer tumour | Cancer register |
| 24730 | Bigeminy - Total Duration | Cardiac monitoring phase 1 | # |
| 21634 | Biometrics duration | Process durations |
| 2744 | Birth weight of first child | Female-specific factors |
| 21662 | Brain MRI duration | Process durations |
| 1438 | Bread intake | Diet |
| 21104 | Ca concentration | Water minerals |
| 21103 | CaCO3 concentration | Water minerals |
| 23039 | CagA antigen for Helicobacter pylori | Infectious Disease Antigens |
| 24602 | Calculated Duration | Cardiac monitoring phase 2 | # |
| 90171 | Calibration - number of static points | Accelerometer calibration |
| 84 | Cancer year/age first occurred | Medical conditions |
| 21671 | Cardiac monitor duration | Process durations |
| 21665 | Carotid ultrasound duration | Process durations |
| 20121 | Cascot confidence score | Employment |
| 41000 | Case-control status for COVID19 imaging repeat | COVID-19 |
| 23043 | Catalase antigen for Helicobacter pylori | Infectious Disease Antigens |
| 12678 | Central pulse pressure during PWA - PVR | Pulse wave analysis |
| 12677 | Central systolic blood pressure during PWA - PVR | Pulse wave analysis |
| 1458 | Cereal intake | Diet |
| 21663 | Chest MRI duration | Process durations |
| 120035 | Chest pain in last three months and rating of pain | Experience of pain |
| 1737 | Childhood sunburn occasions | Sun exposure |
| 30105 | Clonal haematopoiesis of indeterminate potential (CHIP) number of variants | Genetically deduced phenotypes |
| 1498 | Coffee intake | Diet |
| 21651 | Conclusion duration | Process durations |
| 22644 | Consecutive night shifts during mixed shift periods | Employment history |
| 22654 | Consecutive night shifts during night shift periods | Employment history |
| 21621 | Consent duration (imaging) | Process durations |
| 7526 | Contact lens cylinder axis (left) | Refractometer 2 |
| 7504 | Contact lens cylinder axis (right) | Refractometer 2 |
| 1289 | Cooked vegetable intake | Diet |
| 23018 | Core antigen for Hepatitis C Virus | Infectious Disease Antigens |
| 7385 | Cylinder axis (left) | Refractometer 2 |
| 7386 | Cylinder axis (right) | Refractometer 2 |
| 21664 | DXA assessment duration | Process durations |
| 21139 | DXA measurement QC Flag | DXA assessment |
| 90182 | Data recording errors | Raw accelerometer statistics |
| 120057 | Days per month having headaches when they were at their worst | Experience of pain |
| 20083 | Delay between questionnaire request and completion | Diet questionnaire performance |
| 41215 | Detention categories (polymorphic) | Summary Psychiatric |
| 90179 | Device ID | Raw accelerometer statistics |
| 4079 | Diastolic blood pressure, automated reading | Blood pressure |
| 94 | Diastolic blood pressure, manual reading | Blood pressure |
| 12698 | Diastolic brachial blood pressure - OSC | Pulse wave analysis |
| 12675 | Diastolic brachial blood pressure during PWA - PVR | Pulse wave analysis |
| 796 | Distance between home and job workplace | Employment |
| 1319 | Dried fruit intake | Diet |
| 7673 | Duration between presenting an image and participant making selection | Broken letter recognition |
| 7674 | Duration between presenting an image and participant pressing Next button | Broken letter recognition |
| 32365 | Duration of ADHD module | ADHD (Attention deficit hyperactivity disorder) |
| 32366 | Duration of Autism-Spectrum Quotient module | Autism Spectrum Quotient |
| 32367 | Duration of Emotional Dysregulation module | Emotional Dysregulation |
| 32368 | Duration of Sensory Perception Quotient-10 (SPQ-10) module | Sensory Perception Quotient-10 (SPQ-10) |
| 41275 | Duration of antenatal stay | Summary Maternity |
| 12651 | Duration of eprime test | Directly measured Brain MRI |
| 6039 | Duration of fitness test | ECG during exercise |
| 894 | Duration of moderate activity | Physical activity |
| 30049 | Duration of pain questionnaire | Experience of pain |
| 41285 | Duration of postnatal stay | Summary Maternity |
| 20082 | Duration of questionnaire | Diet questionnaire performance |
| 20751 | Duration of questionnaire | Food (and other) preferences |
| 6317 | Duration of selection in each round | Picture vocabulary |
| 914 | Duration of vigorous activity | Physical activity |
| 874 | Duration of walks | Physical activity |
| 4290 | Duration screen displayed | Prospective memory |
| 6333 | Duration spent answering each puzzle | Matrix pattern completion |
| 20763 | Duration spent answering each puzzle | Matrix pattern completion |
| 6350 | Duration to complete alphanumeric path (trail #2) | Trail making |
| 6348 | Duration to complete numeric path (trail #1) | Trail making |
| 6313 | Duration to entering selection | Tower rearranging |
| 6325 | Duration to entering symbol choice | Symbol digit substitution |
| 20230 | Duration to entering symbol choice | Symbol digit substitution |
| 404 | Duration to first press of snap-button in each round | Reaction time |
