Time of follow-up (years): mean (range) | 4.1 (3.3–4.5) | 4.1 (3.5–4.5) |
Active fishermen or shellfish gatherers | 361 (77%) | 125 (81%) |
Women | 131 (28%) | 74 (47%) |
Age at follow-up (years): mean (SD) | 48 (11) | 51 (11) |
Never-smokers | 207 (44%) | 82 (53%) |
Ex-smokers | 135 (29%) | 31 (20%) |
Current smokers | 124 (27%) | 43 (27%) |
Ever asthma | 34 (7%) | 16 (10%) |
Nasal allergy or rhinitis | 70 (15%) | 16 (10%) |
Reported allergies | 95 (20%) | 34 (22%) |
Atopy (baseline)* | 107 (23%) | 27 (17%) |
FEV1 (baseline): mean (SD)† | 99% (16) | 99% (16) |
Bronchial hyperresponsiveness (baseline)‡ | 73 (18%) | 22 (16%) |