Table 3 Descriptive statistics for the total group of individuals.
| Â | Baseline values | Intra-individual variability | |
|---|---|---|---|
| Â | Mean (min; max) | Average individual sd | |
| Â | Women | Men | ( sd of average sd) |
Work/study time (h/week) | 36 (0; 82) | 35 (0; 98) | 11.6 (8.06) |
Physical activity (h/week) | 4 (0; 40) | 4 (0; 40) | 2.0 (2.32) |
| Â | % | % | Proportion of persons in same category all 3 years, % |
Overweight | 8 | 15 | 90 |
Breakfast regularly | 85 | 79 | 83 |
Snuff use, non-smoking | 2 | 10 | 96 |
Smoking | 6 | 5 | 94 |
High work/study demands | Â | Â | 43 |
   No too high demands | 49 | 71 |  |
   High demands, not affecting home life | 34 | 20 |  |
   High demands, affecting home life | 17 | 9 |  |
High home life demands | 3 | 6 | 88 |
Good superiors | 95 | 93 | 87 |
Good colleagues | 94 | 93 | 88 |
Computer use pattern | Â | Â | 49 |
   No 4 h periods without a break (0) | 66 | 48 |  |
   One 4 h period without a break (1) | 12 | 15 |  |
   At least two 4 h periods without a break (2) | 22 | 37 |  |
Asthma | 8 | 7 | 96 |
Perceived stress | 65 | 46 | 52 |