Table 1 Comparison of maternal characteristics between women from the sample at the 3rd month follow-up and women from the 2004 cohort study.
Variable | Sample % | Rest of the cohort % | p* |
|---|---|---|---|
Black/mixed ethnic origin | 28.0 | 27.0 | 0.540 |
Maternal age | 0.448 | ||
≤ 19 | 19.0 | 18.9 | |
20–34 | 68.9 | 67.3 | |
>34 | 12.1 | 13.8 | |
Single mother | 15.4 | 16.9 | 0.276 |
Parity | 0.001 | ||
0 | 43.9 | 38.1 | |
1 | 26.6 | 25.9 | |
≥ 2 | 29.5 | 36.0 | |
Pre-pregnancy body mass index (kg/m2) | 0.805 | ||
<18.5 | 5.5 | 4.8 | |
18.5 – 24.9 | 60.0 | 61.6 | |
25.0 – 29.9 | 23.4 | 23.0 | |
≥ 30 | 11.1 | 10.6 | |
Antenatal risk | 0.231 | ||
Low | 18.4 | 17.7 | |
Medium | 69.1 | 67.5 | |
High | 12.5 | 14.8 | |
Smoked during pregnancy | 25.6 | 24.9 | 0.661 |
Multiple birth | 2.3 | 1.0 | 0.018 |
Had child with neonatal problems | 7.9 | 10.0 | 0.06 |