| 10147 | Duration to first press of snap-button in each round (pilot) | Reaction time |
| 23030 | E6 antigen for Human Papillomavirus type-16 | Infectious Disease Antigens |
| 23031 | E7 antigen for Human Papillomavirus type-16 | Infectious Disease Antigens |
| 23006 | EA-D antigen for Epstein-Barr Virus | Infectious Disease Antigens |
| 23004 | EBNA-1 antigen for Epstein-Barr Virus | Infectious Disease Antigens |
| 21666 | ECG at rest duration | Process durations |
| 21638 | ECG during exercise duration | Process durations |
| 5983 | ECG, heart rate | ECG during exercise |
| 5984 | ECG, load | ECG during exercise |
| 5993 | ECG, number of stages in a phase | ECG during exercise |
| 5992 | ECG, phase duration | ECG during exercise |
| 5986 | ECG, phase time | ECG during exercise |
| 5990 | ECG, stage duration | ECG during exercise |
| 120121 | Easily fatigued | Experience of pain |
| 6771 | Errors before selecting correct item in alphanumeric path (trail #2) | Trail making |
| 20148 | Errors before selecting correct item in alphanumeric path (trail #2) | Trail making |
| 6770 | Errors before selecting correct item in numeric path (trail #1) | Trail making |
| 20147 | Errors before selecting correct item in numeric path (trail #1) | Trail making |
| 120120 | Exercise brings on fatigue | Experience of pain |
| 1269 | Exposure to tobacco smoke at home | Smoking |
| 1279 | Exposure to tobacco smoke outside home | Smoking |
| 21636 | Eye measures duration | Process durations |
| 20194 | FI14 : duration viewed | Fluid intelligence / reasoning |
| 120024 | Face pain in last three months and rating of pain | Experience of pain |
| 74 | Fasting time | Blood sample collection |
| 2946 | Father's age | Family history |
| 1807 | Father's age at death | Family history |
| 146 | Father's day of birth | Early life factors | # |
| 120123 | Fatigue causes frequent problems | Experience of pain |
| 120125 | Fatigue interferes with carrying out certain duties and responsibilities | Experience of pain |
| 120122 | Fatigue interferes with physical functioning | Experience of pain |
| 120127 | Fatigue interferes with work, family or social life | Experience of pain |
| 120126 | Fatigue is among three most disabling symptoms | Experience of pain |
| 120124 | Fatigue prevents sustained physical functioning | Experience of pain |
| 120033 | Feet pain in last three months and rating of pain | Experience of pain |
| 20016 | Fluid intelligence score | Fluid intelligence / reasoning |
| 20191 | Fluid intelligence score | Fluid intelligence / reasoning |
| 31134 | Fovea centroid x-coordinate (left) | Colour Fundus-derived Eye Measures |
| 31135 | Fovea centroid x-coordinate (right) | Colour Fundus-derived Eye Measures |
| 31136 | Fovea centroid y-coordinate (left) | Colour Fundus-derived Eye Measures |
| 31137 | Fovea centroid y-coordinate (right) | Colour Fundus-derived Eye Measures |
| 2277 | Frequency of solarium/sunlamp use | Sun exposure |
| 777 | Frequency of travelling from home to job workplace | Employment |
| 1309 | Fresh fruit intake | Diet |
| 22011 | Genetic relatedness pairing | Interim genotype release |
| 41269 | Gestation period at first antenatal assessment | Summary Maternity |
| 20317 | Grading of a superior femoral osteophyte | Bone size, mineral and density by DXA |
| 20316 | Grading of an acetabular osteophyte | Bone size, mineral and density by DXA |
| 20318 | Grading of an inferior femoral osteophyte | Bone size, mineral and density by DXA |
| 20315 | Grading of any osteophyte at any site | Bone size, mineral and density by DXA |
| 20319 | Grading of osteophytes at all three site | Bone size, mineral and density by DXA |
| 21042 | Greatest number of times bowels opened per day | Digestive health |
| 23042 | GroEL antigen for Helicobacter pylori | Infectious Disease Antigens |
| 23261 | Gynoid bone mass | Body composition by DXA |
| 21123 | Gynoid fat free mass | Body composition by DXA |
| 23262 | Gynoid fat mass | Body composition by DXA |
| 23263 | Gynoid lean mass | Body composition by DXA |
| 21124 | Gynoid tissue mass | Body composition by DXA |
| 23016 | HBc antigen for Hepatitis B Virus | Infectious Disease Antigens |
| 23017 | HBe antigen for Hepatitis B Virus | Infectious Disease Antigens |
| 23025 | HIV-1 env antigen for Human Immunodeficiency Virus | Infectious Disease Antigens |
| 23024 | HIV-1 gag antigen for Human Immunodeficiency Virus | Infectious Disease Antigens |
| 23023 | HTLV-1 env antigen for Human T-Lymphotropic Virus 1 | Infectious Disease Antigens |
| 23022 | HTLV-1 gag antigen for Human T-Lymphotropic Virus 1 | Infectious Disease Antigens |
| 46 | Hand grip strength (left) | Hand grip strength |
| 47 | Hand grip strength (right) | Hand grip strength |
| 120031 | Hand pain in last three months and rating of pain | Experience of pain |
| 120023 | Head pain in last three months and rating of pain | Experience of pain |
