Table 1.
The modes and self-reported intensities of physical activity at 17–22 and 27–30 weeks’ gestation among all women (n=1482). The reported values are percentages reporting any activity and medians with interquartile ranges (IQR) in hours per week (h/wk) and MET hours per week (MET h/wk).
| 17–22 weeks of gestation | 27–30 weeks of gestation | ||||
|---|---|---|---|---|---|
| Any Activity %* | Median (IQR) | Any Activity %* | Median (IQR) | p-value† | |
| All modes of activity | |||||
| Fairly light (h/wk) | 86.4 | 2.2 (0.7–5.3) | 81.8 | 2.0 (0.4–4.5) | <0.001 |
| Somewhat hard (h/wk) | 63.8 | 1.0 (0.0–3.0) | 61.9 | 0.9 (0.0–2.8) | 0.23 |
| Hard or very hard (h/wk) | 16.5 | 0.0 (0.0–0.0) | 14.7 | 0.0 (0.0–0.0) | 0.02 |
| Total (h/wk) | 96.5 | 4.7 (2.2–9.3) | 93.9 | 4.2 (1.9–8.4) | <0.001 |
| Total (MET h/wk) | 96.5 | 17.5 (8.3–34.5) | 93.9 | 15.0 (6.4–30.1) | <0.001 |
| Care-related activity | |||||
| Fairly light (h/wk) | 28.3 | 0.0 (0.0. –0.3) | 24.7 | 0.0 (0.0–0.0) | 0.01 |
| Somewhat hard (h/wk) | 15.7 | 0.0 (0.0–0.0) | 15.1 | 0.0 (0.0–0.0) | 0.13 |
| Hard or very hard (h/wk) | 3.58 | 0.0 (0.0–0.0) | 3.4 | 0.0 (0.0–0.0) | 0.20 |
| Total (h/wk) | 38.8 | 0.0 (0.0–1.5) | 36.1 | 0.0 (0.0–1.0) | <0.001 |
| Total (MET h/wk) | 38.8 | 0.0 (0.0–5.1) | 36.1 | 0.0 (0.0–3.5) | <0.001 |
| Household-related indoor activity | |||||
| Fairly light (h/wk) | 57.0 | 0.3 (0.0–1.3) | 57.4 | 0.3 (0.0–1.2) | 0.11 |
| Somewhat hard (h/wk) | 21.0 | 0.0 (0.0–0.0) | 24.1 | 0.0 (0.0–0.0) | 0.17 |
| Hard or very hard (h/wk) | 4.0 | 0.0 (0.0–0.0) | 4.1 | 0.0 (0.0–0.0) | 0.07 |
| Total (h/wk) | 65.5 | 0.5 (0.0–2.0) | 67.5 | 0.6 (0.0–2.0) | 0.42 |
| Total (MET h/wk) | 65.5 | 1.8 (0.0–5.6) | 67.5 | 1.8 (0.0–5.3) | 0.31 |
| Household-related outdoor activity | |||||
| Fairly light (h/wk) | 13.5 | 0.0 (0.0–0.0) | 10.2 | 0.0 (0.0–0.0) | 0.003 |
| Somewhat hard (h/wk) | 5.1 | 0.0 (0.0–0.0) | 6.3 | 0.0 (0.0–0.0) | 0.77 |
| Hard or very hard (h/wk) | 1.3 | 0.0 (0.0–0.0) | 1.1 | 0.0 (0.0–0.0) | 0.53 |
| Total (h/wk) | 18.1 | 0.0 (0.0–0.0) | 15.9 | 0.0 (0.0–0.0) | 0.05 |
| Total (MET h/wk) | 18.1 | 0.0 (0.0–0.0) | 15.9 | 0.0 (0.0–0.0) | 0.03 |
| Recreational activity | |||||
| Fairly light (h/wk) | 37.9 | 0.0 (0.0–1.0) | 33.9 | 0.0 (0.0–1.0) | 0.83 |
| Somewhat hard (h/wk) | 37.8 | 0.0 (0.0–1.3) | 33.1 | 0.0 (0.0–1.0) | 0.03 |
| Hard or very hard (h/wk) | 8.6 | 0.0 (0.0–0.0) | 6.8 | 0.0 (0.0–0.0) | 0.01 |
| Total (h/wk) | 67.8 | 1.0 (0.0–2.8) | 60.7 | 1.0 (0.0–1.0) | 0.01 |
| Total (MET h/wk) | 67.8 | 4.5 (0.0–11.2) | 60.7 | 3.7 (0.0–9.6) | <0.001 |
| Transportation activity | |||||
| Fairly light (h/wk) | 12.4 | 0.0 (0.0–0.0) | 10.6 | 0.0 (0.0–0.0) | 0.45 |
| Somewhat hard (h/wk) | 7.2 | 0.0 (0.0–0.0) | 7.0 | 0.0 (0.0–0.0) | 0.67 |
| Hard or very hard (h/wk) | 1.6 | 0.0 (0.0–0.0) | 2.0 | 0.0 (0.0–0.0) | 0.69 |
| Total (h/wk) | 21.1 | 0.0 (0.0–0.0) | 19.4 | 0.0 (0.0–0.0) | 0.67 |
| Total (MET h/wk) | 21.1 | 0.0 (0.0–0.0) | 19.4 | 0.0 (0.0–0.0) | 0.67 |
| Occupational activity | |||||
| Fairly light (h/wk) | 24.6 | 0.0 (0.0–0.0) | 20.5 | 0.0 (0.0–0.0) | 0.19 |
| Somewhat hard (h/wk) | 10.9 | 0.0 (0.0–0.0) | 11.7 | 0.0 (0.0–0.0) | 0.75 |
| Hard or very hard (h/wk) | 1.2 | 0.0 (0.0–0.0) | 1.3 | 0.0 (0.0–0.0) | 0.35 |
| Total (h/wk) | 31.9 | 0.0 (0.0–0.3) | 30.2 | 0.0 (0.0–0.3) | 0.16 |
| Total (MET h/wk) | 31.9 | 0.0 (0.0–1.4) | 30.2 | 0.0 (0.0–1.1) | 0.05 |
*
Percentage of participants that reported any physical activity in each mode and perceived intensity category.
†
P-value for the mean difference between 17–22 weeks and 27–30 weeks of gestation (GEE model).