Weighted, adjusted OR and 95% CIs for the effects of covariates on ‘hardcore’ smoking (n=71 650)
| Variables | Crude OR (95% CI) | p Value | Adjusted OR (95% CI) | p Value |
|---|---|---|---|---|
| Survey year | ||||
| 2001 | 1.00 | 0.009 | 1.00 | 0.550 |
| 2004 | 0.82 (0.69 to 0.96) | 0.95 (0.78 to 1.15) | ||
| 2007 | 0.82 (0.68 to 0.98) | 1.10 (0.89 to 1.36) | ||
| 2010 | 0.76 (0.64 to 0.90) | 0.95 (0.78 to 1.17) | ||
| SEIFA | ||||
| Bottom-two SEIFA quintiles | 1.00 | <0.001 | 1.00 | <0.001 |
| Top-two SEIFA quintiles | 0.37 (0.32 to 0.42) | 0.64 (0.50 to 0.82) | ||
| Age | 1.00 (1.00 to 1.00) | 0.414 | 0.99 (0.99 to 1.00) | <0.001 |
| Sex | ||||
| Female | 1.00 | <0.001 | 1.00 | <0.001 |
| Male | 1.38 (1.23 to 1.55) | 1.57 (1.38 to 1.77) | ||
| ATSI Status | ||||
| Non-ATSI | 1.00 | <0.001 | 1.00 | <0.001 |
| ATSI | 3.17 (2.36 to 4.25) | 2.02 (1.49 to 2.74) | ||
| Main language spoken | ||||
| English | 1.00 | <0.001 | 1.00 | <0.001 |
| Language other than English | 0.53 (0.39 to 0.73) | 0.54 (0.39 to 0.77) | ||
| Migrant (not born in Australia) | ||||
| No | 1.00 | 0.023 | 1.00 | 0.047 |
| Yes | 0.85 (0.74 to 0.98) | 1.17 (1.00 to 1.37) | ||
| Employment status | ||||
| Employed | 1.00 | <0.001 | 1.00 | <0.001 |
| Student | 0.35 (0.22 to 0.57) | 0.31 (0.18 to 0.51) | ||
| Not employed—in workforce | 2.45 (1.92 to 3.13) | 1.76 (1.37 to 2.26) | ||
| Not employed—not in workforce | 1.15 (1.02 to 1.30) | 1.07 (0.90 to 1.26) | ||
| Other | 1.40 (0.87 to 2.26) | 1.26 (0.78 to 2.03) | ||
| Marital status | ||||
| Married/de facto | 1.00 | <0.001 | 1.00 | <0.001 |
| Widowed/divorced/separated | 2.08 (1.81 to 2.37) | 1.90 (1.64 to 2.21) | ||
| Never married | 1.29 (1.10 to 1.51) | 1.18 (0.99 to 1.42) | ||
| Single parents with dependent children | ||||
| No | 1.00 | <0.001 | 1.00 | 0.049 |
| Yes | 1.88 (1.53 to 2.30) | 1.25 (1.00 to 1.57) | ||
| Education | ||||
| High school or lower | 1.00 | <0.001 | 1.00 | <0.001 |
| Diploma or certificate | 0.70 (0.62 to 0.79) | 0.69 (0.61 to 0.78) | ||
| University degree | 0.20 (0.16 to 0.26) | 0.27 (0.21 to 0.35) | ||
| Survey year by SEIFA interaction | ||||
| 2001 | 1.00 | 0.025 | ||
| 2004×top-two SEIFA quintiles | 0.80 (0.57 to 1.12) | |||
| 2007×top-two SEIFA quintiles | 0.61 (0.42 to 0.89) | |||
| 2010×top-two SEIFA quintiles | 0.63 (0.44 to 0.90) | |||
SEIFA, Socio-Economic Indexes for Areas.