Data
600,278 items of data are available, covering 498,812 participants.
Some values have special meanings defined by Data-Coding
100537.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Units of measurement are times/year.
| Maximum | 900 |
| Decile 9 | 0 |
| Decile 8 | 0 |
| Decile 7 | 0 |
| Decile 6 | 0 |
| Median | 0 |
| Decile 4 | 0 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 88 distinct values.
- Mean = 0.481245
- Std.dev = 4.38896
- 21892 items above graph maximum of 1
- 27354 items have value -10 (Less than once a year)
- 1626 items have value -3 (Prefer not to answer)
- 4589 items have value -1 (Do not know)
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
497,666 participants, 497,666 items
| Maximum | 900 |
| Decile 9 | 0 |
| Decile 8 | 0 |
| Decile 7 | 0 |
| Decile 6 | 0 |
| Median | 0 |
| Decile 4 | 0 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 85 distinct values.
- Mean = 0.531698
- Std.dev = 4.62881
- 19997 items above graph maximum of 1
- 23946 items have value -10 (Less than once a year)
- 1496 items have value -3 (Prefer not to answer)
- 4310 items have value -1 (Do not know)
|
Instance 1 : First repeat assessment visit (2012-13)
20,333 participants, 20,333 items
| Maximum | 150 |
| Decile 9 | 0 |
| Decile 8 | 0 |
| Decile 7 | 0 |
| Decile 6 | 0 |
| Median | 0 |
| Decile 4 | 0 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 29 distinct values.
- Mean = 0.299554
- Std.dev = 2.75446
- 508 items above graph maximum of 1
- 745 items have value -10 (Less than once a year)
- 16 items have value -3 (Prefer not to answer)
- 53 items have value -1 (Do not know)
|
Instance 2 : Imaging visit (2014+)
75,333 participants, 75,333 items
| Maximum | 300 |
| Decile 9 | 0 |
| Decile 8 | 0 |
| Decile 7 | 0 |
| Decile 6 | 0 |
| Median | 0 |
| Decile 4 | 0 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 44 distinct values.
- Mean = 0.229579
- Std.dev = 3.11397
- 1263 items above graph maximum of 1
- 2443 items have value -10 (Less than once a year)
- 109 items have value -3 (Prefer not to answer)
- 209 items have value -1 (Do not know)
|
Instance 3 : First repeat imaging visit (2019+)
6,946 participants, 6,946 items
| Maximum | 52 |
| Decile 9 | 0 |
| Decile 8 | 0 |
| Decile 7 | 0 |
| Decile 6 | 0 |
| Median | 0 |
| Decile 4 | 0 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 22 distinct values.
- Mean = 0.213156
- Std.dev = 2.19447
- 124 items above graph maximum of 1
- 220 items have value -10 (Less than once a year)
- 5 items have value -3 (Prefer not to answer)
- 17 items have value -1 (Do not know)
|
Notes
ACE touchscreen question "How many times a year would you use a solarium or sunlamp?"
The following checks were performed:
- If answer > 9999 then rejected
- If answer > 400 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.
|
Coding 100537 defines 3 special values:
- -10 represents "Less than once a year"
- -1 represents "Do not know"
- -3 represents "Prefer not to answer"
0 Related Data-Fields
There are no related data-fields
