Top 1 Population characteristics 1 2 Ongoing characteristics 100091 42 Algorithmically-defined outcomes 42 43 Stroke outcomes 42 44 Myocardial infarction outcomes 100054 54 MET Scores 100003 100 Brain MRI 100006 101 Carotid ultrasound 100003 102 Heart MRI 100003 103 DXA assessment 100006 104 ECG at rest, 12-lead 100003 105 Abdominal MRI 100 106 Task functional brain MRI 100 107 Diffusion brain MRI 100 108 Scout images and configuration for brain MRI 100 109 Susceptibility weighted brain MRI 100 110 T1 structural brain MRI 100 111 Resting functional brain MRI 100 112 T2-weighted brain MRI 100088 113 Local environment 113 114 Residential air pollution 113 115 Residential noise pollution 100089 116 Cognitive function online 116 117 Pairs matching 116 118 Fluid intelligence 116 120 Numeric memory 116 121 Trail making 116 122 Symbol digit substitution 100089 123 Work environment 103 124 Body composition by DXA 103 125 Bone size, mineral and density by DXA 105 126 Liver MRI 100004 127 Process authorisation 102 128 Pulse wave analysis 100004 129 Process completion times 123 130 Employment history 105 131 Pancreas MRI 123 132 Medical information 102 133 Left ventricular size and function 107 134 dMRI skeleton 107 135 dMRI weighted means 100089 136 Mental health 136 137 Mental distress 136 138 Depression 136 139 Mania 136 140 Anxiety 136 141 Addictions 136 142 Alcohol use 136 143 Cannabis use 136 144 Unusual and psychotic experiences 136 145 Traumatic events 136 146 Self-harm behaviours 136 147 Happiness and subjective well-being 100083 148 Urine processing 105 149 Abdominal composition 113 150 Home locations 113 151 Greenspace and coastal proximity 100004 152 Process durations 100026 501 Matrix pattern completion 100026 502 Symbol digit substitution 100026 503 Tower rearranging 100026 504 Picture vocabulary 100026 505 Trail making 100026 506 Paired associate learning Top 1001 Primary demographics Top 1002 Early life Top 1003 Self-reported medical conditions Top 1004 Diet and alcohol summary Top 1005 Cognitive function summary Top 1006 Physical measure summary Top 1007 Education and employment 100088 1008 Physical activity measurement 1008 1009 Acceleration averages 1008 1010 Acceleration intensity distribution 1008 1011 Accelerometer wear time duration 1008 1012 Accelerometer calibration 1008 1013 Raw accelerometer statistics Top 1014 Brain MRI Top 1015 Heart MRI Top 1016 Main abdominal MRI fields likely to be of interest to researchers. Top 1017 Genomics Top 1018 Mental health Top 1019 Linked health outcomes 100091 2000 Hospital in-patient 2000 2001 Admission and discharge 2000 2002 Diagnoses 2000 2003 Maternity 2000 2004 Psychiatric 2000 2005 Operations 2001 2011 Spell and Episode Data (admission and discharge) 2002 2012 Spell and Episode Data (diagnoses) 2003 2013 Spell and Episode Data (maternity) 2004 2014 Spell and Episode Data (psychiatric) 2005 2015 Spell and Episode Data (operations) 2001 2021 Summary Information (admission and discharge) 2002 2022 Summary Information (diagnoses) 2003 2023 Summary Information (maternity) 2004 2024 Summary Information (psychiatric) 2005 2025 Summary Information (operations) Top 2384 XNAT image package 100081 9081 Blood count processing Top 100000 UK Biobank Assessment Centre 100000 100001 Biological sampling 100001 100002 Blood sample collection 100000 100003 Imaging 100000 100004 Procedural metrics Top 100005 Pilot assessment 100000 100006 Physical measures 100006 100007 Arterial stiffness 100006 100008 Anthropometry 100008 100009 Impedance measures 100008 100010 Body size measures 100006 100011 Blood pressure 100006 100012 ECG