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  • Title: The prevalence of respiratory symptoms among mushroom workers in Ireland.
    Author: Hayes JP, Rooney J.
    Journal: Occup Med (Lond); 2014 Oct; 64(7):533-8. PubMed ID: 25138013.
    Abstract:
    BACKGROUND: Respiratory conditions such as asthma, bronchitis, hypersensitivity pneumonitis and upper airways symptoms have been ascribed to fungal exposures. Mushroom workers may be at risk of these as a consequence. AIMS: To assess the prevalence of respiratory symptoms in mushroom workers. METHODS: A cross-sectional study assessed 4 weeks of respiratory symptoms among mushroom workers divided into four categories of exposure, using a self-administered respiratory questionnaire and spirometry. RESULTS: The population of 191 subjects was predominantly (66%) from Eastern Europe; 61% were women and 39% were under 30. It included 73 growers, 38 composters, 26 administrators and 52 packers. Among all workers, there was a high prevalence (67%) of one or more respiratory symptoms which did not appear to vary by age, gender, pack-years of smoking or duration of employment. There was a significant improvement in respiratory symptoms in workers during absence from the workplace (P < 0.001). Spirometry readings across all groups were within normal values. Symptom profiles suggest that as many as 22 workers had symptoms of airways disease; 18 (82%) of these were mushroom growers. Growers were significantly more likely to have symptoms consistent with airways disease than all other workers, odds ratio 9.2 (95% CI 3.0-28.4). CONCLUSIONS: There was a high prevalence of respiratory symptoms among mushroom workers. Mushroom growers may be at high risk of airways disease, possibly from fungal antigens or related exposures.
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