Table 2 Newborn birth weight and offspring characteristics in the exercise and control groups (mean (SD) and N (%)), analyzed by intention to treat (ITT), per protocol (≥ 80% of exercise sessions) and analyses of 100% exercise adherence (24 exercise sessions)
From: Exercise in pregnant women and birth weight: a randomized controlled trial
ITT | Per Protocol | 100% exercise adherence | |||||||
|---|---|---|---|---|---|---|---|---|---|
EG (n = 52) | CG (n = 53) | p-value | EG (n = 21) | CG (n = 53) | p-value | EG (n = 14) | CG (n = 53) | p-value | |
Birth weight (g) | 3477 (424) | 3542 (464) | 0.4 | 3451 (450) | 3542(464) | 0.4 | 3310 (463) | 3542 (464) | 0.1 |
< 2500 (g) | 1 (1.9) | 1 (1.9) | 0 (0) | 1 (1.9) | 0 (0) | 1 (1.9) | |||
2500 to < 4000 (g) | 46 (88.5) | 43 (81.1) | 18 (85.7) | 43 (81.1) | 13 (92.9) | 43 (81.1) | |||
≥ 4000 (g) | 5 (9.6) | 9 (17.0) | 0.5 | 3 (14.3) | 9 (17.0) | 0.7 | 1 (7.1) | 9 (17.0) | 0.6 |
Birth lenght (cm) | 50.2 (2.0) | 50.8 (1.9) | 0.1 | 49.8 (1.7) | 50.8 (1.9) | 0.04 | 49.5 (1.7) | 50.8 (1.9) | 0.03 |
Head circumference (cm) | 34.9 (1.4) | 35.1 (1.6) | 0.5 | 34.7 (1.4) | 35.1 (1.6) | 0.3 | 34.4 (1.7) | 35.1 (1.6) | 0.2 |
Gestational age | 39.9 (1.2) | 39.6 (1.2) | 0.2 | 39.7 (1.0) | 39.6 (1.2) | 0.8 | 39.6 (1.1) | 39.6 (1.2) | 0.9 |
Apgar score 1 min | 8.8 (0.8) | 8.6 (1.2) | 0.3 | 9.1 (0.3) | 8.6 (1.2) | 0.02 | 9.1 (0.4) | 8.6 (1.2) | 0.02 |
Apgar score 5 min | 9.6 (0.6) | 9.4 (0.8) | 0.4 | 9.6 (0.6) | 9.4 (0.8) | 0.2 | 9.7 (0.6) | 9.4 (0.8) | 0.2 |
Gender | |||||||||
- Boys | 24 (46.2) | 27 (50.9) | 11 (52.4) | 27 (50.9) | 6 (42.9) | 27 (50.9) | |||
- Girls | 28 (53.8) | 26 (49.1) | 0.6 | 10 (47.6) | 26 (49.1) | 0.8 | 8 (57.1) | 26 (49.1) | 0.9 |