Characteristics of the study population, the Finnish Environment and Asthma Study subjects with adult-onset asthma 1997–2000
| Characteristic | Men (n=167) | Women (n=319) | Total (n=486) | |||
| n | % | n | % | n | % | |
| Age, years | ||||||
| 21–29 | 36 | 21.6 | 64 | 20.1 | 100 | 20.6 |
| 30–39 | 40 | 24.0 | 61 | 19.1 | 101 | 20.8 |
| 40–49 | 37 | 22.2 | 81 | 25.4 | 118 | 24.3 |
| 50–59 | 39 | 23.4 | 89 | 27.9 | 128 | 26.3 |
| 60–64 | 15 | 9.0 | 24 | 7.5 | 39 | 8.0 |
| Education | ||||||
| No vocational schooling | 36 | 21.6 | 65 | 20.4 | 101 | 20.8 |
| Vocational course | 22 | 13.2 | 61 | 19.1 | 83 | 17.1 |
| Vocational institution | 61 | 36.5 | 78 | 24.5 | 139 | 28.6 |
| College-level education | 29 | 17.4 | 73 | 22.9 | 102 | 21.0 |
| University or corresponding | 19 | 11.4 | 42 | 13.2 | 61 | 12.6 |
| Smoking* | ||||||
| Never | 53 | 31.7 | 172 | 53.9 | 225 | 46.3 |
| Former | 61 | 36.5 | 63 | 19.8 | 124 | 25.5 |
| Quit smoke >12 months | 48 | 28.7 | 46 | 14.4 | 94 | 19.3 |
| Quit smoke <12 months | 13 | 7.8 | 17 | 5.3 | 30 | 6.2 |
| Current | 52 | 31.1 | 82 | 25.7 | 134 | 27.6 |
| Occasional | 8 | 4.8 | 20 | 6.3 | 28 | 5.8 |
| Regular | 44 | 26.4 | 62 | 19.4 | 106 | 21.8 |
| Smoking rate for regular smokers (cigarettes per day)† | ||||||
| 1–14 | 14 | 31.8 | 38 | 61.3 | 52 | 49.1 |
| ≥15 | 30 | 68.2 | 22 | 35.5 | 52 | 49.1 |
| Cumulative smoking for regular smokers (cigarette-years)‡ | ||||||
| 1–199 | 10 | 22.7 | 26 | 41.9 | 36 | 34.0 |
| ≥200 | 34 | 77.3 | 32 | 51.6 | 66 | 62.3 |
*Smoking status missing for 1 man and 2 women.
†Smoking rate missing for 2 women.
‡Cigarette-year missing for 4 women.