| 24608 | Heart Rate - Average | Cardiac monitoring phase 2 | # |
| 24606 | Heart Rate - Maximum | Cardiac monitoring phase 2 | # |
| 24607 | Heart Rate - Minimum | Cardiac monitoring phase 2 | # |
| 24706 | Heart rate - Average | Cardiac monitoring phase 1 | # |
| 24704 | Heart rate - Maximum | Cardiac monitoring phase 1 | # |
| 24705 | Heart rate - Minimum | Cardiac monitoring phase 1 | # |
| 12673 | Heart rate during PWA - PVR | Pulse wave analysis |
| 12144 | Height | Body size measures |
| 120028 | Hip pain in last three months and rating of pain | Experience of pain |
| 40011 | Histology of cancer tumour | Cancer register |
| 41218 | History of psychiatric care on admission (polymorphic) | Summary Psychiatric |
| 22686 | Home location at assessment - east co-ordinate (100m resolution) | Reception | # |
| 22688 | Home location at assessment - east co-ordinate (1km resolution) | Reception | # |
| 22687 | Home location at assessment - north co-ordinate (100m resolution) | Reception | # |
| 22689 | Home location at assessment - north co-ordinate (1km resolution) | Reception | # |
| 32221 | Home location history - east co-ordinate (100m resolution) | Home locations | # |
| 32223 | Home location history - east co-ordinate (1km resolution) | Home locations | # |
| 32222 | Home location history - north co-ordinate (100m resolution) | Home locations | # |
| 32224 | Home location history - north co-ordinate (1km resolution) | Home locations | # |
| 28177 | Home location, east co-ordinate (100m resolution), wave 7 | Coronavirus serology study wave 7 | # |
| 28175 | Home location, east co-ordinate (1km resolution), wave 7 | Coronavirus serology study wave 7 | # |
| 28172 | Home location, east coordinate (100m resolution), wave 1 | Coronavirus serology study waves 1-6 | # |
| 28170 | Home location, east coordinate (1km resolution), wave 1 | Coronavirus serology study waves 1-6 | # |
| 28178 | Home location, north co-ordinate (100m resolution), wave 7 | Coronavirus serology study wave 7 | # |
| 28176 | Home location, north co-ordinate (1km resolution), wave 7 | Coronavirus serology study wave 7 | # |
| 28173 | Home location, north coordinate (100m resolution), wave 1 | Coronavirus serology study waves 1-6 | # |
| 28171 | Home location, north coordinate (1km resolution), wave 1 | Coronavirus serology study waves 1-6 | # |
| 30472 | Hours of actual sleep per night in 2019 | Quality of sleep |
| 30445 | How many hours of actual sleep each night during the past month | Quality of sleep |
| 30482 | How many hours spent outdoors in summer | Lifestyle routines |
| 30483 | How many hours spent outdoors in winter | Lifestyle routines |
| 23010 | IE1A antigen for Human Herpesvirus-6 | Infectious Disease Antigens |
| 23011 | IE1B antigen for Human Herpesvirus-6 | Infectious Disease Antigens |
| 24636 | IVR - Longest Episode Duration | Cardiac monitoring phase 2 | # |
| 24635 | IVR - Total Episode Count | Cardiac monitoring phase 2 | # |
| 21661 | Imaging screening duration | Process durations |
| 20313 | Index mJSW | Bone size, mineral and density by DXA |
| 5276 | Index of best refractometry result (left) | Refractometer 1 |
| 5221 | Index of best refractometry result (right) | Refractometer 1 |
| 90180 | Interrupted recording periods | Raw accelerometer statistics |
| 6773 | Interval between previous point and current one in alphanumeric path (trail #2) | Trail making |
| 20155 | Interval between previous point and current one in alphanumeric path (trail #2) | Trail making |
| 6772 | Interval between previous point and current one in numeric path (trail #1) | Trail making |
| 20149 | Interval between previous point and current one in numeric path (trail #1) | Trail making |
| 24649 | Isolated SVE - Total Count | Cardiac monitoring phase 2 | # |
| 24732 | Isolated SVE - Total Count | Cardiac monitoring phase 1 | # |
| 24647 | Isolated VE - Total Count | Cardiac monitoring phase 2 | # |
| 24738 | Isolated VE - Total Count | Cardiac monitoring phase 1 | # |
| 23027 | JC VP1 antigen for Human Polyomavirus JCV | Infectious Disease Antigens |
| 23015 | K8.1 antigen for Kaposi's Sarcoma-Associated Herpesvirus | Infectious Disease Antigens |
| 7410 | Keratometry R1 cylinder axis (left) | Refractometer 2 |
| 7407 | Keratometry R1 cylinder axis (right) | Refractometer 2 |
| 7409 | Keratometry R2 cylinder axis (left) | Refractometer 2 |
| 7408 | Keratometry R2 cylinder axis (right) | Refractometer 2 |
| 7405 | Keratometry cylinder axis (left) | Refractometer 2 |
| 7406 | Keratometry cylinder axis (right) | Refractometer 2 |
| 7531 | Keratometry median R1 cylinder axis (left) | Refractometer 2 |
| 7509 | Keratometry median R1 cylinder axis (right) | Refractometer 2 |
| 7534 | Keratometry median R2 cylinder axis (left) | Refractometer 2 |
| 7512 | Keratometry median R2 cylinder axis (right) | Refractometer 2 |
| 7538 | Keratometry median cylinder axis (left) | Refractometer 2 |
