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진혜정 ( Hye Jung Jin ),김백일 ( Beak Il Kim ),박덕영 ( Deok Young Park ),정성화 ( Seong Hwa Jeong ),배광학 ( Kwang Hak Bae ),김진범 ( Jin Bom Kim ),정승화 ( Seung Hwa Jeong ),이혜린 ( Hye Rin Lee ),우경지 ( Gyeong Ji Woo ),최연희 대한예방치과·구강보건학회 2015 大韓口腔保健學會誌 Vol.39 No.1
Objectives: The present study aimed to evaluate the validity of a set of self-reported questionnaires for periodontitis for estimating the prevalence of chronic adult periodontitis in the Korean population. Methods: The questionnaire is comprised of a total of 14 questions with four summarized concepts including self-diagnosis of oral status, subjective signs related to oral health, smoking and drinking status, and use of auxiliary oral hygiene devices including scaling. The predictiveness of the measures from these self-reported questions was assessed by logistic regression modeling using receiver operating characteristic (ROC) statistics, sensitivity, and specificity. Results: The sensitivity, specificity, and AUC including all questions were 0.571, 0.768, and 0.781, respectively; the sum of sensitivity and specificity was 1.34. To gain robustness, a simplified predictive model was built with six questions. Its results were 0.536, 0.817, and 0.762 for sensitivity, specificity, and AUC, respectively. The sum of sensitivity and specificity was found to be 1.35. Conclusions: The self-reported questionnaire for periodontitis showed considerable validity, but further study is required to provide optimal validity and predictability.
치주질환상태 측정을 위한 자기기입식 설문도구의 타당성과 신뢰성
진혜정 ( Hye Jung Jin ),배광학 ( Kwang Hak Bae ),김진범 ( Jin Bom Kim ),박덕영 ( Deok Young Park ),정성화 ( Seong Hwa Jeong ),김백일 ( Beak Il Kim ),정승화 ( Seung Hwa Jeong ),임상욱 ( Sang Uk Im ),최연희 ( Youn Hee Choi ) 대한예방치과·구강보건학회 2014 大韓口腔保健學會誌 Vol.38 No.3
Objectives: The purpose of this study was to develop a self-administered questionnaire survey to determine its validity and reliability as well as to improve the instructions for measurement of periodontal disease during oral examination for reliably calculating the prevalence of periodontal disease. Methods: The data obtained was analyzed using SPSS 20.0 and the WINSTEPS program that employs the Rasch model to evaluate validity and reliability of the instrument. Results: We developed a self-administered questionnaire survey consisting of 14 questions based on NHANES. We confirmed the reliability by testing and re-testing the questionnaire survey using selfadministered methods. The average Kappa index obtained was 0.73, which indicated a relatively high reliability. Conclusions: Reliability and validity of the self-administered assessment tool for periodontal disease developed for the local situation/circumstances of Korea is suitable to be applied for oral examination of a large population. Moreover, the questionnaire survey for periodontal disease could be used to acquire data for constructing a database for oral health policy development.