Data
639,404 items of data are available, covering 498,484 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 89 distinct values.
 
- Mean = 0.460647
 
- Std.dev = 4.32539
 
- 22255 items above graph maximum of 1
 
- 28462 items have value -10 (Less than once a year)
 
- 1689 items have value -3 (Prefer not to answer)
 
- 4707 items have value -1 (Do not know)
 
  | 
 
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
497,253 participants, 497,253 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 = 0.531892
 
- Std.dev = 4.6305
 
- 19983 items above graph maximum of 1
 
- 23933 items have value -10 (Less than once a year)
 
- 1495 items have value -3 (Prefer not to answer)
 
- 4307 items have value -1 (Do not know)
 
  | 
Instance 1 : First repeat assessment visit (2012-13)
20,314 participants, 20,314 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 = 0.299831
 
- Std.dev = 2.75571
 
- 508 items above graph maximum of 1
 
- 744 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+)
100,917 participants, 100,917 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 46 distinct values.
 
- Mean = 0.196617
 
- Std.dev = 2.87255
 
- 1459 items above graph maximum of 1
 
- 3145 items have value -10 (Less than once a year)
 
- 157 items have value -3 (Prefer not to answer)
 
- 294 items have value -1 (Do not know)
 
  | 
Instance 3 : First repeat imaging visit (2019+)
20,920 participants, 20,920 items
| Maximum | 365 |  
| 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 = 0.239087
 
- Std.dev = 4.0065
 
- 305 items above graph maximum of 1
 
- 640 items have value -10 (Less than once a year)
 
- 21 items have value -3 (Prefer not to answer)
 
- 53 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