Table 2.
Characteristics of the WATCH mother-child pairs included in the analysis (n = 73).
| Characteristics | Median (IQR) | Range |
|---|---|---|
| Mother | ||
| Maternal age (y) | 30(8) | 18–41 |
| Education | n | % |
| No formal qualification | 1 | 1.4 |
| Year 10 or equivalent | 13 | 18 |
| Year 12 or equivalent | 13 | 18 |
| Trade/apprenticeship | 3 | 4.2 |
| Certificate/diploma | 12 | 17 |
| University degree | 23 | 32 |
| Higher university degree | 6 | 8.5 |
| Missing | 2 | |
| Income | n | % |
| No income | 7 | 9.7 |
| $1–299 | 26 | 36 |
| 300–699 | 25 | 35 |
| 700–999 | 11 | 15 |
| Unsure | 3 | 4.2 |
| Missing | 1 | |
| Marital status | n | % |
| Never married | 23 | 32 |
| Married | 46 | 64 |
| Divorced | 2 | 2.8 |
| Widowed | 1 | 1.4 |
| Missing | 1 | |
| Maternal smoking | n | % |
| Yes | 7 | 10 |
| No | 62 | 90 |
| Missing | 4 | |
| Live births (37 weeks’ gestation) | n | % |
| None | 1 | 1.6 |
| 1–2 | 46 | 75 |
| 3–4 | 14 | 23.1 |
| 5 | 1 | 1.6 |
| Missing | 11 | |
| Live preterm births (≤36 weeks’ gestation) | n | % |
| None | 39 | 53.4 |
| 1 | 6 | 8.2 |
| 2 | 1 | 1.4 |
| Missing | 27 | |
| Child | ||
| Gender | n | % |
| Male | 32 | 44 |
| Female | 41 | 56 |
| Median (IQR) | Range | |
| Birth weight (g) | 3560 (690) | 1960–5080 |
| Birth length (cm) | 51 (4) | 48–57.5 |
| Head circumference (cm) | 35 (2) | 31–39.5 |
IQR, interquartile range.