Annual period prevalence of a hospital visit for asthma associated with demographic factors and environmental exposures and symptoms
| No. | % | OR (95% CI) | |
|---|---|---|---|
| *p<0.05, **p<0.05 | |||
| Age (years) | |||
| 5–12 | 1815 | 21.6 | 1.54 (1.24 to 1.91)** |
| 13–19 | 1194 | 15.2 | Reference |
| Unknown | 1 | ||
| Sex | |||
| Male | 1571 | 18.9 | 1.01 (0.78 to 1.30) |
| Female | 1439 | 18.8 | Reference |
| Highest parental education | |||
| Secondary school not completed | 327 | 24.8 | 1.85 (1.21 to 2.82)** |
| Secondary school completed | 1756 | 20.1 | 1.40 (1.05 to 1.88)* |
| University degree | 885 | 15.2 | Reference |
| Unknown | 42 | ||
| Gross family income | |||
| <$20 000 | 351 | 25.0 | 1.75 (1.19 to 2.59)** |
| $20 000–60 000 | 1517 | 19.4 | 1.27 (0.98 to 1.63) |
| >$60 000 | 771 | 16.0 | Reference |
| Unknown | 371 | ||
| Parental marital status | |||
| Married | 2414 | 18.6 | Reference |
| Separated/divorced/widowed | 430 | 18.0 | 0.96 (0.67 to 1.36) |
| Single, never married | 124 | 30.5 | 1.92 (1.18 to 3.12)** |
| Unknown | 42 | ||
| Cats | |||
| Yes | 903 | 17.7 | 0.90 (0.71 to 1.14) |
| No | 2106 | 19.4 | Reference |
| Unknown | 1 | ||
| Dogs | |||
| Yes | 1075 | 14.6 | 0.64 (0.51 to 0.80) |
| No | 1934 | 21.1 | Reference |
| Unknown | 1 | ||
| Regularly exposed to second hand smoke at home | |||
| Yes | 1047 | 23.4 | 1.55 (1.22 to 1.97)** |
| No | 1947 | 16.4 | Reference |
| Unknown | 16 | ||
| Asthma symptoms experienced daily or almost daily | |||
| Yes | 323 | 35.4 | 2.32 (1.70 to 3.17)** |
| No | 2150 | 19.1 | Reference |
| Unknown | 537 | ||
| Sleep disturbed due to asthma more than twice a month | |||
| Yes | 377 | 33.7 | 2.38 (1.77 to 3.21)** |
| No | 2518 | 17.7 | Reference |
| Unknown | 115 | ||