Table 1.
Demographics and participant characteristics.
| Variable | Mean ± SD or Count (%) |
|---|---|
| Maternal characteristics | |
| Maternal age (years) | 33 ± 4.1 |
| Parity | |
| Primiparous | 106 (45.5%) |
| Multiparous | 127 (54.5%) |
| Marital status | |
| Married or de facto | 227 (97.4%) |
| Never married or de facto | 5 (2.1%) |
| Separated or divorced | 1 (0.4%) |
| Region | |
| Western Australia | 115 (49.4%) |
| Victoria | 60 (25.8%) |
| New South Wales | 22 (9.4%) |
| Rest of Australia | 16 (6.9%) |
| New Zealand | 20 (8.6%) |
| Education | |
| Bachelor degree or above | 176 (75.5%) |
| Certificate level IV | 13 (5.6%) |
| Certificate level I–III | 7 (3.0%) |
| Diploma | 19 (8.2%) |
| High school | 18 (7.7%) |
| Ethnicity | |
| Aboriginal or Torres Strait Islander | 3 (1.3%) |
| Australian | 176 (75.1%) |
| Other | 54 (23.6%) |
| Infant Characteristics | |
| Infant age (days) | 94 ± 57 |
| Birth gestation (weeks) | 39 ± 1.1 |
| Birth weight (g) | 3400 ± 430.2 |
| Birth length (cm) | 50.1 ± 2.3 |
SD: Standard deviation.