Table 1.
Baseline subject characteristics
| Control | iPA | iSED | |
|---|---|---|---|
| Age, mean years (SD) | 45 (7) | 41 (9) | 42 (8) |
| Sex, % male | 23 | 23 | 29 |
| Education, mean years (SD) | 15 (2) | 15 (2) | 15 (2) |
| Body mass index, kg/m2, mean (SD) | 27 (5) | 25 (4) | 24 (4) |
| Time in bed, minutes (%) | 464 (33) | 460 (32) | 461 (32) |
| Sedentary, minutes (%) | 763 (53) | 764 (53) | 767 (53) |
| Light physical activity, minutes (%) | 107 (7) | 109 (8) | 107 (7) |
| Moderate physical activity, minutes (%) | 98 (7) | 98 (7) | 95 (7) |
| Vigorous physical activity, minutes (%) | 9 (1) | 10 (1) | 11 (1) |
| VO2max | 35 (7) | 37 (7) | 39 (7)a |
| N | 52 | 56 | 31 |
SD standard deviation, iPA intervention group to increase moderate-to-vigorous physical activity, iSED intervention group to reduce sedentary behavior
a a significant difference from the control group