TABLE 1.
Maternal demographics in patients with and without high physical activity in pregnancy
| Maternal demographics | Lower physical activity (n=608) Reference | Higher physical activity (n=203) | Pvalue |
|---|---|---|---|
| Maternal age, y | 28.16 (5.41) | 29.93 (4.76) | <.01a |
| Advanced maternal age | 56 (9.2) | 22 (10.8) | .59 |
| Race | <.01a | ||
| African American | 327 (53.8) | 56 (27.6) | |
| White | 252 (41.4) | 139 (68.5) | |
| Other | 29 (4.8) | 8 (3.9) | |
| BMI (kg/m2) | 29.64 (8.74) | 26.81 (6.38) | <.01a |
| Obesity | 243 (40.0) | 48 (23.6) | <.01a |
| GA weeks at delivery (wk) | 38.49 (1.65) | 38.82 (1.51) | .01a |
| Preterm birth | 61 (10.0) | 16 (7.9) | .44 |
| Nulliparity | 257 (42.3) | 87 (42.9) | .95 |
| Chronic hypertension | 64 (10.5) | 11 (5.4) | .07 |
| Gestational hypertension | 86 (14.1) | 16 (7.9) | .05a |
| Preeclampsia | 77 (12.7) | 10 (4.9) | <.01a |
| Pregestational diabetes | 17 (2.8) | 3 (1.5) | .49 |
| Gestational diabetes | 32 (5.3) | 11 (5.4) | .71 |
| Tobacco use | 66 (10.9) | 8 (3.9) | .01a |
| Illicit drug use | 97 (16.0) | 14 (6.9) | .01a |
| Alcohol | 29 (4.8) | 11 (5.4) | .93 |
| Induction of labor | 281 (46.2) | 81 (39.9) | .14 |
| Oxytocin | 401 (66.0) | 108 (53.2) | <.01a |
| Duration of active labor, h | 7.43 (6.29) | 5.77 (4.97) | <.01a |
| Duration of second stage, h | 0.97 (2.08) | 1.29 (2.94) | .15 |
| Cesarean delivery | 180 (29.6) | 61 (30.0) | .93 |
| Weight gain, lb | 23.1 (31.85) | 25.90 (23.83) | .25 |
| Birthweight, g | 3,197.1 (589.4) | 3,321.7 (526.5) | .01a |
| Birthweight >4000 g, % | 37 (6.1) | 14 (6.9) | .81 |
| Parity | 1.01 (1.24) | 1.02 (1.35) | .924 |
| Epidural | 501 (82.4) | 153 (75.4) | .04a |
Data represent number (percentage) or mean (standard deviation).
GA, gestational age.
a
Clinically significant.