Table 1.
Characteristics of participants retained in follow-up phase
| Characteristic | Total sample (n = 361) |
Control (n = 182) |
Intervention (n = 179) |
|---|---|---|---|
| M (SD) | M (SD) | M (SD) | |
| Child sex, female (%) | 46.0 | 44.0 | 48.0 |
| Child age at first follow-up (y) | 3.6 (0.2) | 3.6 (0.2) | 3.6 (0.2) |
| Child age at second follow-up (y) | 5.1 (0.1) | 5.0 (0.1) | 5.1 (0.1) |
| Birthweight (g) | 3362.0 (595.6) | 3368.2 (622.3) | 3355.8 (569.3) |
| Main carera age at first follow-up (y) | 35.7 (4.3) | 35.6 (4.3) | 35.8 (4.3) |
| Main carer highest level of education at baseline (child age 4 m) (%) | |||
| Some high school | 18.3 | 17.0 | 19.6 |
| Completed high school / trade / certificate | 21.6 | 18.7 | 24.6 |
| University | 60.1 | 64.3 | 55.9 |
| Main carer employed at first follow-up (%) | 50.8 | 52.4 | 49.3 |
| Main carer born in Australia (%) | 80.3 | 79.7 | 81.0 |
| English main language spoken at home (%) | 93.9 | 93.4 | 94.4 |
aAll main carers were mothers apart from one father