Table 1.
Participant characteristics over time
(Numbers and percentages)
| 2003 (n 9081) | 2009 (n 8199) | |||
|---|---|---|---|---|
| n | % | n | % | |
| Education level | ||||
| No qualification | 89 | 1 | 54 | 1 |
| High school | 2208 | 25 | 1438 | 18 |
| Trade/certificate | 2158 | 24 | 2040 | 26 |
| University degree | 4372 | 50 | 4565 | 56 |
| Total | 8827 | 8097 | ||
| Marital status | ||||
| Partnered | 5549 | 61 | 6320 | 77 |
| Unpartnered | 3496 | 39 | 1849 | 23 |
| Total | 9045 | 8169 | ||
| Smoking status | ||||
| Never smoked | 5171 | 57 | 4882 | 60 |
| Ex-smoker | 1674 | 19 | 2105 | 26 |
| Smokes <10 d | 1102 | 12 | 548 | 7 |
| Smokes 10–19 d | 713 | 8 | 406 | 5 |
| Smokes > 20 d | 388 | 4 | 240 | 3 |
| Total | 9048 | 8181 | ||
| Alcohol status | ||||
| Non-drinker | 731 | 8 | 990 | 12 |
| Low-risk drinker | 5522 | 61 | 4838 | 59 |
| Rarely drinks | 2462 | 27 | 1977 | 24 |
| Risky drinker | 280 | 3 | 287 | 4 |
| High-risk drinker | 49 | 1 | 74 | 1 |
| Total | 9044 | 8166 | ||
| BMI | ||||
| Underweight | 363 | 4 | 209 | 3 |
| Normal weight | 4732 | 58 | 4178 | 52 |
| Overweight | 1792 | 22 | 2053 | 25 |
| Obese | 1217 | 15 | 1614 | 20 |
| Total | 8104 | 8054 | ||
| Diagnosed depression | ||||
| Yes | 1125 | 13 | 1339 | 18 |
| No | 7810 | 87 | 6229 | 82 |
| Total | 8935 | 7568 | ||
| Diagnosed anxiety | ||||
| Yes | 545 | 6 | 753 | 10 |
| No | 8390 | 94 | 6815 | 90 |
| Total | 8935 | 7568 | ||
| Mean | sd | Mean | sd | |
| Age (years) | 27·6 | 1·5 | 33·7 | 1·5 |
| CESD-10 | 7·0 | 5·3 | 6·4 | 5·2 |
| SF36 SF | 80·2 | 22·5 | 82·7 | 22·2 |
| ARFS | 29·2 | 9·3 | 33·2 | 9·3 |
CESD-10, centre for epidemiological studies depression score; SF36 SF, medical outcomes short-form – social function score; ARFS, Australian recommended food score.