Group | Sex | N | Mean age (yrs) | Mean exposure (yrs) | Smoking habit pack year | Chronic cough % | Chronic phlegm % | Chronic bronchitis % | Occupational asthma % | Dyspnea grade 3&4 % | Nasal catarrh % | Sinusitis % |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Swine | F | 18 | 38 | 10 | 7.5 | 50.0 | 27.8 | 16.7 | 0 | 50.0 | 22.2 | 19.7 |
 | M | 41 | 32 | 8 | 13.0 | 41.5 | 36.6 | 31.7 | 0 | 21.9 | 21.9 | 20.5 |
Poultry | F | 91 | 37 | 12 | 7.5 | 19.8 | 14.3 | 12.1 | 1.1 | 9.9 | 23.1 | 20.5 |
 | M | 252 | 37 | 9 | 17.0 | 33.7 | 27.4 | 24.1 | 1.2 | 5.5 | 17.7 | 22.6 |
Agriculture | F | 76 | 44 | 10 | 10.0 | 10.5 | 9.2 | 6.6 | 6.6 | 9.2 | 21.1 | 18.5 |
 | M | 738 | 38 | 15 | 20.0 | 24.8 | 22.8 | 20.1 | 1.5 | 9.1 | 20.7 | 19.5 |
Live- stock | F | 67 | 36 | 11 | 8.5 | 6.0 | 6.0 | 3.0 | 1.5 | 28.3 | 17.9 | 9.7 |
 | M | 169 | 35 | 11 | 17.0 | 27.2 | 23.7 | 21.9 | 3.6 | 16.8 | 14.2 | 9.5 |
All farmers | F | 252 | 39 | 11 | 8.4 | 21.6 | 14.3 | 9.6 | 2.3 | 24.4 | 21.1 | 17.1 |
 | M | 1200 | 36 | 11 | 16.8 | 31.8 | 27.6 | 24.4 | 1.6 | 13.3 | 18.6 | 18.0 |