Journal of Korean Society of Occupational and Environmental Hygiene (한국산업보건학회지)

Korean Industrial Hygiene Association (한국산업보건학회)
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Effects of Working Postures on Headache/Eye Strain in Korean Waged Workers: The 5th Working Condition Survey(2017)

근무자세가 두통/눈의 피로에 미치는 영향: 제5차 2017년 근로환경조사

  • Kim, You Hyun (Department of Medicine, Yonsei University Wonju College of Medicine) ;
  • Koh, Seokjae (Department of Medicine, Yonsei University Wonju College of Medicine) ;
  • Cho, Kyung Min (Department of Medicine, Yonsei University Wonju College of Medicine) ;
  • Chae, Jinkyeong (Department of Medicine, Yonsei University Wonju College of Medicine) ;
  • Oh, Hyun Jung (Department of Occupational & Environmental Medicine, Yonsei University Wonju College of Medicine) ;
  • Chang, Sei-Jin (Department of Preventive Medicine, Institute of Occupational & Environmental Medicine, Yonsei University Wonju College of Medicine)
  • 김유현 (연세대학교 원주의과대학 의학과) ;
  • 고석재 (연세대학교 원주의과대학 의학과) ;
  • 조경민 (연세대학교 원주의과대학 의학과) ;
  • 채진경 (연세대학교 원주의과대학 의학과) ;
  • 오현정 (연세대학교 원주의과대학 직업환경의학과) ;
  • 장세진 (연세대학교 원주의과대학 예방의학교실, 직업환경의학연구소)
  • Received : 2022.02.20
  • Accepted : 2022.05.06
  • Published : 2022.06.30
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Abstract

Objectives: The aim of this study was to examine the association of working posture with headache/eye strain in Korean waged workers. Methods: Data were collected from the 5th Korean Working Condition Survey. A total of 30,955 workers participated in this study. A four-items of working postures were measured using a 7-point Likert scale, and we categorized them into three groups ('normal', 'moderate', and 'severe') each 4 items. Headache/eye strain were measured using a self-administrative questionnaire ('yes' vs. 'no'). To examine the relationship between the total working postures score and headache/eye strain, we summed a 4-items of working postures. It was categorized into five groups according to the severity of exposures('normal', 'mild', 'moderate', 'severe', and 'very severe'). The multivariate logistic regression analysis was performed using the IBM SPSS(Ver. 25), and a p<.05 was considered significant. Results: The results show that 'fatiguing and painful posture' and 'posture repetitively using hands or arms' were associated with headache/eye strain after controlling for control variables. The total working posture score was positively associated with headache/eye strain. People with higher levels of the total working posture score were more likely to increase the risk of headache/eye strain compared to those of normal(OR: 1.844, 95% CI: 1.549~2.195 for 'mild'; OR: 2.564, 95% CI: 2.152~3.503 for 'moderate'; OR: 4.140, 95% CI: 3.432~4.994 for 'severe'; OR: 7.613, 95% CI: 5.625~10.304 for 'very severe') (p<.05 for trend). Conclusions: These results indicate that inappropriate working postures might play a crucial role in developing headache/eye strain. It is needed to improve the working environment, especially focusing on reducing inappropriate working posture at the organizational level.

Keywords

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