Baseline characteristics of partcipants by baseline PA level
| Characteristic | Self-reported baseline PA level | |||
| Low | Moderate | High | Overall | |
| Number, n (%) | 13 760 (40.4) | 8248 (24.2) | 12 053 (35.4) | 34 061 (100.0) |
| Male, n (%) | 5275 (38.3) | 3656 (44.3) | 5950 (49.4) | 14 881 (43.7) |
| Age, mean (SD) | 42.8 (10.8) | 41.3 (11.0) | 41.7 (11.3) | 42 (11.1) |
| Months to first PA event, mean (SD) | 17.7 (16.5) | 17.9 (16.7) | 17.5 (16.2) | 17.7 (16.4) |
| PA (min/week), mean (SD) | 62.8 (129.7) | 98 (26.0) | 282.9 (230.0) | 149.2 (188.8) |
| Sedentary (hours/day), mean (SD) | 10.5 (4.4) | 9.7 (4.1) | 9.1 (4.1) | 9.8 (4.3) |
| Kessler Stress Score, mean (SD) | 15.4 (5.3) | 14.3 (4.4) | 13.4 (3.9) | 14.4 (4.7) |
| Alcohol (drinks/week), mean (SD) | 2.3 (4.5) | 2.6 (4.1) | 2.5 (3.7) | 2.4 (4.1) |
| Fruit and vegetable (daily servings), mean (SD) | 2.6 (1.6) | 3.0 (1.6) | 3.5 (1.9) | 3.0 (1.8) |
| Sleep (hours), mean (SD) | 6.8 (1.1) | 6.9 (1.0) | 7.0 (1.0) | 6.9 (1.0) |
| Biological age differential, mean (SD) | 8.1 (4.3) | 4.6 (3.9) | 2.3 (3.4) | 5.2 (4.7) |
| Current smoker, n (%) | 486 (13.4) | 206 (10.5) | 299 (11.1) | 991 (12.0) |
PA, physical activity.