Data
587,934 items of data are available, covering 501,529 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 days/week.
| Maximum | 7 |
| Decile 9 | 5 |
| Decile 8 | 3 |
| Decile 7 | 3 |
| Decile 6 | 2 |
| Median | 1 |
| Decile 4 | 1 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 8 distinct values.
- Mean = 1.85763
- Std.dev = 1.95159
- 4320 items have value -3 (Prefer not to answer)
- 24255 items have value -1 (Do not know)
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
501,509 participants, 501,509 items
| Maximum | 7 |
| Decile 9 | 5 |
| Decile 8 | 3 |
| Decile 7 | 3 |
| Decile 6 | 2 |
| Median | 1 |
| Decile 4 | 1 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 8 distinct values.
- Mean = 1.8387
- Std.dev = 1.95925
- 4114 items have value -3 (Prefer not to answer)
- 22581 items have value -1 (Do not know)
|
Instance 1 : First repeat assessment visit (2012-13)
20,334 participants, 20,334 items
| Maximum | 7 |
| Decile 9 | 5 |
| Decile 8 | 3 |
| Decile 7 | 3 |
| Decile 6 | 2 |
| Median | 1 |
| Decile 4 | 1 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 8 distinct values.
- Mean = 1.8241
- Std.dev = 1.8624
- 49 items have value -3 (Prefer not to answer)
- 404 items have value -1 (Do not know)
|
Instance 2 : Imaging visit (2014+)
60,817 participants, 60,817 items
| Maximum | 7 |
| Decile 9 | 5 |
| Decile 8 | 3 |
| Decile 7 | 3 |
| Decile 6 | 2 |
| Median | 2 |
| Decile 4 | 1 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 8 distinct values.
- Mean = 2.00168
- Std.dev = 1.91382
- 150 items have value -3 (Prefer not to answer)
- 1185 items have value -1 (Do not know)
|
Instance 3 : First repeat imaging visit (2019+)
5,274 participants, 5,274 items
| Maximum | 7 |
| Decile 9 | 5 |
| Decile 8 | 4 |
| Decile 7 | 3 |
| Decile 6 | 2 |
| Median | 2 |
| Decile 4 | 1 |
| Decile 3 | 0 |
| Decile 2 | 0 |
| Decile 1 | 0 |
| Minimum | 0 |
|
|
- There are 8 distinct values.
- Mean = 2.06735
- Std.dev = 1.92935
- 7 items have value -3 (Prefer not to answer)
- 85 items have value -1 (Do not know)
|
Notes
ACE touchscreen question "In a typical WEEK, how many days did you do 10 minutes or more of vigorous physical activity? (These are activities that make you sweat or breathe hard such as fast cycling, aerobics, heavy lifting)"
The following checks were performed:
- If answer < 0 then rejected
- If answer > 7 then rejected
If the participant activated the Help button they were shown the message:
Count the number of days in a week that you do vigorous physical activities for
at least 10 minutes continuously at a time. Remember to include activities that
you do for work, leisure, travel and around the house.
|
Coding 100291 defines 2 special values:
- -1 represents "Do not know"
- -3 represents "Prefer not to answer"
