Occupation and risk of female breast cancer: A case-control study in Morocco - Archive ouverte HAL
Article Dans Une Revue American Journal of Industrial Medicine Année : 2019

Occupation and risk of female breast cancer: A case-control study in Morocco

Amr S Soliman
  • Fonction : Auteur

Résumé

Background Breast cancer is the most frequent cancer among Moroccan women. Environmental and occupational factors may play a role in breast cancer etiology. This study aimed to investigate the association between occupation, industry, and breast cancer risk among Moroccan women. Methods A total of 300 breast cancer cases and 300 controls (matched by age and area of residence) were included in this study. Full occupational history was collected, with a detailed description of each job held for at least 6 months. Occupations were coded according to the International Standard Classification of Occupations (ISCO 08) and the Moroccan Analytical Classification of Professions (2001). Industries were coded according to the Statistical Classification of Economic Activities in the European Community (2008). Odds ratios (ORs) and 95% confidence intervals (CIs), adjusted for potential confounders were estimated by using conditional logistic regression. Results An overall decreased risk of breast cancer was observed among women doing only household work (OR = 0.32; 95% CI = 0.18-0.55). An increased risk of breast cancer was observed among women in agricultural occupations, particularly those employed as agricultural laborers (ISCO 08 code: 921; OR = 2.91; 95% CI = 1.51-5.60) and the risk increased with duration of employment (P trend = .01). Analyses by industry corroborated these findings. Conclusions Our findings suggest that occupational exposures may be associated with increased risk of breast cancer among female agricultural workers in this population. Further investigations, with advanced methods of occupational exposure assessment, are warranted to clarify the role of chemicals involved in this high-risk occupation and to suggest preventive actions and screening.
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Dates et versions

hal-03231641 , version 1 (21-05-2021)

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Mohamed Khalis, Karima El Rhazi, Emmanuel Fort, Véronique Chajes, Hafida Charaka, et al.. Occupation and risk of female breast cancer: A case-control study in Morocco. American Journal of Industrial Medicine, 2019, 62 (10), p846. ⟨10.1002/ajim.23027⟩. ⟨hal-03231641⟩
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