Data
205,776 items of data are available, covering 177,882 participants.
Some values have special meanings defined by Data-Coding
100291.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Units of measurement are years.
| Maximum | 68 |
| Decile 9 | 55 |
| Decile 8 | 54 |
| Decile 7 | 52 |
| Decile 6 | 52 |
| Median | 50 |
| Decile 4 | 50 |
| Decile 3 | 48 |
| Decile 2 | 46 |
| Decile 1 | 43 |
| Minimum | 18 |
|
|
- There are 51 distinct values.
- Mean = 49.7964
- Std.dev = 5.09382
- 1036 items below graph minimum of 31
- 3 items above graph maximum of 67
- 449 items have value -3 (Prefer not to answer)
- 13512 items have value -1 (Do not know)
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
165,320 participants, 165,320 items
| Maximum | 68 |
| Decile 9 | 55 |
| Decile 8 | 54 |
| Decile 7 | 52 |
| Decile 6 | 51 |
| Median | 50 |
| Decile 4 | 50 |
| Decile 3 | 48 |
| Decile 2 | 46 |
| Decile 1 | 43 |
| Minimum | 18 |
|
|
- There are 51 distinct values.
- Mean = 49.6646
- Std.dev = 5.14108
- 895 items below graph minimum of 31
- 2 items above graph maximum of 67
- 370 items have value -3 (Prefer not to answer)
- 10356 items have value -1 (Do not know)
|
Instance 1 : First repeat assessment visit (2012-13)
7,715 participants, 7,715 items
| Maximum | 65 |
| Decile 9 | 55 |
| Decile 8 | 54 |
| Decile 7 | 53 |
| Decile 6 | 52 |
| Median | 51 |
| Decile 4 | 50 |
| Decile 3 | 49 |
| Decile 2 | 47 |
| Decile 1 | 44 |
| Minimum | 20 |
|
|
- There are 41 distinct values.
- Mean = 50.2232
- Std.dev = 4.91337
- 46 items below graph minimum of 33
- 16 items have value -3 (Prefer not to answer)
- 549 items have value -1 (Do not know)
|
Instance 2 : Imaging visit (2014+)
30,051 participants, 30,051 items
| Maximum | 68 |
| Decile 9 | 56 |
| Decile 8 | 54 |
| Decile 7 | 53 |
| Decile 6 | 52 |
| Median | 51 |
| Decile 4 | 50 |
| Decile 3 | 49 |
| Decile 2 | 47 |
| Decile 1 | 44 |
| Minimum | 19 |
|
|
- There are 49 distinct values.
- Mean = 50.3662
- Std.dev = 4.84611
- 120 items below graph minimum of 32
- 60 items have value -3 (Prefer not to answer)
- 2384 items have value -1 (Do not know)
|
Instance 3 : First repeat imaging visit (2019+)
2,690 participants, 2,690 items
| Maximum | 65 |
| Decile 9 | 56 |
| Decile 8 | 54 |
| Decile 7 | 53 |
| Decile 6 | 52 |
| Median | 51 |
| Decile 4 | 50 |
| Decile 3 | 49 |
| Decile 2 | 48 |
| Decile 1 | 45 |
| Minimum | 18 |
|
|
- There are 41 distinct values.
- Mean = 50.4395
- Std.dev = 4.77042
- 17 items below graph minimum of 34
- 3 items have value -3 (Prefer not to answer)
- 223 items have value -1 (Do not know)
|
Notes
ACE touchscreen question "How old were you when your periods stopped?"
The following checks were performed:
- If answer < Age at first period then rejected
- If answer > Participants age then rejected
- If answer > 70 then rejected
- If answer < 40 then participant asked to confirm
- If answer > 60 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 3581 was collected from women who indicated that their periods had stopped, as defined by their answers to Field 2724
Coding 100291 defines 2 special values:
- -1 represents "Do not know"
- -3 represents "Prefer not to answer"
