Data
235,076 items of data are available, covering 199,414 participants.
Some values have special meanings defined by Data-Coding
100567.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Units of measurement are years.
| Maximum | 74 |
| Decile 9 | 8 |
| Decile 8 | 5 |
| Decile 7 | 3 |
| Decile 6 | 2 |
| Median | 2 |
| Decile 4 | 1 |
| Decile 3 | 1 |
| Decile 2 | 1 |
| Decile 1 | 1 |
| Minimum | 0 |
|
|
- There are 56 distinct values.
- Mean = 3.46639
- Std.dev = 4.40276
- 4348 items above graph maximum of 15
- 61143 items have value -10 (Less than 1 year ago)
- 59 items have value -3 (Prefer not to answer)
- 6145 items have value -1 (Do not know)
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
155,437 participants, 155,437 items
| Maximum | 55 |
| Decile 9 | 10 |
| Decile 8 | 5 |
| Decile 7 | 4 |
| Decile 6 | 3 |
| Median | 2 |
| Decile 4 | 2 |
| Decile 3 | 1 |
| Decile 2 | 1 |
| Decile 1 | 1 |
| Minimum | 0 |
|
|
- There are 52 distinct values.
- Mean = 3.81326
- Std.dev = 4.73503
- 2681 items above graph maximum of 19
- 40319 items have value -10 (Less than 1 year ago)
- 48 items have value -3 (Prefer not to answer)
- 4110 items have value -1 (Do not know)
|
Instance 1 : First repeat assessment visit (2012-13)
12,779 participants, 12,779 items
| Maximum | 48 |
| Decile 9 | 5 |
| Decile 8 | 3 |
| Decile 7 | 2 |
| Decile 6 | 2 |
| Median | 1 |
| Decile 4 | 1 |
| Decile 3 | 1 |
| Decile 2 | 1 |
| Decile 1 | 1 |
| Minimum | 0 |
|
|
- There are 32 distinct values.
- Mean = 2.46564
- Std.dev = 3.15968
- 361 items above graph maximum of 9
- 3807 items have value -10 (Less than 1 year ago)
- 1 items have value -3 (Prefer not to answer)
- 269 items have value -1 (Do not know)
|
Instance 2 : Imaging visit (2014+)
60,255 participants, 60,255 items
| Maximum | 74 |
| Decile 9 | 6 |
| Decile 8 | 4 |
| Decile 7 | 2 |
| Decile 6 | 2 |
| Median | 2 |
| Decile 4 | 1 |
| Decile 3 | 1 |
| Decile 2 | 1 |
| Decile 1 | 1 |
| Minimum | 0 |
|
|
- There are 50 distinct values.
- Mean = 2.85003
- Std.dev = 3.64917
- 1433 items above graph maximum of 11
- 15310 items have value -10 (Less than 1 year ago)
- 9 items have value -3 (Prefer not to answer)
- 1581 items have value -1 (Do not know)
|
Instance 3 : First repeat imaging visit (2019+)
6,605 participants, 6,605 items
| Maximum | 50 |
| Decile 9 | 6 |
| Decile 8 | 3 |
| Decile 7 | 2 |
| Decile 6 | 2 |
| Median | 2 |
| Decile 4 | 1 |
| Decile 3 | 1 |
| Decile 2 | 1 |
| Decile 1 | 1 |
| Minimum | 0 |
|
|
- There are 33 distinct values.
- Mean = 2.81749
- Std.dev = 3.5328
- 140 items above graph maximum of 11
- 1707 items have value -10 (Less than 1 year ago)
- 1 items have value -3 (Prefer not to answer)
- 185 items have value -1 (Do not know)
|
Notes
ACE touchscreen question "How many years ago was the most recent one of these tests?"
The following checks were performed:
- If answer < 0 then rejected
- If answer > Participants age - 5 years then rejected
- If answer > 20 then participant asked to confirm
If the participant activated the Help button they were shown the message:
If you are unsure, please provide an estimate or select Do not know.
|
Field 2355 was collected from participants who indicated they have had a screening test for bowel (colorectal) cancer, as indicated by their answers to Field 2345
Coding 100567 defines 3 special values:
- -10 represents "Less than 1 year ago"
- -1 represents "Do not know"
- -3 represents "Prefer not to answer"
1 Related Data-Field
| Field ID | Description | Relationship |
|---|
| 2345 | Ever had bowel cancer screening | Current Field was collected from participants who indicated they have had a screening test for bowel (colorectal) cancer, as indicated by their answers to Field 2345 |
