Table 1.
Characteristics of the study sample.
| Total population (n = 111) |
||
|---|---|---|
| Age, years, mean (SD) | 29.6 | (3.8) |
| Ethnicity, N (%) | ||
| White European | 95 | 86% |
| Non-White | 16 | 14% |
| Nulliparous, N (%) | 81 | 73% |
| BMI at 15 wks (kg/m2), mean (SD) | 27.0 | (5.5) |
| BMI category at 15 weeks, N (%) | ||
| Normal weight | 54 | 49% |
| Overweight | 25 | 22% |
| Obese | 32 | 29% |
| Gestational age at birth, weeks, mean (SD) | 40.2 | (1.2) |
| Gestational weight gain, kg, mean (SD) | 10.3 | (4.2) |
| Gestational weight gain per week, kg, mean (SD) | 0.55 | (0.22) |
| Birth weight, g, mean (SD) | 3541 | (429) |
| Total PA at 15 wks, mins/day, mean (SD) | 286 | (103) |
| % of registration time | 35% | |
| Total PA at 32–35 wks, mins/day, mean (SD) | 273 | (103) |
| % of registration time | 35% | |
| MVPA at 15 wks, min/day, mean (SD) | 24 | (16) |
| % of registration time | 3% | |
| MVPA at 32–35 wks, min/day, mean (SD) | 18 | (22) |
| % of registration time | 2% | |
| Sedentary behaviour at 15 wks, min/day, mean (SD) | 530 | (170) |
| % of registration time | 65% | |
| Sedentary behaviour at 32–35 wks, min/day, mean (SD) | 505 | (173) |
| % of registration time | 65% | |
MVPA: moderate to vigorous physical activity; PA: physical activity; SD: standard deviation.