The association between long working hours and work-related musculoskeletal symptoms of Korean wage workers: data from the fourth Korean working conditions survey (a cross-sectional study)

It has been reported that long working hours are hazardous to the workers' health. Especially, work-related musculoskeletal disorders (WMSDs) have been considered as one of the significant health issues in workplace. The objective of this study was to identify the association between long working hours and work-related musculoskeletal symptoms.The analysis was conducted using data from the Fourth Korean Working Conditions Survey (KWCS). Subjects...