Table 4.
Comparison of secondary outcomes
| Intervention | Usual care | Intervention–usual care | ||||||
| Baseline | 38 weeks | Change | Baseline | 38 weeks | Change | Adjusted mean 38 weeks (95% CI)* | P value | |
| Mean (SD) n | Mean (SD) n | Mean (SD) n | Mean (SD) n | Mean (SD) n | Mean (SD) n | |||
| Weight (kg)† | 71.21 (13.62) 305 | 81.49 (14.35) 305 | 10.28 (5.87) 305 | 71.06 (13.19) 311 | 81.79 (14.35) 311 | 10.73 (6.88) 311 | −0.42 (−1.49 to 0.64) | 0.43 |
| HADS: Anxiety |
4.88 (3.50) 313 | 5.18 (3.09) 136 | 0.45 (2.82) 136 | 5.15 (3.28) 318 | 5.89 (3.58) 133 | 0.82 (3.33) 132 | −0.58 (−1.25 to 0.08) | 0.08 |
| HADS: Depression |
3.29 (2.90) 313 | 3.93 (3.04) 136 | 0.75 (2.83) 136 | 3.49 (3.34) 318 | 4.56 (3.04) 133 | 1.29 (3.20) 132 | −0.60 (−1.24 to 0.05) | 0.07 |
| Total physical activity (MET/hours/week) | 283.68 (144.52) 313 | 246.63 (104.97) 136 | −35.02 (115.94) 136 | 278.91 (158.50) 317 | 240.65 (115.26) 132 | −23.43 (117.05) 131 | −4.30 (−26.94 to 18.34) | 0.71 |
*Adjusted by baseline value, site, BMI category and midwife (random effect).
†Includes objective and self-reported weights; missing weights imputed using multiple imputation; pooled estimates.
HADS, Hospital Anxiety and Depression Scale; SD, standard deviation.