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The Relationship Study between Cumulative Fatigue and Stress of Seafarers by Evaluating Autonomic Nervous Functions and Survey Studies

선원의 자율신경 기능평가에 의한 누적피로도 및 스트레스와 조사연구 사이의 관련성 연구

  • 김병조 (동의대학교 물리치료학과) ;
  • 이정훈 (동의대학교 물리치료학과) ;
  • 이수경 (동의대학교 물리치료학과) ;
  • 권해연 (동의대학교 물리치료학과) ;
  • 권영태 (한국해양수산연수원) ;
  • 박용선 (한국해양수산연수원) ;
  • 채병근 (한국해양수산연수원)
  • Received : 2018.11.22
  • Accepted : 2018.12.14
  • Published : 2018.12.30

Abstract

Purpose : The purpose of this study has been performed to find the relationship between seafarers' cumulative fatigue and stress by evaluating autonomic nervous functions and the results of surveys conducted using questionnaires. Methods : The subjects were seafarers working on various ships (home trade ships) of South Korea, who were healthy adults without any diseases, as confirmed through preliminary surveys were recruited through simple random sampling. A device that measures autonomic nervous functions by analyzing heart rate variability, which is also used often in clinical diagnoses and studies at universities, university hospitals, and general hospitals was used to measure the seafarers' cumulative fatigue and stress. Pearson's correlation analyses were also conducted to test the relationship between cumulative fatigue and stress measured by evaluating autonomic nervous functions and the results of surveys conducted with questionnaires. Results : There was no correlation between mean cumulative fatigue measured for each ship type and seafarers position through autonomic nervous functions evaluation and fatigue severity scale (FSS). There also was no correlation between the mean levels of stress measured for each ship type and seafarers position through autonomic nervous functions evaluation and survey scores of Korean occupational stress scale (KOSS). Conclusion : Therefore, in order to prevent man-made accidents in the sea among seafarers working with irregular port entry/departure schedules and under environments involving continued vibration, noises, and shaking, it is necessary to analyzed cumulative fatigue and stress scientifically and objectively, such as through autonomic nervous functions evaluation rather than through surveys.

Keywords

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