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KMID : 0355420140380030170
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Journal of Korean Academy of Oral Health
2014 Volume.38 No. 3 p.170 ~ p.175
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Validity and reliability of a questionnaire for evaluating periodontal disease
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Jin Hye-Jung
Bae Kwang-Hak
Kim Jin-Bom
Park Deok-Young
Jeong Seong-Hwa
Kim Baek-Il
Jeong Seung-Hwa
Im Sang-Uk
Choi Youn-Hee
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Abstract
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Objectives: The purpose of this study was to develop a self-administered questionnaire survey to de-termine 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 self-administered 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.
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KEYWORD
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Periodontal disease, Questionnaire, Reliability, Validity
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