Descriptive statistics of self-reported activity levels at 15 and 20 weeks
| Exercise level at 15 weeks (n=1200) | Exercise level at 20 weeks (n=1200) | |
| Vigorous at least once per week (yes), n (%) | 327 (27.25) | 377 (31.42) |
| Moderate at least once per week (yes), n (%) | 892 (74.33) | 908 (75.67) |
| Recreational at least once per week (yes), n (%) | 1040 (86.67) | 1057 (88.08) |
| No exercise per week, n (%) | 104 (8.67) | 100 (8.33) |