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Psychosocial factors at work mood states and muscle-skeletal disorders
2001 (English)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

The objective of this cross-sectional study is to investigate how psychosocial work stressors are related to job stress and work-related musculo-skeletal disorders. Firstly, it is tested whether there is the association between the Job Demand-Control model for the description of a psychosocial work environment, and the Stress-Energy model for the description of mood states. Secondly, whether perceived job stress has a mediating effect between adverse psychosocial work conditions and musculo- skeletal symptoms from the neck, shoulder, and upper and low back. A total sample of 305 assembly works completed questionnaires concerning psychosocial work conditions, mood, perceived physical exertion, musculo- skeletal symptoms. Of these 45% reported having had shoulder pain, following by 42% for neck pain, 37% for low back pain and 19% for upper back pain during the previous three months. There was an association between groupings based on the Job Demand-Control and Stress-Energy models. Further, a multiple regression analysis showed that the interaction of psychological demands and decision latitude influenced energy ratings significantly. Psychological demands determined stress ratings, while, decision latitude predicted energy ratings. Social support was related to both stress and energy ratings. Odds ratios were calculated to estimate the relative risk of the various exposure factors. After adjustment for stress ratings, psychological demands were not related to shoulder pain, and social support did not correlate symptoms from the neck and upper back. However, stress ratings were significantly related to all the symptoms also after control for the other variables. The findings indicate the mediating effect of perceived job stress. The proposal of the Stress-Energy model has raised the issue of the impact of job characteristics on workers’ health in a specific work environment. The better understanding of the interactions between workers and their work conditions will be significant for reconstruction of the work environment, which helps improve productivity in industry and as well the quality of working life of workers.

Place, publisher, year, edition, pages
Keyword [en]
Technology, muscle-skeletal disorders, ergonomics, psychosocial stress
Keyword [sv]
URN: urn:nbn:se:ltu:diva-51673ISRN: LTU-EX--01/115--SELocal ID: 8df66250-f665-4668-b876-13dfac8e9151OAI: diva2:1025037
Subject / course
Student thesis, at least 15 credits
Educational program
Ergonomics, master's level
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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