期刊
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
卷 19, 期 20, 页码 -出版社
MDPI
DOI: 10.3390/ijerph192013658
关键词
wildland firefighters; respiratory symptoms; respiratory protection; N95 masks; intervention
资金
- Government of Alberta, OHS Futures program
- BC Wildfire Service
This study examined whether discretionary use of an N95 mask reduced symptom reporting in wildland firefighters. The results showed that the use of masks significantly reduced symptoms such as cough, throat, and nose irritation, but not eye symptoms. Firefighters used masks most frequently during the initial attack phase and least during driving and patrol. Reasons for not wearing masks included high work difficulty and low comfort.
We examined whether discretionary use of an N95 mask reduced symptom reporting in wildland firefighters. The study collected data from two Canadian provinces during the 2021 fire season, with each firefighter followed for up to 4 rotations. Participants completed questionnaires on symptoms at the start and end of each rotation, when they reported also on mask use (if any) and completed a task checklist. Eighty firefighters contributed data. Nineteen firefighters were successfully fit-tested for N95 masks to wear whenever they felt conditions justified. Start-of-rotation symptoms reflected total hours firefighting in 2021. Symptoms of eye, nose and throat irritation and cough were more bothersome at the end of rotation. Cough, throat and nose (but not eye) symptoms were reported as significantly less bothersome at the end of rotation by those allocated masks, having allowed for crew type and start-of-rotation symptoms. Among those allocated a mask, use was most frequent during initial attack and least during driving and patrol. Reasons for not wearing included high work difficulty and low comfort. It is concluded that symptoms in wildland firefighters increased with hours of exposure. While provision of an N95 mask reduced symptoms, work is needed to overcome barriers to respiratory protection
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