Predictors of health knowledge (n = 9058)
| Adjusted odds* (95% CI) of believing smoking causes…. | |||||
|---|---|---|---|---|---|
| Heart disease | Stroke | Impotence | Lung cancer (smokers) | Lung cancer (non-smokers) | |
| * Odds of believing smoking causes disease (0: No/Don’t know, 1: Yes). | |||||
| Odds ratios are adjusted for age, sex, income, ethnicity, and cigarettes smoked per day. | |||||
| CI, confidence interval. | |||||
| Country | |||||
| CAN (reference) | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| USA | 0.72 (0.59 to 0.89) | 0.64 (0.55 to 0.75) | 0.35 (0.31 to 0.40) | 1.09 (0.81 to 1.48) | 0.60 (0.52 to 0.70) |
| UK | 0.95 (0.77 to 1.18) | 0.51 (0.44 to 0.59) | 0.41 (0.36 to 0.47) | 0.98 (0.74 to 1.31) | 0.84 (0.72 to 0.98) |
| AUS | 0.82 (0.66 to 1.01) | 0.90 (0.77 to 1.06) | 0.37 (0.33 to 0.42) | 0.90 (0.68 to 1.19) | 0.55 (0.47 to 0.64) |
| Noticing anti-smoking information | 1.20 (1.04 to 1.39) | 1.16 (1.04 to 1.36) | 1.05 (0.96 to 1.15) | 1.10 (0.90 to 1.34) | 1.11 (1.15 to 1.41) |
| Noticing warning labels | 1.20 (1.04 to 1.38) | 1.23 (1.11 to 1.26) | 1.14 (1.05 to 1.24) | 1.31 (1.08 to 1.61) | 1.27 (1.15 to 1.41) |