Journal of Environmental Health Sciences (한국환경보건학회지)

Korean Society of Environmental Health (한국환경보건학회)
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Analysis of the Accuracy and Related Factors of Self-Reported Smoking Status according to Urinary Cotinine Concentration in Adolescents: The KoNEHS Cycle (2015~2017)

소변 중 코티닌 농도에 따른 청소년의 자가보고 흡연 상태의 정확도 및 관련요인 분석: 제3기(2015~2017) 국민환경보건 기초조사

  • Jung, Sunkyoung (Graduate School of Urban Public Health, University of Seoul) ;
  • Park, Sangshin (Graduate School of Urban Public Health, University of Seoul)
  • 정선경 (서울시립대학교 도시보건대학원) ;
  • 박상신 (서울시립대학교 도시보건대학원)
  • Received : 2022.07.11
  • Accepted : 2022.08.20
  • Published : 2022.08.31
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Abstract

Background: The amount of smoking in adolescence increases with a younger age of smoking initiation and affects physical health. To establish and evaluate smoking-related policies, it is important to determine actual smoking status. Validation of self-reported questionnaires can identify the accuracy of the questionnaire data reflecting smoking status. Objectives: The purpose of this study was to evaluate the validity of self-reported smoking status and identify factors affecting the accuracy of self-reported smoking in South Korean adolescents. Methods: This study investigated the consistency between cotinine concentrations and self-reported questionnaire data through the analysis of urine samples collected from 922 adolescents aged 13~18 among the participants of Cycle 3 of the Korean National Environmental Health Survey. Smoking status was classified using the cotinine cut-off point of 39.85 ㎍/L in adolescents, and factors affecting the accuracy were analyzed through multiple logistic regression analysis. Results: The smoking rates according to the self-reported questionnaire and cut-off point-based cotinine concentrations among adolescents were 3.1% and 5.1%, respectively. The results found 97.1% consistency between self-reported smokers and smokers according to cotinine concentration. Factors affecting the discrepancy showed a significant relationship, including gender, secondhand smoke, and use of e-cigarettes. Conclusions: The results can be used as basic data to establish a smoking policy for adolescents through continuous monitoring and improvement of questionnaire items of factors affecting the discrepancy.

Keywords

Acknowledgement

이 논문은 환경부 국립환경과학원 제3기 국민환경보건 기초조사(NIER-2017-01-01-001) 자료를 받아 수행하였음.

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