Table 1.
Prevalence of secondhand smoke (SHS) exposure in never smokers
| n | SHS % (95% CI) | No SHS % (95% CI) | p Value* | |
|---|---|---|---|---|
| Total | 3807 | 74.8 (73.3 to 76.2) | 25.2 (23.8 to 26.7) | |
| Age | <0.001 | |||
| 18–24 | 426 | 85.3 (81.6 to 88.4) | 14.7 (11.6 to 18.4) | |
| 25–44 | 1435 | 79.9 (77.1 to 82.5) | 20.1 (17.5 to 22.9) | |
| 45–64 | 1381 | 71.5 (69.2 to 73.6) | 28.5 (26.4 to 30.8) | |
| 65+ | 551 | 60.9 (57.1 to 64.5) | 39.1 (35.5 to 42.9) | |
| Sex | 0.005 | |||
| Male | 1478 | 77.5 (75.0 to 79.9) | 22.5 (20.1 to 25.0) | |
| Female | 2329 | 73.0 (71.1 to 74.8) | 27.0 (25.2 to 28.9) | |
| Highest education attained | 0.017 | |||
| Primary or below | 516 | 69.6 (66.0 to 73.0) | 30.4 (27.0 to 34.0) | |
| Secondary | 1741 | 75.8 (73.6 to 77.8) | 24.2 (22.2 to 26.4) | |
| Post-secondary | 1548 | 75.4 (72.8 to 77.8) | 24.6 (22.2 to 27.2) | |
| Employment | <0.001 | |||
| Employed | 2188 | 79.2 (77.2 to 81.1) | 20.8 (18.9 to 22.8) | |
| Unemployed | 1620 | 68.7 (66.5 to 70.8) | 31.3 (29.2 to 33.5) | |
| Physical activity (days)† | 0.01 | |||
| 0 | 1141 | 71.8 (69.0 to 74.5) | 28.2 (25.5 to 31.0) | |
| ≥1 | 2663 | 76.0 (74.2 to 77.7) | 24.0 (22.3 to 25.8) | |
| Diagnosed chronic diseases | <0.001 | |||
| No | 2571 | 76.6 (74.8 to 78.4) | 23.4 (21.6 to 25.2) | |
| Yes | 1236 | 70.9 (68.3 to 73.3) | 29.1 (26.7 to 31.7) |
Results were weighted by age and sex from census data.
*Significance was tested by χ2 test.
†Days doing any physical activity (moderate or vigorous).