Data
103,491 items of data are available, covering 88,082 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 = 0.946308
- Std.dev = 1.06374
- 1277 items above graph maximum of 4
- 211 items have value -3 (Prefer not to answer)
- 286 items have value -1 (Do not know)
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
87,211 participants, 87,211 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 = 0.947658
- Std.dev = 1.07446
- 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+)
12,119 participants, 12,119 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 = 0.927945
- Std.dev = 1.00628
- 131 items above graph maximum of 4
- 12 items have value -3 (Prefer not to answer)
- 19 items have value -1 (Do not know)
|
Instance 3 : First repeat imaging visit (2019+)
1,093 participants, 1,093 items
| Maximum | 8 |
| 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 9 distinct values.
- Mean = 0.964187
- Std.dev = 0.954234
- 9 items above graph maximum of 4
- 4 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"