during exercise 100006 100013 Eye measures 100013 100014 Autorefraction 100013 100015 Intraocular pressure 100013 100016 Retinal optical coherence tomography 100013 100017 Visual acuity 100006 100018 Bone-densitometry of heel 100006 100019 Hand grip strength 100006 100020 Spirometry 100000 100021 Recruitment 100021 100022 Conclusion 100021 100023 Consent 100021 100024 Reception 100000 100025 Touchscreen 100000 100026 Cognitive function 100026 100027 Fluid intelligence 100026 100028 Lights pattern memory 100026 100029 Numeric memory 100026 100030 Pairs matching 100026 100031 Prospective memory 100026 100032 Reaction time 100025 100033 Early life factors 100025 100034 Family history 100314 100035 HLA 100025 100036 Health and medical history 100036 100037 Breathing 100036 100038 Claudication and peripheral artery disease 100036 100039 Chest pain 100036 100040 Cancer screening 100036 100041 Eyesight 100036 100042 General health 100036 100043 Hearing 100036 100044 Medical conditions 100036 100045 Medication 100036 100046 Mouth 100036 100047 Operations 100036 100048 Pain 100006 100049 Hearing test 100025 100050 Lifestyle and environment 100050 100051 Alcohol 100050 100052 Diet 100050 100053 Electronic device use 100050 100054 Physical activity 100050 100055 Sun exposure 100050 100056 Sexual factors 100050 100057 Sleep 100050 100058 Smoking 100025 100059 Psychosocial factors 100059 100060 Mental health 100059 100061 Social support 100025 100062 Sociodemographics 100062 100063 Education 100062 100064 Employment 100062 100065 Ethnicity 100062 100066 Household 100062 100067 Other sociodemographic factors 100025 100068 Sex-specific factors 100068 100069 Female-specific factors 100068 100070 Male-specific factors 100000 100071 Verbal interview 100071 100072 Early life factors 100071 100073 Employment 100071 100074 Medical conditions 100071 100075 Medications 100071 100076 Operations 100026 100077 Word production Top 100078 Biological samples 100078 100079 Assay results 100079 100080 Blood assays 100080 100081 Blood count 100079 100082 Saliva assays 100079 100083 Urine assays 100078 100084 Sample inventory 100084 100085 Blood sample inventory 100084 100086 Saliva sample inventory 100084 100087 Urine sample inventory Top 100088 Additional exposures Top 100089 Online follow-up 100089 100090 Diet by 24-hour recall Top 100091 Health-related outcomes 100091 100092 Cancer register 100091 100093 Death register 1 100094 Baseline characteristics 100001 100095 Urine sample collection 100001 100096 Saliva sample collection 100090 100097 Typical diet yesterday 100090 100098 Estimated nutrients yesterday 100013 100099 Eye surgery/complications 100090 100100 Alcoholic beverages yesterday 100090 100101 Bread/pasta/rice yesterday 100090 100102 Cereal yesterday 100090 100103 Fruit/vegetables yesterday 100090 100104 Hot/cold beverages yesterday 100090 100105 Meal type yesterday 100090 100106 Meat/fish yesterday 100090 100107 Milk/eggs/cheese yesterday 100090 100108 Physical activity yesterday 100090 100109 Soup/snacks/pastries yesterday 100090 100110 Spreads/sauces/cooking oils yesterday 100090 100111 Vegetarian alternatives yesterday 100090 100112 Vitamin/mineral supplements yesterday Top 100113 Geographical and location 100090 100114 Diet questionnaire performance 113 100115 UK Biobank Urban Morphometric Platform Top 100120 Communication and participation in extension studies 100314 100313 Genotyping process and sample QC Top 100314 Genomics 100314 100315 Genotypes 199001 100316 Genotype confidences 199001 100317 Genotyping intensities 100314 100319 Imputation 100314 199001 Interim genotype release