| 7516 | Keratometry median cylinder axis (right) | Refractometer 2 |
| 120029 | Knee pain in last three months and rating of pain | Experience of pain |
| 23029 | L1 antigen for Human Papillomavirus type-16 | Infectious Disease Antigens |
| 23032 | L1 antigen for Human Papillomavirus type-18 | Infectious Disease Antigens |
| 23014 | LANA antigen for Kaposi's Sarcoma-Associated Herpesvirus | Infectious Disease Antigens |
| 22420 | LV ejection fraction | Left ventricular size and function |
| 22421 | LV end diastolic volume | Left ventricular size and function |
| 22422 | LV end systolic volume | Left ventricular size and function |
| 22423 | LV stroke volume | Left ventricular size and function |
| 21043 | Least number of times bowels opened per week | Digestive health |
| 21125 | Leg bone mass (left) | Body composition by DXA |
| 21128 | Leg bone mass (right) | Body composition by DXA |
| 21126 | Leg fat free mass (left) | Body composition by DXA |
| 21129 | Leg fat free mass (right) | Body composition by DXA |
| 23266 | Leg fat mass (left) | Body composition by DXA |
| 23270 | Leg fat mass (right) | Body composition by DXA |
| 23267 | Leg lean mass (left) | Body composition by DXA |
| 23271 | Leg lean mass (right) | Body composition by DXA |
| 120034 | Leg pain in last three months and rating of pain | Experience of pain |
| 21127 | Leg tissue mass (left) | Body composition by DXA |
| 21130 | Leg tissue mass (right) | Body composition by DXA |
| 21131 | Legs bone mass | Body composition by DXA |
| 21132 | Legs fat free mass | Body composition by DXA |
| 23274 | Legs fat mass | Body composition by DXA |
| 23275 | Legs lean mass | Body composition by DXA |
| 21133 | Legs tissue mass | Body composition by DXA |
| 3710 | Length of menstrual cycle | Female-specific factors |
| 699 | Length of time at current address | Household |
| 30443 | Length of time to get to sleep during the past month | Quality of sleep |
| 767 | Length of working week for main job | Employment |
| 20442 | Lifetime number of depressed periods | Depression |
| 29033 | Lifetime number of depressed periods | Depression |
| 29055 | Lifetime number of manic or irritable periods | Mood changes |
| 29066 | Lifetime number of panic attacks | Anxiety and panic |
| 29071 | Lifetime number of periods of worry lasting one month or more | Anxiety and panic |
| 3669 | Lifetime number of same-sex sexual partners | Sexual factors |
| 2149 | Lifetime number of sexual partners | Sexual factors |
| 24604 | Longest Continuous Analysable Period | Cardiac monitoring phase 2 | # |
| 4609 | Longest period of depression | Mental health |
| 5375 | Longest period of unenthusiasm / disinterest | Mental health |
| 20420 | Longest period spent worried or anxious | Anxiety |
| 29125 | Lowest weight during period when underweight | Eating patterns |
| 23028 | MC VP1 antigen for Merkel Cell Polyomavirus | Infectious Disease Antigens |
| 4282 | Maximum digits remembered correctly | Numeric memory |
| 20240 | Maximum digits remembered correctly | Numeric memory |
| 6033 | Maximum heart rate during fitness test | ECG during exercise |
| 90186 | Maximum readings exceeding +/-8 gravities after calibration in a 5 second epoch | Raw accelerometer statistics |
| 90184 | Maximum readings exceeding +/-8 gravities before calibration in a 5 second epoch | Raw accelerometer statistics |
| 6032 | Maximum workload during fitness test | ECG during exercise |
| 12687 | Mean arterial pressure during PWA - PVR | Pulse wave analysis |
| 20023 | Mean time to correctly identify matches | Reaction time |
| 21633 | Measurement/Impedance duration (pilot) | Process durations |
| 7519 | Median cylinder axis (left) | Refractometer 2 |
| 7497 | Median cylinder axis (right) | Refractometer 2 |
| 21105 | Mg concentration | Water minerals |
| 2355 | Most recent bowel cancer screening | Cancer screening |
| 41286 | Mother age on date of delivery | Summary Maternity |
| 1845 | Mother's age | Family history |
| 3526 | Mother's age at death | Family history |
| 118 | Mother's day of birth | Early life factors | # |
| 120119 | Motivation is lower when fatigued | Experience of pain |
| 23019 | NS3 antigen for Hepatitis C Virus | Infectious Disease Antigens |
| 120025 | Neck or shoulder pain in last three months and rating of pain | Experience of pain |
| 20127 | Neuroticism score | Mental health |
| 90086 | Non wear episodes over 1 hour duration | Accelerometer wear time duration |
| 87 | Non-cancer illness year/age first occurred | Medical conditions |
| 709 | Number in household | Household |
| 26568 | Number of HolesBeforeFixing (left hemisphere) | Freesurfer ASEG |
| 26599 | Number of HolesBeforeFixing (right hemisphere) | Freesurfer ASEG |
| 12699 | Number of PWA tests performed - PVR | Pulse wave analysis |
| 3972 | Number of adopted brothers | Family history |
| 3982 | Number of adopted sisters | Family history |
