The purpose of this study was to provide basic information to prevent these by performing ergonomic evaluations and symptom surveys of the risk of work-related musculoskeletal disorders on a cosmetic manufacture workers. A questionnaire was answered by 232 workers included 71 male and 161 female eng...
The purpose of this study was to provide basic information to prevent these by performing ergonomic evaluations and symptom surveys of the risk of work-related musculoskeletal disorders on a cosmetic manufacture workers. A questionnaire was answered by 232 workers included 71 male and 161 female engaged in packing and other process to analyze their symptoms of those. It was also measured for ergonomic assessment such as posture by REBA (Rapid Entire Body Assessment) and RULA (Rapid Limb Upper Assessment) on those of cosmetic worker. In order to analyze that effects of work-related musculoskeletal pain by each part of the human body on cosmetic workers were set that general characteristics and work related factors were independent variables and occurrences of pain were dependent variables. For cosmetic workers, stepwise multiple logistic regression analysis showed that the occurrence of neck area was positively related with the physical burden (OR: 2.848, 95% CI: 1.519-5.341) that those of shoulder area was positively related with gender (OR: 3.513, 95% CI: 1.363-9.056), vibration (OR: 1.890, 95% CI: 1.067-3.346), stress (OR: 1.929, 95% CI: 1.177-3.162) and physical burden (OR: 2.056, 95% CI: 1.194-3.354), respectively. However, there was significantly negatively related with age (OR: 0.955, 95% CI: 0.921-0.991). It was also found that those of arm and elbow area was positively related with stress (OR: 2.095, 95% CI: 1.109-3.959) that those of hand, wrist and finger area was positively related with stress (OR: 2.211, 95% CI: 1.123-3.971) and physical burden (OR: 1.373, 95% CI: 2.011-7.752). It was moreover found that those of waist area was positively or negatively related with physical burden (OR: 0.913, 95% CI: 0.873-0.955) and age (OR: 2.579, 95% CI: 1.418-4.690). It was besides showed that those of leg and foot area was positively related with gender (OR: 26.492 95% CI: 3.062-29.174) and age (OR: 0.930, 95% CI: 0.887-0.974), respectively. But there was negatively related with physical burden (OR: 2.302, 95% CI: 1.185-4.471). In addition, the REBA of packing process in women workers was significantly different than those of other process (p<0.01). In conclusion, gender, age, vibration, stress and physical burden was affect on work-related musculoskeletal pain. It is, therefore, necessary to develop preventive measures against the work-related musculoskeletal disorders taking into account those factors, and particularly to provide worktables or work areas suitable for female workers' body dimensions in the workplace. In addition, rotation by process or job should be made to prevent young workers from being fixed at a heavy job. It is also required to lower the effects of the work-related factors, such as physical burden, as the increase in the vibration at work, the stress in repetitive works, and the intensity of work.
The purpose of this study was to provide basic information to prevent these by performing ergonomic evaluations and symptom surveys of the risk of work-related musculoskeletal disorders on a cosmetic manufacture workers. A questionnaire was answered by 232 workers included 71 male and 161 female engaged in packing and other process to analyze their symptoms of those. It was also measured for ergonomic assessment such as posture by REBA (Rapid Entire Body Assessment) and RULA (Rapid Limb Upper Assessment) on those of cosmetic worker. In order to analyze that effects of work-related musculoskeletal pain by each part of the human body on cosmetic workers were set that general characteristics and work related factors were independent variables and occurrences of pain were dependent variables. For cosmetic workers, stepwise multiple logistic regression analysis showed that the occurrence of neck area was positively related with the physical burden (OR: 2.848, 95% CI: 1.519-5.341) that those of shoulder area was positively related with gender (OR: 3.513, 95% CI: 1.363-9.056), vibration (OR: 1.890, 95% CI: 1.067-3.346), stress (OR: 1.929, 95% CI: 1.177-3.162) and physical burden (OR: 2.056, 95% CI: 1.194-3.354), respectively. However, there was significantly negatively related with age (OR: 0.955, 95% CI: 0.921-0.991). It was also found that those of arm and elbow area was positively related with stress (OR: 2.095, 95% CI: 1.109-3.959) that those of hand, wrist and finger area was positively related with stress (OR: 2.211, 95% CI: 1.123-3.971) and physical burden (OR: 1.373, 95% CI: 2.011-7.752). It was moreover found that those of waist area was positively or negatively related with physical burden (OR: 0.913, 95% CI: 0.873-0.955) and age (OR: 2.579, 95% CI: 1.418-4.690). It was besides showed that those of leg and foot area was positively related with gender (OR: 26.492 95% CI: 3.062-29.174) and age (OR: 0.930, 95% CI: 0.887-0.974), respectively. But there was negatively related with physical burden (OR: 2.302, 95% CI: 1.185-4.471). In addition, the REBA of packing process in women workers was significantly different than those of other process (p<0.01). In conclusion, gender, age, vibration, stress and physical burden was affect on work-related musculoskeletal pain. It is, therefore, necessary to develop preventive measures against the work-related musculoskeletal disorders taking into account those factors, and particularly to provide worktables or work areas suitable for female workers' body dimensions in the workplace. In addition, rotation by process or job should be made to prevent young workers from being fixed at a heavy job. It is also required to lower the effects of the work-related factors, such as physical burden, as the increase in the vibration at work, the stress in repetitive works, and the intensity of work.
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