Validity of Self-Reported Height, Weight, and Body Mass Index of the Korea Youth Risk Behavior Web-Based Survey Questionnaire

배지석; 정효지; 김종연; 권경남; 김윤정; 박순우

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자료유형: 학술저널

저자정보: 배지석 정효지 김종연 권경남 김윤정 박순우

저널정보: 대한예방의학회 예방의학회지 예방의학회지 제43권 제5호

발행연도: 2010.1

수록면: 396 - 402 (7page)

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Objectives: Self-reported anthropometric values, such as height and weight, are used to calculate body mass index (BMI)and assess the prevalence of obesity among adolescents. The aim of this study was to evaluate the validity of selfreported height, weight, and BMI of the Korea Youth Risk Behavior Web-based Survey questionnaire. Methods: A convenience sample of 137 middle school students and 242 high school students completed a selfadministered questionnaire in 2008. Body height and weight were directly measured after self-reported values were obtained from the questionnaire survey. Sensitivity, specificity, and kappa statistics were computed in order to evaluate the validity of the prevalence of obesity (BMI ≥ 95th percentile or ≥25 kg/m2) based on self-reported data. Results: Self-reported weight and BMI tended to be underestimated. Self-reported height tended to be overestimated among middle school females and high school males. Obese adolescents tended to underestimate their weight and BMI and overestimate their height more than non-obese adolescents. The prevalence estimate of obesity based on selfreported data (10.6%) was lower than that based on directly measured data (15.3%). The estimated sensitivity of obesity based on self-reported data was 69.0% and the specificity was 100.0%. The value of kappa was 0.79 (95% confidence interval, 0.70 - 0.88). Conclusions: This study demonstrated that self-reported height and weight may lead to the underestimation of BMI and consequently the prevalence of obesity. These biases should be taken into account when self-reported data are used for monitoring the prevalence and trends of obesity among adolescents nationwide.

#Adolescent #Body height #Body mass index #Body weight #Reproducibility of results

참고문헌 (19)

참고문헌 신청

Brener ND / 2003 / Reliability and validity of self-reported height and weight among high school students / J Adolesc Health 32 (4) : 281 ~ 287

Eaton DK / 2008 / Youth risk behavior surveillance--United States, 2007 / MMWR Surveill Summ 57 (4) : 1 ~ 131

Elgar FJ / 2005 / Validity of self-reported height and weight and predictors of bias in adolescents / J Adolesc Health 37 (5) : 371 ~ 375

Gorber SC / 2007 / A comparison of direct vs. self-report measures for assessing height, weight and body mass index: a systematic review / Obes Rev 8 (4) : 307 ~ 326

Haskell WL / 2007 / Physical activity and public health: updated recommendation for adults from the American College of Sports Medicine and the American Heart Association /

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