Adjusted OR of atopic and non-atopic asthma by occupation, the Finnish Environment and Asthma Study 1997–2000
| Occupation | Atopic asthma cases (n=156) | Non-atopic asthma cases (n=187)* | Controls (n=932)* | ||||
| n | OR† | 95% CI | n | OR† | 95% CI | n | |
| Bakers and food processors | 4 | 4.69 | 1.18 to 18.69 | 1 | 0.53 | 0.06 to 4.49 | 7 |
| Chemical industry workers | 4 | 15.76 | 2.64 to 94.12 | 1 | 4.19 | 0.31 to 56.60 | 2 |
| Cleaners | 8 | 2.00 | 0.82 to 4.86 | 12 | 1.44 | 0.69 to 3.03 | 34 |
| Construction and mining workers | 2 | 0.69 | 0.15 to 3.15 | 4 | 1.58 | 0.51 to 4.89 | 31 |
| Day-care workers | 4 | 2.34 | 0.71 to 7.71 | 3 | 0.80 | 0.22 to 2.86 | 16 |
| Dentists and dental workers | 0 | – | – | 1 | 3.48 | 0.21 to 56.82 | 1 |
| Drivers | 2 | 0.97 | 0.21 to 4.47 | 2 | 1.09 | 0.24 to 4.92 | 23 |
| Electrical and electronic production workers | 2 | 1.03 | 0.22 to 4.96 | 2 | 1.47 | 0.31 to 6.87 | 14 |
| Engine workshop workers | 2 | 0.74 | 0.16 to 3.40 | 2 | 1.45 | 0.32 to 6.61 | 21 |
| Farmers and agricultural workers | 3 | 1.00 | 0.29 to 3.45 | 11 | 2.36 | 1.10 to 5.06 | 35 |
| Forestry and related workers | 1 | 4.21 | 0.31 to 57.31 | 1 | 5.77 | 0.49 to 67.58 | 2 |
| Fur and leather workers | 1 | 1.24 | 0.14 to 11.20 | 1 | 0.69 | 0.08 to 6.03 | 6 |
| Glass, ceramic and mineral workers | 2 | 3.11 | 0.56 to 17.40 | 0 | – | – | 6 |
| Hairdressers | 0 | – | – | 3 | 1.19 | 0.23 to 6.24 | 6 |
| Housewives | 3 | 0.93 | 0.25 to 3.47 | 0 | – | – | 18 |
| Laboratory technicians | 0 | – | – | 0 | – | – | 7 |
| Metal workers | 5 | 2.18 | 0.74 to 6.38 | 14 | 8.37 | 3.77 to 18.59 | 23 |
| Maternity leave | 1 | 1.05 | 0.12 to 9.12 | 0 | – | – | 7 |
| Nurses and nursing associates | 6 | 1.11 | 0.43 to 2.88 | 7 | 0.78 | 0.33 to 1.85 | 41 |
| Painters | 1 | 1.78 | 0.21 to 15.22 | 0 | – | – | 7 |
| Physicians | 0 | – | – | 2 | 1.97 | 0.38 to 10.23 | 8 |
| Printers | 0 | – | – | 1 | 0.69 | 0.08 to 5.84 | 8 |
| Rubber and plastic workers | 2 | 2.16 | 0.41 to 11.32 | 4 | 3.45 | 0.92 to 12.84 | 7 |
| Retired | 6 | 1.93 | 0.72 to 5.19 | 17 | 1.27 | 0.66 to 2.45 | 61 |
| Sick leave | 0 | – | – | 0 | – | – | 1 |
| Storage workers | 1 | 0.63 | 0.08 to 5.05 | 5 | 2.60 | 0.87 to 7.81 | 14 |
| Students | 12 | 1.45 | 0.65 to 3.24 | 7 | 2.36 | 0.89 to 6.23 | 29 |
| Textile workers | 3 | 2.36 | 0.62 to 9.03 | 4 | 1.20 | 0.37 to 3.92 | 13 |
| Other occupations | 14 | 1.5 | 0.77 to 2.94 | 12 | 0.93 | 0.47 to 1.85 | 73 |
| Unemployed | 16 | 3.06 | 1.52 to 6.17 | 5 | 0.64 | 0.24 to 1.72 | 42 |
| Waiters | 6 | 4.67 | 1.40 to 15.56 | 4 | 2.79 | 0.76 to 10.18 | 7 |
| Wood and paper workers | 3 | 1.50 | 0.39 to 5.77 | 2 | 1.48 | 0.31 to 7.14 | 14 |
| Total | 153 | – | – | 177 | – | – | 901 |
| Occupation missing | 3 | – | – | 10 | – | – | 31 |
| Professionals, clerks and administrative | 39 | 1.00 | – | 49 | 1.00 | – | 317 |
Statistically significant effects are shown in bold.
*Smoking missing for 2 controls and for 2 cases with non-atopic asthma.
†Adjusted for age, gender and smoking.