Table 1.
Characteristics of the sample of Australian young adults from the National Nutrition and Physical Activity Survey 2011–12 (n 2397)
| Characteristic | % | n |
|---|---|---|
| Sex | ||
| Male | 46·7 | 1120 |
| Female | 53·3 | 1277 |
| Age (years) | ||
| 18–24 | 32·5 | 780 |
| 25–29 | 30·7 | 736 |
| 30–34 | 36·8 | 881 |
| Socio-Economic Index for Areas (SEIFA) | ||
| Lowest 20 % | 18·8 | 451 |
| Second quintile | 20·8 | 499 |
| Third quintile | 20·4 | 490 |
| Fourth quintile | 17·5 | 419 |
| Highest 20 % | 22·4 | 538 |
| Geographical location | ||
| City | 69·0 | 1654 |
| Inner regional | 17·0 | 408 |
| Outer regional/remote | 14·0 | 335 |
| BMI (kg/m2)* | ||
| Underweight (<18·5) | 3·2 | 67 |
| Healthy weight (18·5–24·99) | 47·1 | 979 |
| Overweight (25·0–29·99) | 32·2 | 669 |
| Obese (≥30·0) | 17·5 | 365 |
| Currently smoking | ||
| Yes | 22·7 | 554 |
| No | 77·3 | 1854 |
| Consumed alcohol on the day surveyed | ||
| Yes | 26·2 | 629 |
| No | 73·8 | 1768 |
*
n 2080, 317 measurements not obtained.