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We studied the relation between Parkinson disease (PD) and professional exposure to pesticides in a community‐based case‐control study conducted in a population characterized by a high prevalence of exposure. Our objective was to investigate the role of specific pesticide families and to perform dose‐effect analyses.

PD cases (n = 224) from the Mutualité Sociale Agricole (France) were matched to 557 controls free of PD affiliated with the same health insurance. Pesticide exposure was assessed using a 2‐phase procedure, including a case‐by‐case expert evaluation. Analyses of the relation between PD and professional exposure to pesticides were first performed overall and by broad category (insecticides, fungicides, herbicides). Analyses of 29 pesticide families defined based on a chemical classification were restricted to men. Multiple imputation was used to impute missing values of …