Parameter | Proportion of population | Current smokers | 12-month mental illness | |||
---|---|---|---|---|---|---|
 | Percent | 95% CI | Percent | 95% CI | Percent | 95% CI |
Quintiles of household income— |  |  |  |  |  |  |
  Lowest quintile | 16.8 | 15.7 - 17.8 | 24.4 | 22.0 - 26.8 | 23.6 | 20.9 - 26.3 |
  Second quintile | 17.0 | 15.7 - 18.3 | 23.1 | 19.5 - 26.7 | 20.0 | 17.0 - 23.1 |
  Third quintile | 17.0 | 15.8 - 18.2 | 21.9 | 18.5 - 25.3 | 21.3 | 18.0 - 24.5 |
  Fourth quintile | 16.8 | 15.7 - 18.0 | 22.2 | 19.5 - 25.0 | 17.7 | 14.4 - 20.9 |
  Highest quintile | 17.0 | 15.9 - 18.1 | 18.4 | 15.4 - 21.4 | 17.9 | 14.9 - 20.9 |
  Not stated | 15.4 | 14.2 - 16.6 | 23.7 | 19.3 - 28.2 | 19.3 | 15.8 - 22.8 |
 |  |  | χ2 = 8.19, p = 0.15 | χ2 = 23.2, p = 0.010 | ||
Quintiles of relative socioeconomic disadvantage— |  |  |  |  |  |  |
  Lowest quintile | 16.7 | 14.6 - 18.8 | 29.6 | 26.1 - 33.1 | 21.4 | 18.4 - 24.4 |
  Second quintile | 18.5 | 16.1 - 20.9 | 26.8 | 23.8 - 29.9 | 20.9 | 18.5 - 23.2 |
  Third quintile | 20.0 | 17.7 - 22.3 | 21.8 | 19.1 - 24.5 | 21.3 | 18.0 - 24.7 |
  Fourth quintile | 21.8 | 19.1 - 24.5 | 19.8 | 17.2 - 22.3 | 21.2 | 18.7 - 23.7 |
  Highest quintile | 23.0 | 20.8 - 25.2 | 16.1 | 13.2 - 19.0 | 15.9 | 13.1 - 18.6 |
 |  |  | χ2 = 53.5, p < 0.001 | χ2 = 19.8, p = 0.011 | ||
Education— |  |  |  |  |  |  |
  Bachelor degree or higher | 20.0 | 19.4 - 20.5 | 13.4 | 10.8 - 16.0 | 16.9 | 14.7 - 19.2 |
  Diploma | 8.5 | 8.1 - 8.9 | 21.4 | 16.6 - 26.2 | 21.9 | 17.9 - 25.8 |
  Certificate I/II/III/IV | 25.4 | 24.4 - 26.3 | 24.8 | 22.0 - 27.6 | 20.2 | 17.9 - 22.4 |
  Year 12 | 14.4 | 13.4 - 15.5 | 22.2 | 18.8 - 25.6 | 22.4 | 19.2 - 25.5 |
  Year 11 | 6.7 | 5.9 - 7.4 | 25.7 | 20.1 - 31.3 | 20.9 | 16.4 - 25.5 |
  Year 10 | 13.6 | 12.6 - 14.6 | 26.8 | 23.0 - 30.5 | 21.9 | 17.7 - 26.0 |
  Year 9 or below | 11.4 | 10.6 - 12.2 | 25.5 | 22.2 - 28.9 | 17.6 | 14.4 - 20.7 |
 |  |  | χ2 = 50.4, p < 0.001 | χ2 = 24.4, p = 0.017 | ||
Whether ever been homeless— |  |  |  |  |  |  |
  Yes | 3.0 | 2.6 - 3.5 | 61.0 | 53.3 - 68.8 | 53.6 | 45.7 - 61.5 |
  No | 97.0 | 96.5 - 97.4 | 21.1 | 19.7 - 22.4 | 18.9 | 17.9 - 20.0 |
 |  |  | χ2 = 136.2, p < 0.001 | χ2 = 253.5, p < 0.001 | ||
Whether ever in gaol, prison or correctional facility— |  |  |  |  |  |  |
  Yes | 2.4 | 2.0 - 2.8 | 64.9 | 55.1 - 74.8 | 41.1 | 30.6 - 51.6 |
  No | 97.6 | 97.2 - 98.0 | 21.2 | 19.9 - 22.6 | 19.4 | 18.4 - 20.5 |
 |  |  | χ2 = 99.3, p < 0.001 | χ2 = 50.8, p < 0.001 | ||
Registered marital status— |  |  |  |  |  |  |
  Never married | 32.5 | 31.3 - 33.7 | 30.9 | 28.6 - 33.2 | 27.9 | 25.7 - 30.0 |
  Married | 53.0 | 51.7 - 54.4 | 15.5 | 13.5 - 17.5 | 14.5 | 12.6 - 16.3 |
  Widowed | 4.5 | 4.2 - 4.9 | 13.3 | 10.0 - 16.6 | 16.7 | 12.0 - 21.4 |
  Divorced | 7.5 | 6.8 - 8.2 | 32.3 | 27.2 - 37.4 | 22.6 | 18.6 - 26.6 |
  Separated | 2.5 | 2.1 - 2.9 | 39.5 | 32.5 - 46.6 | 31.8 | 25.5 - 38.1 |
 |  |  | χ2 = 193.5, p < 0.001 | χ2 = 164.9, p < 0.001 | ||
Tenure type— |  |  |  |  |  |  |
  Owner without a mortgage | 32.5 | 30.8 - 34.1 | 13.7 | 12.0 - 15.3 | 14.7 | 13.1 - 16.4 |
