Primary |
Douglas |
1995 |
UK |
HMW |
Animals, Crustacea, seafoods, fish |
Salmon |
Salmon processors |
Occupational asthma |
Exhaust ventilation (24 months) |
Prior to intervention: 291 of 291 eligible subjects (Participation rate: 100%) After intervention: 37 people who joined and remained for more than 3 months after intervention were the post-modification group. Limitation: no report of participation rate for post-modification group |
Eighteen months prior to the intervention, 8.2% of workforce (n=291) had OA. Two years after the intervention, none of the 37 new workers had OA. |