Table 1 Demographic characteristics of the study population, weighted (N = 8820)
| Â | n | % | Jack-knife standard error |
|---|---|---|---|
Sex | |||
 Male | 4018 | 49.7 | 0.01 |
 Female | 4802 | 50.4 | 0.01 |
Age | |||
 Mean of age (yr.) | 44 | 0.04 | |
 16-25 years. | 1551 | 17.4 | 0.3 |
 26-35 years. | 1386 | 18.0 | 0.3 |
 36-45 years. | 1586 | 19.0 | 0.4 |
 46-55 years. | 1247 | 17.5 | 0.3 |
 56-65 years. | 1293 | 14.2 | 0.2 |
 66-75 years. | 1069 | 8.7 | 0.2 |
 76-85 years. | 688 | 5.2 | 0.1 |
BMI (kg/m2) | |||
 Thinness (BMI < 18.5) | 254 | 2.7 | 0.2 |
 Normal (BMI 18.5–24.99) | 3701 | 42.1 | 0.8 |
 Overweight (BMI 25.00–29.99) | 2965 | 34.7 | 0.7 |
 Obesity (BMI >30.00) | 1724 | 20.5 | 0.6 |
Educational attainment | |||
 Has post-school qualification | 4914 | 54.8 | 0.5 |
 No post-school qualification | 3906 | 45.2 | 0.5 |
Labour force | |||
 Employed | 5491 | 65.2 | 0.2 |
 Unemployed | 215 | 2.6 | 0.1 |
 Not in the labour force | 3114 | 32.2 | 0.2 |
Level of exercise | |||
 High | 597 | 7.1 | 0.4 |
 Moderate | 1754 | 20.2 | 0.7 |
 Low | 6463 | 72.7 | 0.9 |
Registered marital status | |||
 Unmarried | 3996 | 47.0 | 0.7 |
 Married | 4824 | 53.0 | 0.7 |
Smoking status | |||
 Current smoker | 1875 | 22.3 | 0.7 |
 Ex-smoker | 2513 | 26.9 | 0.7 |
 Never smoked | 4432 | 50.8 | 0.7 |
Index of Socio-Economic Disadvantage - Area deciles | |||
 1st decile (lowest) | 735 | 8.1 | 0.6 |
 2nd decile | 789 | 8.6 | 0.8 |
 3rd decile | 975 | 10.4 | 0.8 |
 4th decile | 777 | 8.1 | 0.8 |
 5th decile | 897 | 9.7 | 0.8 |
 6th decile | 890 | 10.3 | 0.9 |
 7th decile | 862 | 10.0 | 1.0 |
 8th decile | 989 | 11.8 | 1.0 |
 9th decile | 896 | 11.0 | 0.8 |
 10th decile (best) | 1010 | 12.0 | 0.9 |
Number of health conditions | |||
 0 | 3556 | 43.3 | 0.8 |
 1 | 2725 | 30.7 | 0.8 |
 2 | 1501 | 15.8 | 0.5 |
 3 | 697 | 6.8 | 0.3 |
 4 | 239 | 2.5 | 0.3 |
 5 | 79 | 0.6 | 0.08 |
 6 | 20 | 0.2 | 0.06 |
 7 | 3 | 0.02 | 0.01 |