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 | 21 |
| Decile 9 | 2 |
| Decile 8 | 1 |
| Decile 7 | 1 |
| Decile 6 | 1 |
| Median | 1 |
| Decile 4 | 1 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 20 distinct values.
- Mean = 0.945682
- Std.dev = 1.06315
- 1246 items above graph maximum of 4
- 208 items have value -3 (Prefer not to answer)
- 279 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 | 21 |
| Decile 9 | 2 |
| Decile 8 | 1 |
| Decile 7 | 1 |
| Decile 6 | 1 |
| Median | 1 |
| Decile 4 | 1 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 20 distinct values.
- Mean = 0.947626
- Std.dev = 1.07445
- 1108 items above graph maximum of 4
- 195 items have value -3 (Prefer not to answer)
- 260 items have value -1 (Do not know)
|
Instance 1 : First repeat assessment visit (2012-13)
3,068 participants, 3,068 items
| Maximum | 14 |
| Decile 9 | 2 |
| Decile 8 | 1 |
| Decile 7 | 1 |
| Decile 6 | 1 |
| Median | 1 |
| Decile 4 | 1 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 12 distinct values.
- Mean = 0.974191
- Std.dev = 1.01362
- 29 items above graph maximum of 4
- 4 items have value -3 (Prefer not to answer)
- 3 items have value -1 (Do not know)
|
Instance 2 : Imaging visit (2014+)
10,418 participants, 10,418 items
| Maximum | 11 |
| Decile 9 | 2 |
| Decile 8 | 1 |
| Decile 7 | 1 |
| Decile 6 | 1 |
| Median | 1 |
| Decile 4 | 1 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 12 distinct values.
- Mean = 0.920731
- Std.dev = 0.99158
- 104 items above graph maximum of 4
- 9 items have value -3 (Prefer not to answer)
- 14 items have value -1 (Do not know)
|
Instance 3 : First repeat imaging visit (2019+)
857 participants, 857 items
| Maximum | 6 |
| Decile 9 | 2 |
| Decile 8 | 1 |
| Decile 7 | 1 |
| Decile 6 | 1 |
| Median | 1 |
| Decile 4 | 1 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 7 distinct values.
- Mean = 0.949708
- Std.dev = 0.907949
- 5 items above graph maximum of 4
- 2 items have value -1 (Do not know)
|
Notes
ACE touchscreen question "How many spontaneous miscarriages? (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 3839 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"
