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Objective To understand the mental health status of female workers in different industries in China, and to explore the influence of age, family per capita income, working hours and other factors on the mental health of female employees. Methods From May to July 2016, a cluster sampling survey was conducted among female workers from 15 Provinces (autonomous regions and municipalities directly under the Central Government) in different industries. A total of 60230 questionnaires were distributed and 57777 valid questionnaires were recovere