Data
101,558 items of data are available, covering 87,974 participants.
Some values have special meanings defined by Data-Coding
100291.
Defined-instances run from 0 to 3, labelled using Instancing
2.
| Maximum | 22 |
| Decile 9 | 1 |
| Decile 8 | 1 |
| Decile 7 | 1 |
| Decile 6 | 1 |
| Median | 0 |
| Decile 4 | 0 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 15 distinct values.
- Mean = 0.546855
- Std.dev = 0.747265
- 1729 items above graph maximum of 2
- 817 items have value -3 (Prefer not to answer)
- 155 items have value -1 (Do not know)
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
87,215 participants, 87,215 items
| Maximum | 22 |
| Decile 9 | 1 |
| Decile 8 | 1 |
| Decile 7 | 1 |
| Decile 6 | 1 |
| Median | 0 |
| Decile 4 | 0 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 15 distinct values.
- Mean = 0.551013
- Std.dev = 0.754866
- 1547 items above graph maximum of 2
- 755 items have value -3 (Prefer not to answer)
- 139 items have value -1 (Do not know)
|
Instance 1 : First repeat assessment visit (2012-13)
3,068 participants, 3,068 items
| Maximum | 4 |
| Decile 9 | 1 |
| Decile 8 | 1 |
| Decile 7 | 1 |
| Decile 6 | 0 |
| Median | 0 |
| Decile 4 | 0 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 5 distinct values.
- Mean = 0.460177
- Std.dev = 0.651728
- 30 items above graph maximum of 2
- 10 items have value -3 (Prefer not to answer)
- 7 items have value -1 (Do not know)
|
Instance 2 : Imaging visit (2014+)
10,418 participants, 10,418 items
| Maximum | 11 |
| Decile 9 | 1 |
| Decile 8 | 1 |
| Decile 7 | 1 |
| Decile 6 | 1 |
| Median | 0 |
| Decile 4 | 0 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 11 distinct values.
- Mean = 0.5389
- Std.dev = 0.712433
- 143 items above graph maximum of 2
- 50 items have value -3 (Prefer not to answer)
- 8 items have value -1 (Do not know)
|
Instance 3 : First repeat imaging visit (2019+)
857 participants, 857 items
| Maximum | 5 |
| Decile 9 | 1 |
| Decile 8 | 1 |
| Decile 7 | 1 |
| Decile 6 | 1 |
| Median | 0 |
| Decile 4 | 0 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 6 distinct values.
- Mean = 0.532787
- Std.dev = 0.684884
- 9 items above graph maximum of 2
- 2 items have value -3 (Prefer not to answer)
- 1 items have value -1 (Do not know)
|
Notes
ACE touchscreen question "How many terminations? (enter 0 if none)"
The following checks were performed:
- If answer < 0 then rejected
- If answer > 35 then rejected
- If answer > 11 then participant asked to confirm
Field 3849 was collected from women who indicated that they had had a stillbirth, spontaneous miscarriage or termination, as defined by their answers to Field 2774
Coding 100291 defines 2 special values:
- -1 represents "Do not know"
- -3 represents "Prefer not to answer"
