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94 Skin symptoms among workers in the Norwegian salmon processing industry
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94 Skin symptoms among workers in the Norwegian salmon processing industry
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94 Skin symptoms among workers in the Norwegian salmon processing industry
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Journal Article
94 Skin symptoms among workers in the Norwegian salmon processing industry
2025
Overview
ObjectiveSalmon processing workers have various occupational dermal exposures including wet work (frequent contact with water, hand wash and prolonged use of gloves), contact with fish products, disinfectants, and detergents. However, knowledge regarding whether work within this industry may cause skin symptoms is limited. In this study, we aimed to investigate the prevalence of skin symptoms among workers in the salmon processing industry.Material and MethodsA total of 738 workers (664 processing workers and 74 office workers) from nine Norwegian salmon processing plants were included in a cross-sectional study. All completed a questionnaire comprising questions regarding work tasks and skin symptoms on hands during the past 12 months. Chi-squared tests or Fisher’s exact tests were used to identify significant difference in skin symptoms between the groups.ResultsProcessing workers had a higher prevalence of skin symptoms compared to office workers. We found a significant difference in prevalence of skin symptoms between processing workers and office workers for ‘redness’ (15% vs. 5%, p=0.03), ‘dry skin with scaling/flaking’ (21% vs. 8%, p=0.01), ‘tiny water blisters (vesicles)’ (7% vs. 0%, p=0.01), ‘burning, pricking, or stinging’ (8% vs. 1%, p=0.03) and ‘aching or pain’ (12% vs. 0%, p<0.001).We observed a non-significant elevated prevalence of skin symptoms among processing workers compared to office workers for: ‘fissures or cracks’ (19% vs. 10%), ‘weeping or crusts’ (5% vs. 1%), ‘papules’ (4% vs. 0%), ‘rapidly appearing itchy wheals/welts (urticaria)’ (7% vs. 1%), ‘itching’ (16% vs. 10%), and ‘tenderness’ (8% vs. 4%).ConclusionsSalmon processing workers had higher prevalence of skin symptoms on hands compared to office workers in the same industry. The study contributes to increased knowledge on skin symptoms among workers in the salmon processing industry.FundingThis project received funding from The Research Council of Norway (project code 302902) with additional funding from Helse Nord health trust (grant HNF 1345-17) and grants from Helse Vest health trust, and Haukeland University Hospital.AcknowledgementsWe thank the participants for giving consent to participate in the study and the salmon processing plants for their facilitation and support.
