| Change in exercise level in pregnancy: 15–20 weeks (n=1200) | |||
| Decreased (n=263 (21.9%)) | Unchanged (n=665 (55.4%)) | Increased (n=272 (22.7%)) | |
| Maternal characteristics | |||
| Maternal age, mean (SD) | 30.74 (4.13)* | 29.52 (4.58)† | 30.39 (4.25) |
| Maternal BMI at 15 weeks, mean (SD) | 25.07 (4.06) | 24.60 (4.01) | 25.20 (4.52) |
| Maternal years schooling | 13.28 (0.72) | 13.23 (0.86) | 13.22 (0.82) |
| Maternal socioeconomic status | 44.33 (15.49)* | 40.96 (16.08)† | 45.79 (16.21) |
| Maternal household income <€21 000, n (%) | 15 (5.70)* | 66 (10.03) | 18 (6.62) |
| Maternal smoking in first trimester, n (%) | 23 (8.75) | 73 (10.98)† | 13 (4.78) |
| Maternal alcohol intake in first trimester (units/week) | 4.91 (5.79) | 5.24 (6.82)† | 3.98 (5.01) |
| Birth outcomes | |||
| Gestational age (weeks), mean (SD) | 40 (1.20) | 40 (1.19) | 40 (1.14) |
| Birth weight (g), mean (SD) | 3541 (498) | 3487 (458) | 3537 (448) |
| Neonatal adiposity (%), mean (SD) | 11.44 (4.66) | 10.90 (4.02) | 11.08 (3.79) |
| Adiposity<10th centile (yes), n (%) | 22 (8.37) | 58 (8.87) | 16 (5.88) |
| Adiposity>90th centile (yes), n (%) | 41 (15.59) | 68 (10.23) | 23 (8.46) |
*Different to ‘unchanged’.
†Different to ‘increased’.
BMI, body mass index.