TABLE 2.
Secondary outcomes in patients with and without high physical activity in pregnancy
| Outcome | Lower physical activity (n=608) Reference | Higher physical activity (n=203) | Pvalue | RR (95% CI) | aRR (95% CIa) |
|---|---|---|---|---|---|
| Duration of second stage, h | 0.97 (2.08) | 1.29 (2.94) | .15 | ||
| Duration of first stage, h | 14.4 (9.46) | 10.7 (7.30) | <.01b | ||
| Duration of active labor, h | 7.43 (6.29) | 5.77 (4.97) | <.01b | ||
| Prolonged first stage | 118 (19.4) | 20 (9.8) | <.01b | 0.51 (0.32–0.79)b | 0.55 (0.34–0.83)b |
| Prolonged second stage | 35 (5.8) | 13 (6.4) | .73 | 1.11 (0.60–2.06) | 1.19 (0.62–2.14) |
| Second-stage cesarean delivery | 13 (2.1) | 6 (3.0) | .59 | 1.38 (0.53–3.59) | 1.40 (0.49–3.51)c |
| Operative vaginal delivery | 27 (4.4) | 9 (4.4) | 1 | 1.00 (0.48–2.09) | 1.00 (0.45–2.03) |
| All perineal lacerations | 264 (43.4) | 100 (49.3) | .17 | 1.13 (0.96–1.34) | 1.11 (0.94–1.29) |
| Severe perineal laceration | 20 (3.3) | 5 (2.5) | .65 | 0.75 (0.28–1.97) | 0.68 (0.23–1.68)c |
| PPH | 24 (3.9) | 7 (3.4) | .84 | 0.87 (0.38–2.0) | 0.86 (0.34–1.88) |
Data represent number (percentage) or mean (standard deviation).
aRR, adjusted relative risk; CI, confidence interval; PPH, postpartum hemorrhage; RR, relative risk.
a
Adjusted for obesity and epidural;
b
Clinically significant;
c
Adjusted only for obesity.