Demographic characteristics for children and mothers who participated in follow-up data collection when the children were 3.5 years old
| Child characteristics | ||
| Sex | n | % |
| Boys | 125 | 50 |
| Girls | 126 | 50 |
| Mean | SD | |
| Age (years) | 3.6 | 0.19 |
| Weight (kg) | 16.6 | 2.0 |
| Height (cm) | 100.7 | 4.03 |
| Body mass index z-score* | 0.88 | |
| Mothers’ characteristics | n | % |
| Employment status | ||
| On maternity leave | 178 | 71 |
| Employed full time | 3 | 1 |
| Employed part time | 19 | 8 |
| Unemployed | 8 | 3 |
| Student | 2 | 1 |
| Home duties | 36 | 14 |
| Other | 5 | 2 |
| Highest level of education | ||
| Trade or high school | 93 | 37 |
| Bachelor degree or higher | 158 | 63 |
| Marital status | ||
| Partner | 249 | 99 |
| Separated | 1 | 0.5 |
| Single parent | 1 | 0.5 |
| Country of birth | ||
| Australia | 208 | 83 |
| Other | 43 | 17 |
| Main language at home | ||
| English | 240 | 96 |
| Other | 11 | 4 |
*Body mass index z-scores were calculated by using WHO gender-specific body mass index-for-age growth charts.22