| 6671 | Number of antibiotics taken in last 3 months | Medications |
| 4291 | Number of attempts | Prospective memory |
| 12654 | Number of automated diagnostic comments recorded during 12-lead ECG | ECG at rest, 12-lead |
| 68 | Number of blood samples taken | Blood sample collection |
| 2405 | Number of children fathered | Male-specific factors |
| 3456 | Number of cigarettes currently smoked daily (current cigarette smokers) | Smoking |
| 2887 | Number of cigarettes previously smoked daily | Smoking |
| 6183 | Number of cigarettes previously smoked daily (current cigar/pipe smokers) | Smoking |
| 396 | Number of columns displayed in round | Pairs matching |
| 398 | Number of correct matches in round | Pairs matching |
| 20131 | Number of correct matches in round | Pairs matching |
| 10136 | Number of correct matches in round (pilot) | Pairs matching |
| 25746 | Number of dMRI outlier slices detected and corrected | Diffusion brain MRI |
| 120070 | Number of days in the last 3 months headaches interfered with ability to work, study or enjoy life | Experience of pain |
| 120054 | Number of days with headache in past three months | Experience of pain |
| 884 | Number of days/week of moderate physical activity 10+ minutes | Physical activity |
| 904 | Number of days/week of vigorous physical activity 10+ minutes | Physical activity |
| 864 | Number of days/week walked 10+ minutes | Physical activity |
| 4620 | Number of depression episodes | Mental health |
| 20077 | Number of diet questionnaires completed | Diet questionnaire performance |
| 20128 | Number of fluid intelligence questions attempted within time limit | Fluid intelligence / reasoning |
| 20192 | Number of fluid intelligence questions attempted within time limit | Fluid intelligence / reasoning |
| 1873 | Number of full brothers | Family history |
| 1883 | Number of full sisters | Family history |
| 22661 | Number of gap periods | Employment history |
| 12148 | Number of imaging stages blocked at screening | Procedural metrics |
| 399 | Number of incorrect matches in round | Pairs matching |
| 20132 | Number of incorrect matches in round | Pairs matching |
| 10137 | Number of incorrect matches in round (pilot) | Pairs matching |
| 22599 | Number of jobs held | Employment history |
| 20139 | Number of letters correctly identified | Broken letter recognition |
| 7676 | Number of letters displayed | Broken letter recognition |
| 2734 | Number of live births | Female-specific factors |
| 3137 | Number of measurements made | Spirometry |
| 22643 | Number of night shifts worked monthly during mixed shift periods | Employment history |
| 22653 | Number of night shifts worked monthly during night shift periods | Employment history |
| 5057 | Number of older siblings | Family history |
| 136 | Number of operations, self-reported | Operations |
| 3849 | Number of pregnancy terminations | Female-specific factors |
| 41267 | Number of previous pregnancies | Summary Maternity |
| 6383 | Number of puzzles attempted | Tower rearranging |
| 21004 | Number of puzzles correct | Tower rearranging |
| 6373 | Number of puzzles correctly solved | Matrix pattern completion |
| 20760 | Number of puzzles correctly solved | Matrix pattern completion |
| 6374 | Number of puzzles viewed | Matrix pattern completion |
| 20761 | Number of puzzles viewed | Matrix pattern completion |
| 4283 | Number of rounds of numeric memory test performed | Numeric memory |
| 397 | Number of rows displayed in round | Pairs matching |
| 134 | Number of self-reported cancers | Medical conditions |
| 135 | Number of self-reported non-cancer illnesses | Medical conditions |
| 30480 | Number of servings of caffeine in a day | Lifestyle routines |
| 24456 | Number of slices that Eddy estimated to be outliers in dMRI data | Diffusion brain MRI |
| 3839 | Number of spontaneous miscarriages | Female-specific factors |
| 3829 | Number of stillbirths | Female-specific factors |
| 20195 | Number of symbol digit matches attempted | Symbol digit substitution |
| 23323 | Number of symbol digit matches attempted | Symbol digit substitution |
| 20159 | Number of symbol digit matches made correctly | Symbol digit substitution |
| 23324 | Number of symbol digit matches made correctly | Symbol digit substitution |
| 20470 | Number of times believed in an un-real conspiracy against self | Unusual and psychotic experiences |
| 20476 | Number of times believed in un-real communications or signs | Unusual and psychotic experiences |
| 29156 | Number of times have had COVID-19 | COVID-19 |
| 20465 | Number of times heard an un-real voice | Unusual and psychotic experiences |
| 20473 | Number of times seen an un-real vision | Unusual and psychotic experiences |
| 403 | Number of times snap-button pressed | Reaction time |
| 10141 | Number of times snap-button pressed (pilot) | Reaction time |
| 137 | Number of treatments/medications taken | Medications |
