Adjusted odds ratios from logistic regression of smoking status on sociodemographic variables for each survey year
| 1980 | 1983 | 1986 | 1989 | 1992 | 1995 | 1998 | 2001 | |
|---|---|---|---|---|---|---|---|---|
| * Adjusted for sex. | ||||||||
| † Adjusted for age and sex. | ||||||||
| Sex | ||||||||
| Males | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Females | 0.6 | 0.7 | 0.8 | 0.9 | 0.8 | 0.8 | 1.0 | 0.8 |
| 95% CI | (0.5 to 0.7) | (0.6 to 0.8) | (0.7 to 0.9) | (0.8 to 1.0) | (0.7 to 0.9) | (0.7 to 0.9) | (0.9 to 1.1) | (0.7 to 0.9) |
| Age* | ||||||||
| 18–24 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 25–29 | 0.88 | 0.85 | 0.96 | 0.90 | 0.97 | 1.00 | 1.08 | 1.03 |
| (95%CI) | (0.7 to 1.2) | (0.7 to 1.1) | (0.8 to 1.2) | (0.7 to 1.2) | (0.8 to 1.2) | (0.8 to 1.3) | (0.9 to 1.3) | (0.91 to 1.2) |
| 30–39 | 0.67 | 0.69 | 0.69 | 77 | 0.78 | 0.84 | 1.1 | 0.93 |
| (95%CI) | (0.5 to 0.8) | (0.6 to 0.8) | (0.6 to 0.9) | (0.6 to 0.9) | (0.6 to 0.9) | (0.7 to 1.0) | (0.9 to 1.2) | (0.8 to 1.0) |
| 40–59 | 0.62 | 0.63 | 0.63 | 0.54 | 0.63 | 0.61 | 0.74 | 0.66 |
| (95%CI) | (0.50 to 0.8) | (0.5 to 0.8) | (0.5 to 0.7) | (0.5 to 0.7) | (0.5 to 0.8) | (0.1 to 0.7) | (0.6 to 0.9) | (0.6 to 0.7) |
| 60+ | 0.28 | 0.33 | 0.36 | 0.32 | 0.29 | 0.29 | 0.29 | 0.26 |
| (95% CI) | (0.2 to 0.4) | (0.3 to 0.4) | (0.3 to 0.4) | (0.3 to 0.4) | (0.2 to 0.4) | (0.2 to 0.4) | (3 to 45) | (0.2 to 0.3) |
| Occupation† | ||||||||
| Upper white collar | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Lower white collar | 1.1 | 1.8 | 1.4 | 1.5 | 1.5 | 1.3 | 1.4 | 1.8 |
| (95% CI) | (0.9 to 1.4) | (1.4 to 2.3) | (1.1 to 1.7) | (1.2 to 2.0) | (1.2 to 2.0) | (1.0 to 1.7) | (1.2 to 1.7) | (1.6 to 2.0) |
| Upper blue collar | 1.6 | 1.8 | 1.7 | 1.9 | 1.8 | 1.9 | 1.8 | 2.1 |
| (95% CI) | (1.2 to 2.1) | (1.3 to 2.3) | (1.3 to 2.1) | (1.5 to 2.6) | (1.3 to 2.3) | (1.5 to 2.5) | (1.4 to 2.2) | (1.9 to 2.4) |
| Lower blue collar | 2.0 | 2.4 | 2.4 | 2.5 | 2.4 | 2.8 | 3.0 | 2.8 |
| (95% CI) | (1.5 to 2.6) | (1.8 to 3.1) | (2.0 to 3.0) | (1.9 to 3.3) | (1.8 to 3.1) | (2.2 to 3.6) | (2.4 to 3.6) | (2.5 to 3.2) |
| Not in paid | ||||||||
| employment | 1.1 | 1.9 | 1.7 | 1.9 | 2.2 | 2.0 | 2.5 | 2.0 |
| (95% CI) | (0.9 to 1.3) | (1.5 to 2.4) | (1.4 to 2.0) | (1.5 to 2.5) | (1.7 to 2.8) | (1.6 to 2.6) | (2.0 to 3.0) | (1.8 to 2.3) |