Overall prevalence and uptake of smoke-free homes and cars by country
| Variables | Country | Between country differences | |||
|---|---|---|---|---|---|
| Canada | USA | UK | Australia | ||
| *Percentages are based on weighted data for this part of the table only. | |||||
| Reported smoking restriction at homes by smokers in Wave 1 (%)* | |||||
| Total ban | 27.3 | 26.4 | 15.3 | 34.1 | χ2 (6) = 344.81, p<0.001 |
| Partial | 33.6 | 33.6 | 50.3 | 39.3 | |
| None | 39.1 | 40.0 | 34.4 | 26.6 | |
| n | 2167 | 2085 | 2370 | 2267 | |
| Reported smoking restriction at homes among Wave 2 cohort (%) | |||||
| Among smokers | |||||
| Total ban | 31.5 | 27.9 | 19.0 | 43.1 | χ2 (6) = 311.46, p<0.001 |
| Partial | 34.1 | 32.0 | 49.5 | 32.6 | |
| None | 34.4 | 40.1 | 31.5 | 24.3 | |
| n | 1435 | 1192 | 1676 | 1718 | |
| Among quitters | |||||
| Total ban | 57.8 | 55.2 | 40.8 | 64.6 | χ2 (6) = 38.24, p<0.001 |
| Partial | 22.9 | 20.0 | 44.0 | 24.7 | |
| None | 19.3 | 24.8 | 15.2 | 10.8 | |
| n | 166 | 105 | 184 | 158 | |
| Between waves among continuing smokers (%) | |||||
| Implement smoke-free | 8.7 | 5.6 | 5.9 | 7.5 | χ2 (9) = 399.90, p<0.001 |
| Retain smoke-free | 22.7 | 22.3 | 13.1 | 35.6 | |
| Retain non smoke-free | 62.0 | 66.4 | 80.1 | 55.9 | |
| Regress to smoking | 6.6 | 5.7 | 1.0 | 1.0 | |
| n | 1433 | 1190 | 1675 | 1717 | |
| Net increase in smoke-free homes (%) | 2.1 | −0.1 | 4.9 | 6.5 | |
| Don’t smoke in cars with non-smokers (% yes)* | 63.4 | 57.1 | 68.7 | 66.0 | χ2 (3) = 70.16, p<0.001 |
| n | 2168 | 2084 | 2359 | 2263 | |