Table 1.
Infant and maternal characteristics, n = 455
| Characteristic | Mean (SD) or % |
|---|---|
| INFANTS | |
| Age (mo), mean (SD) | 3.6 (1.0) |
| Male (%) | 54.1 |
| zBMI, mean (SD) | −0.5 (1.1) |
| Weight-for-age percentile, mean (SD) | 44.0 (30.3) |
| Temperamental ease (%) | |
| Easier than average | 56.9 |
| Average | 36.3 |
| More difficult than average | 6.8 |
| Cared for by someone other than parents (h/week), mean (SD) | 1.0 (4.1) |
| MOTHERS | |
| Age (y), mean (SD) | 32.6 (4.2) |
| BMI before pregnancy, mean (SD) | 24.5 (5.3) |
| Education level (%) | |
| Low (completed up to final year of secondary school) | 20.4 |
| Intermediate (completed trade/certificate post-secondary school) | 24.6 |
| High (completed university degree or beyond) | 54.9 |
| Born in Australia (%) | 79.3 |
| English is main language spoken at home (%) | 95.0 |