Knowledge of tobacco constituents (n = 9058)
| Smoke contains… | Proportion who agree | Odds of planning to quit† (95% CI) | ||||
|---|---|---|---|---|---|---|
| CAN | AUS | USA | UK | Overall | ||
| *Significant differences between countries (p<0.001). | ||||||
| †Odds of planning to quit smoking (0 = No plan, 1 = Plan) are adjusted for age, sex, income, ethnicity, and cigarettes smoked per day. | ||||||
| Bolded values indicate constituents that are listed on packages in each country. | ||||||
| CI, confidence interval. | ||||||
| Carbon monoxide | 90.7% | 82.6% | 85.1% | 64.6% | 80.3%* | 1.72 (1.51 to 1.94) |
| Arsenic | 57.7% | 41.1% | 42.1% | 16.9% | 38.9%* | 1.59 (1.41 to 1.75) |
| Cyanide | 71.7% | 44.4% | 51.6% | 25.1% | 47.6%* | 1.66 (1.49 to 1.84) |
| Total constituents reported | ||||||
| 0 | 5.9% | 12.4% | 11.7% | 30.5% | 15.5%* | Reference |
| 1 | 19.3% | 36.2% | 32.3% | 43.7% | 33.1%* | 1.44 (1.24 to 1.67) |
| 2 | 23.8% | 22.1% | 21.4% | 14.4% | 20.3%* | 1.90 (1.60 to 2.25) |
| 3 | 51.1% | 29.2% | 34.6% | 11.3% | 31.1%* | 2.41 (2.05 to 2.83) |