| 6038 | Number of trend entries | ECG during exercise |
| 4269 | Number of triplets attempted (left) | Hearing test |
| 4276 | Number of triplets attempted (right) | Hearing test |
| 5386 | Number of unenthusiastic/disinterested episodes | Mental health |
| 2926 | Number of unsuccessful stop-smoking attempts | Smoking |
| 21047 | Number of weeks (in the last year) at work suffering because of IBS | Digestive health |
| 21045 | Number of weeks absent from work due to IBS, in the last year | Digestive health |
| 41276 | Number of weeks of gestation | Summary Maternity |
| 20197 | Number of word pairs correctly associated | Paired associate learning |
| 10612 | Number of words beginning with 'S' (pilot) | Word production |
| 30931 | OCT: central subfield thickness (left) | Retinal grading derived OCT |
| 30913 | OCT: central subfield thickness (right) | Retinal grading derived OCT |
| 23041 | OMP antigen for Helicobacter pylori | Infectious Disease Antigens |
| 92 | Operation year/age first occurred | Operations |
| 20320 | Osteophyte grading at any site | Bone size, mineral and density by DXA |
| 22335 | P axis | ECG at rest, 12-lead |
| 12338 | P duration | ECG at rest, 12-lead |
| 22334 | PP interval | ECG at rest, 12-lead |
| 22330 | PQ interval | ECG at rest, 12-lead |
| 24726 | Pause - Longest Episode Duration | Cardiac monitoring phase 1 | # |
| 24724 | Pause - Total Count | Cardiac monitoring phase 1 | # |
| 24630 | Pauses - Longest Episode Duration | Cardiac monitoring phase 2 | # |
| 24628 | Pauses - Total episode count | Cardiac monitoring phase 2 | # |
| 3064 | Peak expiratory flow (PEF) | Spirometry |
| 10696 | Peak expiratory flow (PEF) (pilot) | Spirometry |
| 12676 | Peripheral pulse pressure during PWA - PVR | Pulse wave analysis |
| 21632 | Pilot Spirometry duration | Process durations |
| 130 | Place of birth in UK - east co-ordinate | Early life factors |
| 129 | Place of birth in UK - north co-ordinate | Early life factors |
| 23037 | PorB antigen for Chlamydia trachomatis | Infectious Disease Antigens |
| 20141 | Position of first letter not identified | Broken letter recognition |
| 20282 | Processing batch | NMR metabolomics processing |
| 4194 | Pulse rate | Arterial stiffness |
| 95 | Pulse rate (during blood-pressure measurement) | Blood pressure |
| 102 | Pulse rate, automated reading | Blood pressure |
| 4196 | Pulse wave peak to peak time | Arterial stiffness |
| 4195 | Pulse wave reflection index | Arterial stiffness |
| 28540 | QC - Macula center aline (left) | Quality control measures for OCT |
| 28541 | QC - Macula center aline (right) | Quality control measures for OCT |
| 28538 | QC - Macula center frame (left) | Quality control measures for OCT |
| 28539 | QC - Macula center frame (right) | Quality control measures for OCT |
| 28544 | QC - Valid count (left) | Quality control measures for OCT |
| 28545 | QC - Valid count (right) | Quality control measures for OCT |
| 30119 | QC number of available mesh timeframes | Cardiac 3D meshes |
| 12340 | QRS duration | ECG at rest, 12-lead |
| 22338 | QRS num | ECG at rest, 12-lead |
| 22331 | QT interval | ECG at rest, 12-lead |
| 22332 | QTC interval | ECG at rest, 12-lead |
| 22336 | R axis | ECG at rest, 12-lead |
| 22333 | RR interval | ECG at rest, 12-lead |
| 20321 | Radiographic osteoarthritis grading | Bone size, mineral and density by DXA |
| 90185 | Readings exceeding +/-8 gravities after calibration | Raw accelerometer statistics |
| 90183 | Readings exceeding +/-8 gravities before calibration | Raw accelerometer statistics |
| 21611 | Reception duration | Process durations |
| 40009 | Reported occurrences of cancer | Cancer register |
| 20283 | Resolved plate swaps | NMR metabolomics processing |
| 26306 | Response delay interval | Picture vocabulary |
| 22645 | Rest days during mixed shift periods | Employment history |
| 22655 | Rest days during night shift periods | Employment history |
| 4260 | Round of numeric memory test | Numeric memory |
| 24653 | SVE Couplets - Total Count | Cardiac monitoring phase 2 | # |
| 24734 | SVE Couplets - Total Count | Cardiac monitoring phase 1 | # |
| 24657 | SVE Triplets - Total Count | Cardiac monitoring phase 2 | # |
| 24736 | SVE Triplets - Total Count | Cardiac monitoring phase 1 | # |
| 24719 | SVT - Longest Episode Beat Count | Cardiac monitoring phase 1 | # |
| 24627 | SVT - Longest Episode Beat Counts | Cardiac monitoring phase 2 | # |
| 24626 | SVT - Longest Episode Duration | Cardiac monitoring phase 2 | # |
| 24718 | SVT - Longest Episode Duration | Cardiac monitoring phase 1 | # |
| 24625 | SVT - Maximum Heart Rate | Cardiac monitoring phase 2 | # |
| 24623 | SVT - Total Episode Count | Cardiac monitoring phase 2 | # |
| 24716 | SVT - Total Episode Count | Cardiac monitoring phase 1 | # |
| 1299 | Salad / raw vegetable intake | Diet |
| 31045 | Sample analysis batch | Neurobiomarkers |
| 31046 | Sample analysis plate | Neurobiomarkers |
