Descriptive statistics in those with changing levels of physical activity during pregnancy
| Change in exercise level in pregnancy to 15 weeks (n=1200) | |||
| Decreased (n=813 (67.8%)) | Unchanged (n=346 (28.8%)) | Increased (n=41 (3.4%)) | |
| Maternal characteristics | |||
| Maternal age, mean (SD) | 30.51 (4.17)* | 28.89 (4.74) | 28.88 (5.19) |
| Maternal BMI at 15 weeks, mean (SD) | 25.02 (4.12) | 24.49 (4.21) | 24.18 (3.85) |
| Maternal years schooling, mean (SD) | 13.27 (0.83) | 13.18 (0.81) | 13.15 (0.73) |
| Maternal socioeconomic status, mean (SD) | 44.33 (16.15)* | 39.10 (15.40) | 43.51 (16.35) |
| Maternal household income <€21 000, n (%) | 47 (5.80)*† | 45 (13.16) | 7 (17.07) |
| Maternal smoking in first trimester, n (%) | 49 (6.03)* | 55 (15.90) | 5 (12.20) |
| Maternal alcohol intake in first trimester (units/week) | 4.61 (5.76) | 5.39 (6.97) | 5.99 (8.10) |
| Birth outcomes | |||
| Gestational age (weeks), mean (SD) | 40 (1.16) | 40 (1.24) | 40 (1.00) |
| Birth weight (g), mean (SD) | 3525 (460) | 3471 (478) | 3541 (449) |
| Neonatal adiposity (%), mean (SD) | 11.06 (4.15) | 11.03 (4.06) | 11.22 (4.13) |
| Adiposity <10th centile (yes), n (%) | 68 (8.36) | 26 (7.51) | 3 (7.32) |
| Adiposity >90th centile (yes), n (%) | 86 (10.58) | 39 (11.27) | 7 (17.07) |