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KMID : 0895420090190040390
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Journal of Korean Society of Occupational and Enviromental Hygiene
2009 Volume.19 No. 4 p.390 ~ p.402
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Factors Affecting Musculoskeletal Symptoms of Manufacturing Workers
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Kim Kyoo-Sang
Hong Chang-Woo
Lee Dong-Kyung
Jeong Byung-Yong
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Abstract
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This study aimed to examine the general characteristics of individual workers, psychosocial working environment, and ergonomic risk factors which affect the status of musculoskeletal disorders. Self-report was carried out for musculoskeletal symptoms and ergonomic risks in working environment in 856 production workers in 16 small to medium sized manufacturing companies. Musculoskeletal symptoms were examined with a standardized questionnaire, and ergonomic risks were evaluated with a qualitative self-administered instrument for the tasks related to musculoskeletal disorders. Major findings were as follows: 1) Complaint rate for musculoskeletal symptoms was higher in female, aged, married workers with longer working hours, less leisure/hobby activity, longer household working hours and history of disease or accident. 2) Complaint rate for musculoskeletal symptoms was ignificantly higher in workers with dissatisfaction, difficult asks, and no self-control at work. 3) Complaint rate for musculoskeletal symptoms was significantly higher in workers involved in tasks with major ergonomic risk factors, and handling heavy equipment. 4) Explanatory power increased the model with the musculoskeletal symptoms as dependent variable and demographic variables, psychosocial working environment and ergonomic risk factors included, and total explanatory power of 18.6% revealed the significant effect. Based on the results, we can conclude that musculoskeletal symptoms in manufacturing workers are associated with individual demographic characteristics, psychosocial working environment and ergonomic risk factors.
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KEYWORD
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Musculoskeletal disorders, Symptoms, Upper Limb, Risk factors, Ergonomics
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