  Owner with a mortgage | 39.9 | 38.3 - 41.5 | 21.1 | 19.1 - 23.2 | 20.3 | 18.0 - 22.5 |
  Renter | 24.7 | 23.2 - 26.1 | 34.9 | 32.0 - 37.8 | 26.5 | 24.1 - 28.8 |
  Other | 2.9 | 2.5 - 3.4 | 26.2 | 19.0 - 33.5 | 19.1 | 12.6 - 25.6 |
 |  |  | χ2 = 178.5, p < 0.001 | χ2 = 96.3, p < 0.001 | ||
Financial difficulties— |  |  |  |  |  |  |
  Yes | 14.5 | 13.4 - 15.6 | 39.8 | 35.3 - 44.2 | 39.1 | 35.3 - 42.8 |
  No | 85.5 | 84.4 - 86.6 | 19.3 | 18.0 - 20.7 | 16.7 | 15.5 - 17.9 |
 |  |  | χ2 = 101.3, p < 0.001 | χ2 = 172.9, p < 0.001 | ||
Labour force status— |  |  |  |  |  |  |
  Employed | 65.2 | 64.8 - 65.6 | 23.4 | 21.7 - 25.1 | 20.3 | 18.7 - 21.8 |
  Unemployed | 2.6 | 2.5 - 2.7 | 50.8 | 38.9 - 62.6 | 29.4 | 20.3 - 38.4 |
  Not in the labour force | 32.2 | 31.8 - 32.5 | 17.6 | 15.6 - 19.7 | 18.6 | 16.9 - 20.3 |
 |  |  | χ2 = 54.7, p < 0.001 | χ2 = 23.9, p < 0.001 | ||
Occupation of main job— |  |  |  |  |  |  |
  Managers | 8.9 | 8.0 - 9.9 | 17.6 | 14.4 - 20.8 | 18.7 | 14.9 - 22.4 |
  Professionals | 13.2 | 12.2 - 14.3 | 13.9 | 10.8 - 17.0 | 18.6 | 15.4 - 21.8 |
  Technicians and Trades Workers | 9.2 | 8.3 - 10.1 | 28.9 | 23.7 - 34.2 | 21.1 | 16.2 - 25.9 |
  Community & Personal Services | 6.0 | 5.4 - 6.7 | 24.9 | 19.8 - 30.0 | 22.5 | 17.0 - 28.1 |
  Clerical and Administrative Workers | 10.0 | 9.1 - 11.0 | 23.7 | 19.4 - 28.1 | 22.0 | 18.6 - 25.3 |
  Sales Workers | 6.4 | 5.6 - 7.2 | 20.7 | 15.3 - 26.1 | 20.8 | 16.2 - 25.4 |
  Machinery Operators And Drivers | 3.9 | 3.2 - 4.6 | 34.4 | 26.9 - 41.8 | 19.1 | 11.9 - 26.2 |
  Labourers | 7.1 | 6.3 - 7.9 | 36.6 | 30.8 - 42.5 | 20.6 | 15.2 - 25.9 |
  Not applicable | 35.3 | 34.9 - 35.7 | 20.1 | 18.0 - 22.1 | 19.3 | 17.7 - 21.0 |
 |  |  | χ2 = 89.9, p < 0.001 | χ2 = 32.6, p = 0.008 | ||
Family composition of household— |  |  |  |  |  |  |
  Couple with dependent children | 33.4 | 32.1 - 34.7 | 17.6 | 15.0 - 20.2 | 18.7 | 16.1 - 21.3 |
  One parent with dependent children | 4.7 | 4.1 - 5.2 | 30.7 | 25.0 - 36.4 | 33.8 | 26.9 - 40.7 |
  Couple only | 27.3 | 26.5 - 28.0 | 16.7 | 15.1 - 18.3 | 14.4 | 13.0 - 15.9 |
  Other one family households | 14.5 | 13.1 - 15.9 | 33.0 | 28.4 - 37.6 | 23.5 | 18.8 - 28.2 |
  Multiple family households | 2.9 | 2.3 - 3.5 | 29.0 | 17.1 - 40.9 | 22.1 | 12.2 - 32.1 |
  Lone person household | 13.2 | 12.9 - 13.4 | 25.1 | 23.0 - 27.1 | 22.8 | 21.0 - 24.5 |
  Group household | 4.1 | 3.3 - 4.9 | 37.0 | 27.6 - 46.4 | 28.5 | 19.8 - 37.3 |
 |  |  | χ2 = 95.9, p < 0.001 | χ2 = 57.7, p < 0.001 | ||
Main source of income— |  |  |  |  |  |  |
  Employee cash income | 55.5 | 54.5 - 56.6 | 23.6 | 21.6 - 25.5 | 20.5 | 19.0 - 22.0 |
  Unincorporated business cash income | 5.7 | 4.9 - 6.5 | 19.3 | 13.6 - 25.0 | 16.2 | 11.2 - 21.2 |
  Government pensions and allowances | 22.5 | 21.7 - 23.2 | 24.9 | 22.0 - 27.8 | 23.1 | 21.0 - 25.2 |
  Other cash income | 10.3 | 9.2 - 11.3 | 13.9 | 10.1 - 17.7 | 14.8 | 11.1 - 18.5 |
  None of the above | 6.0 | 5.3 - 6.7 | 17.5 | 12.4 - 22.6 | 15.7 | 10.8 - 20.6 |
 |  |  | χ2 = 23.4, p < 0.001 | χ2 = 44.6, p < 0.001 |