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Exposures and Health Effects of Bioaerosols in Seafood Processing Workers - a Position Statement.

Journal of agromedicine·2019
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Work-related Symptoms and Asthma among Fish Processing Workers.

Anna Dahlman-Höglund1, Eva Andersson1

  • 1Department of Occupational and Environmental Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden.

Journal of Agromedicine
|October 22, 2020
PubMed
Summary

Fish filleters face higher risks of adult asthma and respiratory symptoms. Reducing pressure sprayer use and encasing machinery can mitigate these occupational health hazards in fish processing.

Keywords:
Bioaerosolsfish filletingpressure sprayerrespiratory symptoms

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Area of Science:

  • Occupational Health
  • Respiratory Medicine
  • Industrial Hygiene

Background:

  • Respiratory symptoms are common in fish processing workers.
  • Asthma and work-related symptoms require further investigation in this sector.

Purpose of the Study:

  • To assess the prevalence and predictors of asthma and work-related symptoms in fish processing workers.
  • To compare symptom prevalence between fish filleters, other fish processing workers, fishermen, and controls.

Main Methods:

  • A questionnaire survey was distributed to fish processing workers, fishermen, and controls in Sweden.
  • Cox regression analysis was used to calculate hazard ratios (HRs) and prevalence ratios (PRs).
  • Statistical significance was determined using 95% confidence intervals (CIs) and Fisher's exact test.

Main Results:

  • Fish filleters showed an increased risk of asthma (HR 3.6) and most work-related respiratory symptoms.
  • All fish processing workers reported a higher prevalence of flu-like symptoms.
  • Use of pressure sprayers was linked to increased asthma and respiratory symptoms in all groups.

Conclusions:

  • Fish filleters and pressure sprayer users have higher rates of adult asthma and cough with phlegm.
  • Reducing pressure sprayer use and enclosing machinery are recommended to minimize bioaerosol exposure.
  • Occupational interventions are needed to protect fish processing workers' respiratory health.