Table 1.
Characteristics of children according to their weight status in the imputed sample (n = 7553).
| Thin 6% (n = 416) |
Healthy 75% (n = 5659) |
Overweight 15% (n = 1100) |
Obese 5% (n = 358) |
|
|---|---|---|---|---|
| Maternal age (years)a | 29.6 ± 0.26 | 29.5 ± 0.07 | 29.6 ± 0.17 | 29.5 ± 0.3 |
| Maternal smoking during pregnancyb | 14% | 16% | 18% | 24% |
| High blood pressure during pregnancyb | 8% | 8% | 9% | 10% |
| Diabetes during pregnancyb | 3% | 3% | 3% | 5% |
| Twinsb | 2% | 2% | 1% | 1% |
| School cardb | 22% | 18% | 20% | 28% |
| SEIFAb | ||||
| Quintile 1 | 19% | 17% | 21% | 22% |
| 2 | 20% | 21% | 21% | 24% |
| 3 | 18% | 21% | 25% | 22% |
| 4 | 23% | 21% | 16% | 17% |
| Quintile 5 | 20% | 20% | 17% | 15% |
| Lives in a remote areab | 4% | 4% | 5% | 2% |
| Maleb | 50% | 53% | 46% | 51% |
| Child is Aboriginal or Torres Strait Islanderb | 3% | 2% | 2% | 3% |
| Gestational age at birth (wk)a | 38.9 ± 0.11 | 39.0 ± 0.02 | 39.2 ± 0.47 | 39.1 ± 0.08 |
| Birth weight (z-score)a | −0.49 ± 0.05 | −0.19 ± 0.01 | 0.31 ± 0.03 | 0.39 ± 0.06 |
| No employed parent in householdb | 3% | 2% | 3% | 2% |
| No parent completed year 12b | 20% | 21% | 22% | 31% |
Percentages may not sum to 100% due to rounding.
a
values are mean ± SE.
b
values are%.
SEIFA: socio-economic indexes for areas.