Risk Factors of Work-related Upper Extremity Musculoskeletal Disorders in Male Shipyard Workers: Structural Equation Model Analysis

Objectives: This study was conducted to develop a model describing the interaction between lifestyle, job, and postural factors and parts of the upper extremities in shipyard workers. Methods: A questionnaire survey was given to 2,140 workers at a shipyard in Ulsan City. The questionnaire consisted...

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Main Authors: Byung-Chan Park, Hae-Kwan Cheong, Eun-A Kim, Soo Geun Kim
Format: Article
Language:English
Published: Elsevier 2010-12-01
Series:Safety and Health at Work
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2093791110120046
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author Byung-Chan Park
Hae-Kwan Cheong
Eun-A Kim
Soo Geun Kim
author_facet Byung-Chan Park
Hae-Kwan Cheong
Eun-A Kim
Soo Geun Kim
author_sort Byung-Chan Park
collection DOAJ
description Objectives: This study was conducted to develop a model describing the interaction between lifestyle, job, and postural factors and parts of the upper extremities in shipyard workers. Methods: A questionnaire survey was given to 2,140 workers at a shipyard in Ulsan City. The questionnaire consisted of questions regarding the subjects' general characteristics, lifestyle, tenure, physical burden, job control, posture and musculoskeletal symptoms. The overall relationship between variables was analyzed by a structural equation model (SEM). Results: The positive rate of upper extremity musculoskeletal symptoms increased in employees who worked longer hours, had severe physical burden, and did not have any control over their job. Work with a more frequent unstable posture and for longer hours was also associated with an increased positive rate of musculoskeletal symptoms. Multiple logistic regression analysis showed that unstable posture and physical burden were closely related to the positive rate of musculoskeletal symptoms after controlling for age, smoking, drinking, exercise, tenure, and job control. In SEM analysis, work-related musculoskeletal disease was influenced directly and indirectly by physical and job stress factors, lifestyle, age, and tenure (p < 0.05). The strongest correlations were found between physical factors and work-related musculoskeletal disease. Conclusion: The model in this study provides a better approximation of the complexity of the actual relationship between risk factors and work-related musculoskeletal disorders. Among the variables evaluated in this study, physical factors (work posture) had the strongest association with musculoskeletal disorders.
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spelling doaj.art-7b30844880a74021a45b0409c6ced6442023-09-02T22:04:25ZengElsevierSafety and Health at Work2093-79112010-12-011212413310.5491/SHAW.2010.1.2.124Risk Factors of Work-related Upper Extremity Musculoskeletal Disorders in Male Shipyard Workers: Structural Equation Model AnalysisByung-Chan Park0Hae-Kwan Cheong1Eun-A Kim2Soo Geun Kim3Department of Preventive Medicine, Dongguk University School of Medicine, GyeongjuDepartment of Social and Preventive Medicine, Sungkyunkwan University School of Medicine, SuwonOccupational Safety and Health Research Institute, Korea Occupational Safety and Health Agency, IncheonDepartment of Occupational Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, KoreaObjectives: This study was conducted to develop a model describing the interaction between lifestyle, job, and postural factors and parts of the upper extremities in shipyard workers. Methods: A questionnaire survey was given to 2,140 workers at a shipyard in Ulsan City. The questionnaire consisted of questions regarding the subjects' general characteristics, lifestyle, tenure, physical burden, job control, posture and musculoskeletal symptoms. The overall relationship between variables was analyzed by a structural equation model (SEM). Results: The positive rate of upper extremity musculoskeletal symptoms increased in employees who worked longer hours, had severe physical burden, and did not have any control over their job. Work with a more frequent unstable posture and for longer hours was also associated with an increased positive rate of musculoskeletal symptoms. Multiple logistic regression analysis showed that unstable posture and physical burden were closely related to the positive rate of musculoskeletal symptoms after controlling for age, smoking, drinking, exercise, tenure, and job control. In SEM analysis, work-related musculoskeletal disease was influenced directly and indirectly by physical and job stress factors, lifestyle, age, and tenure (p < 0.05). The strongest correlations were found between physical factors and work-related musculoskeletal disease. Conclusion: The model in this study provides a better approximation of the complexity of the actual relationship between risk factors and work-related musculoskeletal disorders. Among the variables evaluated in this study, physical factors (work posture) had the strongest association with musculoskeletal disorders.http://www.sciencedirect.com/science/article/pii/S2093791110120046Work-related musculoskeletal disordersRisk factorsShipyardStructural equation model
spellingShingle Byung-Chan Park
Hae-Kwan Cheong
Eun-A Kim
Soo Geun Kim
Risk Factors of Work-related Upper Extremity Musculoskeletal Disorders in Male Shipyard Workers: Structural Equation Model Analysis
Safety and Health at Work
Work-related musculoskeletal disorders
Risk factors
Shipyard
Structural equation model
title Risk Factors of Work-related Upper Extremity Musculoskeletal Disorders in Male Shipyard Workers: Structural Equation Model Analysis
title_full Risk Factors of Work-related Upper Extremity Musculoskeletal Disorders in Male Shipyard Workers: Structural Equation Model Analysis
title_fullStr Risk Factors of Work-related Upper Extremity Musculoskeletal Disorders in Male Shipyard Workers: Structural Equation Model Analysis
title_full_unstemmed Risk Factors of Work-related Upper Extremity Musculoskeletal Disorders in Male Shipyard Workers: Structural Equation Model Analysis
title_short Risk Factors of Work-related Upper Extremity Musculoskeletal Disorders in Male Shipyard Workers: Structural Equation Model Analysis
title_sort risk factors of work related upper extremity musculoskeletal disorders in male shipyard workers structural equation model analysis
topic Work-related musculoskeletal disorders
Risk factors
Shipyard
Structural equation model
url http://www.sciencedirect.com/science/article/pii/S2093791110120046
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