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Analysis of Factors Affecting Radiation Knowledge among Aircrew

항공 승무원의 방사선 지식에 영향을 미치는 요인 분석

  • Shin, Hyeongho (Graduate School of Urban Public Health, University of Seoul) ;
  • Park, Sangshin (Graduate School of Urban Public Health, University of Seoul)
  • 신형호 (서울시립대학교 도시보건대학원) ;
  • 박상신 (서울시립대학교 도시보건대학원)
  • Received : 2020.01.14
  • Accepted : 2020.02.10
  • Published : 2020.02.29

Abstract

Objectives: This study identified factors impacting radiation knowledge among aircrew, who are affected by cosmic radiation exposure due to their occupational environment. Methods: In September 2019 we conducted an online survey of aircrew through a Google link. We evaluated the level of radiation knowledge using a ten-item (10 points) questionnaire. The following exploratory variables were evaluated in relationship with the level of radiation knowledge using univariable linear regression models: sex, age, duration of employment, position level, company, marriage, education level, personal/family history of disease, and the number of times acquiring information on radiation through various channels (internet searching, watching television, reading newspaper, conversation about radiation with aircrew/non-aircrew, in-house training). With a p of 0.2 in univariable models, we built a multivariable linear regression model using a stepwise selection method. Results: The average radiation knowledge score of the 356 respondents was 7.22. Univariable linear regression analysis showed that radiation knowledge of the aircrew was associated with their company, position level, age, and number of conversations with other aircrew members. Our multivariable model showed that the radiation knowledge level of aircrew decreased as they had more conversations about radiation with other aircrew members and as their age increased. Conclusions: Korean air crew showed a lower level of radiation knowledge as their age and the number of conversations with colleagues increased. The study suggests that more education is needed in order for aircrew to gain accurate radiation knowledge.

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