Table 2. Distribution of the analytic sample: Baseline, final and pooled across all waves (persons = 9,822; observations = 20,538).
| Characteristics | Baseline wave (2009) | Final wave (2017) | Pooled in all waves (2009, 2013 & 2017) | |||
|---|---|---|---|---|---|---|
| n | % | n | % | n | % | |
| Outcome variables | ||||||
| Type 2 diabetes | ||||||
| No | 4,946 | 91.56 | 7,082 | 90.82 | 18,688 | 90.99 |
| Yes | 456 | 8.44 | 716 | 9.18 | 1,850 | 9.01 |
| Heart disease | ||||||
| No | 4,981 | 92.21 | 7,120 | 91.31 | 18,824 | 91.65 |
| Yes | 421 | 7.79 | 678 | 8.69 | 1,714 | 8.35 |
| Asthma | ||||||
| No | 4,876 | 90.26 | 6,986 | 89.59 | 18,492 | 90.04 |
| Yes | 526 | 9.74 | 812 | 10.41 | 2,046 | 9.96 |
| Cancer | ||||||
| No | 5,096 | 94.34 | 7,339 | 94.11 | 19,372 | 94.32 |
| Yes | 306 | 5.66 | 459 | 5.89 | 1,166 | 5.68 |
| Arthritis | ||||||
| No | 3,747 | 69.36 | 5,406 | 69.33 | 14,246 | 69.36 |
| Yes | 1,655 | 30.64 | 2,392 | 30.67 | 6,292 | 30.64 |
| Depression | ||||||
| No | 4,835 | 89.5 | 6,633 | 85.06 | 17,869 | 87.00 |
| Yes | 567 | 10.5 | 1,165 | 14.94 | 2,669 | 13.00 |
| Exposure and covariates | ||||||
| BMI | ||||||
| Underweight | 83 | 1.54 | 95 | 1.22 | 289 | 1.41 |
| Healthy weight | 1,815 | 33.6 | 2,428 | 31.14 | 6,574 | 32.01 |
| Overweight | 2,133 | 39.49 | 2,942 | 37.73 | 7,902 | 38.48 |
| Obesity | 1,371 | 25.38 | 2,333 | 29.92 | 5,773 | 28.11 |
| Age | ||||||
| Middle-aged (45–59 years) | 2,877 | 53.26 | 3,713 | 47.61 | 10,304 | 50.17 |
| Older adults (≥ 60 years) | 2,525 | 46.74 | 4,085 | 52.39 | 10,234 | 49.83 |
| Gender | ||||||
| Male | 2,546 | 47.13 | 3,676 | 47.14 | 9,684 | 47.15 |
| Female | 2,856 | 52.87 | 4,122 | 52.86 | 10,854 | 52.85 |
| Civil Status | ||||||
| Partnered | 1,862 | 34.47 | 2,770 | 35.52 | 7,140 | 34.76 |
| Unpartnered | 3,540 | 65.53 | 5,028 | 64.48 | 13,398 | 65.24 |
| Education | ||||||
| Year 12 and below | 2,511 | 46.48 | 2,999 | 38.46 | 8,624 | 41.99 |
| Professional qualifications | 1,710 | 31.65 | 2,780 | 35.65 | 6,974 | 33.96 |
| University qualifications | 1,181 | 21.86 | 2,019 | 25.89 | 4,940 | 24.05 |
| Household yearly disposable income quintile | ||||||
| Quintile 1 (lowest) | 1,081 | 20.01 | 1,561 | 20.02 | 4,109 | 20.01 |
| Quintile 2 | 1,081 | 20.01 | 1,559 | 19.99 | 4,107 | 20.00 |
| Quintile 3 | 1,081 | 20.01 | 1,559 | 19.99 | 4,107 | 20.00 |
| Quintile 4 | 1,079 | 19.97 | 1,561 | 20.02 | 4,109 | 20.01 |
| Quintile 5 (highest) | 1,080 | 19.99 | 1,558 | 19.98 | 4,106 | 19.99 |
| Labour force status | ||||||
| Employed | 2,875 | 53.22 | 4,006 | 51.37 | 10,665 | 51.93 |
| Unemployed | 75 | 1.39 | 122 | 1.56 | 326 | 1.59 |
| Not in the labour force | 2,452 | 45.39 | 3,670 | 47.06 | 9,547 | 46.48 |
| Indigenous status | ||||||
| Non-Indigenous | 5,317 | 98.43 | 7,653 | 98.14 | 20,181 | 98.26 |
| Aboriginal or Torres Strait Islander | 85 | 1.57 | 145 | 1.86 | 357 | 1.74 |
| Location | ||||||
| Major city | 3,347 | 61.96 | 4,885 | 62.64 | 12,865 | 62.64 |
| Regional | 1,968 | 36.43 | 2,792 | 35.8 | 7,352 | 35.80 |
| Remote | 87 | 1.61 | 121 | 1.55 | 321 | 1.56 |
| Smoking status | ||||||
| Never smoked | 2,597 | 48.07 | 3,878 | 49.73 | 10,034 | 48.86 |
| Former smoker | 2,004 | 37.10 | 2,855 | 36.61 | 7,609 | 37.04 |
| Current smoker | 801 | 14.83 | 1,065 | 13.66 | 2,895 | 14.10 |
| Alcohol consumption | ||||||
| Never drank | 562 | 10.4 | 785 | 10.07 | 2,101 | 10.23 |
| Ex-drinker | 379 | 7.02 | 759 | 9.73 | 1,788 | 8.71 |
| Only rarely to 4 days/week | 3,203 | 59.29 | 4,650 | 59.63 | 12,210 | 59.45 |
| 4+ days/week | 1,258 | 23.29 | 1,604 | 20.57 | 4,439 | 21.61 |
| Physical activity (≥ 30 minutes) | ||||||
| Not at all to <1/week | 1,502 | 27.80 | 2,473 | 31.71 | 6,121 | 29.80 |
| 1–3 times/week | 2,009 | 37.19 | 2,832 | 36.32 | 7,493 | 36.49 |
| ≥4 times/week | 1,891 | 35.01 | 2,493 | 31.97 | 6,924 | 33.71 |