| 21642 | Sample collection duration | Process durations |
| 120097 | Scale of how much pain that bothers most has interfered with enjoyment of life | Experience of pain |
| 120091 | Scale of how much pain that bothers most has interfered with general activity | Experience of pain |
| 120092 | Scale of how much pain that bothers most has interfered with mood | Experience of pain |
| 120094 | Scale of how much pain that bothers most has interfered with normal work | Experience of pain |
| 120095 | Scale of how much pain that bothers most has interfered with relations with other people | Experience of pain |
| 120096 | Scale of how much pain that bothers most has interfered with sleep | Experience of pain |
| 120093 | Scale of how much pain that bothers most has interfered with walking ability | Experience of pain |
| 120087 | Scale of pain that bothers most at its least in the last 24 hours | Experience of pain |
| 120086 | Scale of pain that bothers most at its worst in the last 24 hours | Experience of pain |
| 120088 | Scale of pain that bothers most on average | Experience of pain |
| 120089 | Scale of pain that bothers most right now | Experience of pain |
| 29155 | Scale to indicate how health is today | General health |
| 120103 | Scale to indicate how health is today | Experience of pain |
| 4230 | Signal-to-noise-ratio (SNR) of triplet (left) | Hearing test |
| 4241 | Signal-to-noise-ratio (SNR) of triplet (right) | Hearing test |
| 1160 | Sleep duration | Sleep |
| 41235 | Spells in hospital | Summary Administration |
| 120027 | Stomach or abdomen pain in last three months and rating of pain | Experience of pain |
| 12686 | Stroke volume during PWA - PVR | Pulse wave analysis |
| 22033 | Summed days activity | MET Scores |
| 22034 | Summed minutes activity | MET Scores |
| 4080 | Systolic blood pressure, automated reading | Blood pressure |
| 93 | Systolic blood pressure, manual reading | Blood pressure |
| 12697 | Systolic brachial blood pressure - OSC | Pulse wave analysis |
| 12674 | Systolic brachial blood pressure during PWA - PVR | Pulse wave analysis |
| 22337 | T axis | ECG at rest, 12-lead |
| 1488 | Tea intake | Diet |
| 757 | Time employed in main current job | Employment |
| 3700 | Time since last menstrual period | Female-specific factors |
| 3809 | Time since last prostate specific antigen (PSA) test | Cancer screening |
| 1050 | Time spend outdoors in summer | Sun exposure |
| 1090 | Time spent driving | Physical activity |
| 1060 | Time spent outdoors in winter | Sun exposure |
| 1080 | Time spent using computer | Physical activity |
| 1070 | Time spent watching television (TV) | Physical activity |
| 10144 | Time taken to complete lights test (pilot) | Lights pattern memory |
| 4288 | Time to answer | Prospective memory |
| 400 | Time to complete round | Pairs matching |
| 20133 | Time to complete round | Pairs matching |
| 10138 | Time to complete round (pilot) | Pairs matching |
| 30438 | Time typically fell asleep on a non-working day in the past month - version 1 | Work and sleep |
| 30439 | Time typically fell asleep on a non-working day in the past month - version 2 | Work and sleep |
| 30436 | Time typically fell asleep on a workday in the past month | Work and sleep |
| 30440 | Time typically woke up on a non-working day in the past month - version 1 | Work and sleep |
| 30441 | Time typically woke up on a non-working day in the past month - version 2 | Work and sleep |
| 30437 | Time typically woke up on a workday in the past month | Work and sleep |
| 30442 | Time usually gone to bed during the past month | Quality of sleep |
| 30444 | Time usually got up in the morning during the past month | Quality of sleep |
| 24603 | Total Analysable Time | Cardiac monitoring phase 2 | # |
| 21122 | Total bone mass | Body composition by DXA |
| 90187 | Total data readings | Raw accelerometer statistics |
| 7678 | Total duration of test | Broken letter recognition |
| 6351 | Total errors traversing alphanumeric path (trail #2) | Trail making |
| 20248 | Total errors traversing alphanumeric path (trail #2) | Trail making |
| 6349 | Total errors traversing numeric path (trail #1) | Trail making |
| 20247 | Total errors traversing numeric path (trail #1) | Trail making |
| 23278 | Total fat mass | Body composition by DXA |
| 23279 | Total fat-free mass | Body composition by DXA |
| 23280 | Total lean mass | Body composition by DXA |
| 23282 | Total tissue mass | Body composition by DXA |
| 24013 | Total traffic load on major roads | Residential air pollution |
| 21625 | Touchscreen cognitive duration | Process durations |
| 21623 | Touchscreen cognitive duration (pilot) | Process durations |
| 21622 | Touchscreen duration (maging) | Process durations |
| 24011 | Traffic intensity on the nearest major road | Residential air pollution |
| 24009 | Traffic intensity on the nearest road | Residential air pollution |
