Publications Scientifiques

[ Article ] The prevalence of byssinosis among cotton workers in the north of Benin

Date de soumission: 07-12-2016
Année de Publication: 2014
Entité/Laboratoire Unité de Formation et de Recherche en Pneumologie
Document type : Article
Discipline(s) : Pneumologie
Titre The prevalence of byssinosis among cotton workers in the north of Benin
Auteurs HINSON ANTOINE VICKKEY [1], SCHLÜNSSEN VIVI [1], AGODOKPESSI GILDAS [1], FAYOMI EBOUM BENJAMIN [1],
Journal: Int J Occup Environ Med
Catégorie Journal: Internationale
Impact factor: 1
Volume Journal: 5
DOI:
Resume Background: Cotton is the main agricultural export product in Benin. Cotton dust is thus present in the air during the handling and processing of cotton. This dust contains a mixture of substances including ground up plant matter, fibres, bacteria, fungi, soil, pesticides, noncotton matter, and other contaminants. While cotton processing is decreasing in industrialized countries, it is increasing in developing countries. Cotton processing, particularly in the early processes of spinning, can cause byssinosis. Objective: To determine the respiratory effects of cotton dust exposure among cotton mill workers in Benin. Methods: In a cross-sectional study, 109 workers exposed to cotton dust and 107 unexposed workers were studied. The International Commission on Occupational Health (ICOH) questionnaire was used for data collection on respiratory symptoms. For each worker, crossshift pulmonary function was performed with a dry spirometer. Based on the severity of respiratory symptoms and spirometry byssinosis was defined and classified according to thecriteria of Schilling, et al. Results: The mean±SD age of the exposed and unexposed workers was 46.3±7.8 and 37.0±8.3 years, respectively (p<0.001). The mean FEV1 predicted value for the exposed and unexposed workers was 76.3% and 77.3%, respectively. The prevalence of grade 3 byssinosis was 21.1% (95% CI: 13.4–28.9) in exposed workers and 8.4% (95% CI: 3.1–13.7) in unexposed workers (p=0.006). On Mondays, the exposed workers had more respiratory symptoms than unexposed workers; for grade 3 byssinosis, the prevalence was 13.8% in exposed and 4.7% in unexposed workers (p=0.011). Conclusion: The prevalence of respiratory symptoms and byssinosis among cotton mill workers in Benin is high and needs prompt attention of health care workers and policymakers.
Mots clés Byssinosis; Cotton fiber; Respiratory function tests; Respiration disorders; Smoking; Occupational exposure; Benin
Pages 194 - 200
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