From: Determinants of physical activity frequency and provider advice during pregnancy
 | 3rd trimester physical activity (days/week) | |||||
---|---|---|---|---|---|---|
<1 day/week | 1-4 days/week | ≥5 days/week | <1 vs. 1–4 days/week |  | ≥5 vs. 1–4 days/week | |
Weighted % | Weighted % | Weighted % | P value γ | aORa (95%) | aORa (95%) | |
Pre-pregnancy weight status (BMI) | Â | Â | Â | 0.0001 | Â | Â |
 Underweight (<19.8) | 9.04 | 11.84 | 21.16 |  | 0.81 (0.54, 1.19) | 2.27 (1.36, 3.79) |
 Normal (BMI 19.8-26) | 51.47 | 55.89 | 49.95 |  | Reference | Reference |
 Overweight (>26-29) | 14.71 | 13.06 | 14.40 |  | 1.16 (0.79, 1.65) | 1.43 (0.78, 2.60) |
 Obese (>29) | 24.78 | 19.21 | 14.50 |  | 1.32 (0.96, 1.80) | 1.07 (0.64, 1.81) |
Pre-pregnancy physical activity | Â | Â | Â | <0.0001 | Â | Â |
  < 1 day/week | 63.59 | 17.74 | 12.40 |  | 10.79 (5.46, 21.32) | 0.10 (0.04, 0.30) |
 1-4 days/week | 32.24 | 69.35 | 20.76 |  | Reference | Reference |
  ≥ 5 days/week | 4.17 | 12.91 | 66.84 |  | 0.05 (0.02, 0.11) | 1.23 (0.65, 2.33) |