| 7523 | Trial lens cylinder axis (left) | Refractometer 2 |
| 7501 | Trial lens cylinder axis (right) | Refractometer 2 |
| 24731 | Trigeminy - Total Duration | Cardiac monitoring phase 1 | # |
| 21134 | Trunk bone mass | Body composition by DXA |
| 23284 | Trunk fat mass | Body composition by DXA |
| 23285 | Trunk lean mass | Body composition by DXA |
| 21135 | Trunk tissue mass | Body composition by DXA |
| 23013 | U14 antigen for Human Herpesvirus-7 | Infectious Disease Antigens |
| 30903 | UKB-PPP Consortium selected participant | Protein biomarkers |
| 90084 | Unique hours of wear in a 24 hour cycle (scattered over multiple days) | Accelerometer wear time duration |
| 90085 | Unique minutes of wear in a 24 hour cycle (scattered over multiple days) | Accelerometer wear time duration |
| 23044 | UreA antigen for Helicobacter pylori | Infectious Disease Antigens |
| 30027 | Urine collection (imaging) duration | Process durations |
| 21641 | Urine collection (pilot) duration | Process durations |
| 22642 | Usual length of each night shift during mixed shift periods | Employment history |
| 22652 | Usual length of each night shift during night shift periods | Employment history |
| 23288 | VAT (visceral adipose tissue) mass | Body composition by DXA |
| 23289 | VAT (visceral adipose tissue) volume | Body composition by DXA |
| 23003 | VCA p18 antigen for Epstein-Barr Virus | Infectious Disease Antigens |
| 24651 | VE Couplets - Total Count | Cardiac monitoring phase 2 | # |
| 24740 | VE Couplets - Total Count | Cardiac monitoring phase 1 | # |
| 24655 | VE Triplets - Total Count | Cardiac monitoring phase 2 | # |
| 24742 | VE Triplets - Total Count | Cardiac monitoring phase 1 | # |
| 24632 | VF - Longest Episode Duration | Cardiac monitoring phase 2 | # |
| 24722 | VF - Longest Episode Duration | Cardiac monitoring phase 1 | # |
| 24631 | VF - Total Episode Count | Cardiac monitoring phase 2 | # |
| 24721 | VF - Total Episode Count | Cardiac monitoring phase 1 | # |
| 24714 | VT - Longest Episode Beat Count | Cardiac monitoring phase 1 | # |
| 24634 | VT - Longest Episode Duration | Cardiac monitoring phase 2 | # |
| 24713 | VT - Longest Episode Duration | Cardiac monitoring phase 1 | # |
| 24633 | VT - Total Episode Count | Cardiac monitoring phase 2 | # |
| 24711 | VT - Total Episode Count | Cardiac monitoring phase 1 | # |
| 23040 | VacA antigen for Helicobacter pylori | Infectious Disease Antigens |
| 20229 | Values entered | Symbol digit substitution |
| 20200 | Values wanted | Symbol digit substitution |
| 12336 | Ventricular rate | ECG at rest, 12-lead |
| 21631 | Verbal interview duration | Process durations |
| 1528 | Water intake | Diet |
| 24605 | Wear time for cardiac monitor | Cardiac monitoring phase 2 | # |
| 12143 | Weight (pre-imaging) | Body size measures |
| 29170 | When retired | Social situation |
| 120055 | When worst headaches began | Experience of pain |
| 120056 | When worst headaches ended | Experience of pain |
| 10609 | Words answer array (pilot) | Word production |
| 22501 | Year ended full time education | Work environment |
| 22664 | Year gap ended | Employment history |
| 22663 | Year gap started | Employment history |
| 3659 | Year immigrated to UK (United Kingdom) | Ethnicity |
| 22603 | Year job ended | Employment history |
| 22602 | Year job started | Employment history |
| 34 | Year of birth | Baseline characteristics |
| 22200 | Year of birth | Employment history |
| 120006 | Year surgery was performed leading to chronic post-surgical pain | Experience of pain |
| 22505 | Years of bringing up phlegm/sputum/mucus on most days | Medical information |
| 22503 | Years of cough on most days | Medical information |
| 2684 | Years since last breast cancer screening / mammogram | Female-specific factors |
| 2704 | Years since last cervical smear test | Female-specific factors |
| 23005 | ZEBRA antigen for Epstein-Barr Virus | Infectious Disease Antigens |
| 23002 | gE / gI antigen for Varicella Zoster Virus | Infectious Disease Antigens |
| 23034 | momp A antigen for Chlamydia trachomatis | Infectious Disease Antigens |
| 23033 | momp D antigen for Chlamydia trachomatis | Infectious Disease Antigens |
| 23012 | p101 k antigen for Human Herpesvirus-6 | Infectious Disease Antigens |
| 23020 | p22 antigen for Toxoplasma gondii | Infectious Disease Antigens |
| 23038 | pGP3 antigen for Chlamydia trachomatis | Infectious Disease Antigens |
| 23009 | pp 28 antigen for Human Cytomegalovirus | Infectious Disease Antigens |
| 23008 | pp 52 antigen for Human Cytomegalovirus | Infectious Disease Antigens |
| 23007 | pp150 Nter antigen for Human Cytomegalovirus | Infectious Disease Antigens |
| 23021 | sag1 antigen for Toxoplasma gondii | Infectious Disease Antigens |
| 23035 | tarp-D F1 antigen for Chlamydia trachomatis | Infectious Disease Antigens |
| 23036 | tarp-D F2 antigen for Chlamydia trachomatis | Infectious Disease Antigens |
