Relationship between occupational stress and occupational musculoskeletal disorders in coal miners / 中国职业医学

ABSTRACT

OBJECTIVE: To explore the relationship between occupational stress and occupational musculoskeletal disorders( OMD) in coal miners. METHODS: A total of 362 coal miners were selected through cluster sampling method. The prevalence of OMD was investigated by the Nordic Standardized Questionnaires for Musculoskeletal Disorders( Chinese version). The Job Content Questionnaire and Effort Reward Imbalance Questionnaire were used to assess the occupational stress and depression of coal miners was determined by the Epidemiological Studies Depression Scale. RESULTS: The prevalence of OMD in coal miners was 63. 5%. There were 45. 9%( 166/362) of coal miners suffered from occupational stress with job demand-control model imbalance and 62. 4%( 226/362) of coal miners have occupational stress with effortreward model imbalance. The multiple logistic non-conditional regression analysis showed that the longer service length with exposure to occupational hazard factors,the more working days per week,the lower job contents and technical decisionmaking power,the higher the occupational stress with effort-reward imbalance,and the higher the depression and the higher the risk of OMD( P < 0. 05). CONCLUSION: Occupational stress and depression are both risk factors of OMD in coal miners.