Table 1.
Characteristics of participating children and their mothers, by child’s sex, Southampton Women’s Survey, Hampshire, UK, 2007–2014
| Boys | Girls | Total | |||||||
|---|---|---|---|---|---|---|---|---|---|
| n | Mean | sd | n | Mean | sd | n | Mean | sd | |
| Child | |||||||||
| Age (years) | 590 | 6·7 | 0·3 | 583 | 6·7 | 0·3 | 1173 | 6·7 | 0·3 |
| Height (cm) | 583 | 121·0 | 5·1 | 576 | 120·2 | 5·4 | 1159 | 120·6 | 5·3 |
| Diet score | 590 | −0·09 | 1·1 | 583 | −0·04 | 1·0 | 1173 | −0·07 | 1·0 |
| n | Median | IQR | n | Median | IQR | n | Median | IQR | |
| Mothers | |||||||||
| Pre-pregnancy BMI (kg/m2) | 582 | 24·5 | 22·1–27·6 | 579 | 24·0 | 21·8–27·2 | 1161 | 24·3 | 21·9–27·5 |
| n | % | n | % | n | % | ||||
| Smoked in pregnancy | 557 | 566 | 1123 | ||||||
| Yes | 73 | 13 | 86 | 15 | 159 | 14 | |||
| No | 484 | 87 | 480 | 85 | 964 | 86 | |||
| Educational attainment | 587 | 582 | 1169 | ||||||
| Low (≤GCSE/age 16 years) | 234 | 40 | 232 | 40 | 466 | 40 | |||
| Mid | 217 | 37 | 222 | 38 | 439 | 38 | |||
| High (degree) | 136 | 23 | 128 | 22 | 264 | 23 | |||
| Neighbourhood deprivation | 590 | 583 | 1173 | ||||||
| Least deprived | 97 | 16 | 98 | 17 | 195 | 17 | |||
| 2 | 161 | 27 | 148 | 25 | 309 | 26 | |||
| 3 | 141 | 24 | 110 | 19 | 251 | 21 | |||
| 4 | 125 | 21 | 143 | 25 | 268 | 23 | |||
| Most deprived | 66 | 11 | 84 | 14 | 150 | 13 | |||
IQR, interquartile range; GCSE, General Certificate of Secondary Education.