Exploratory Factor Analysis of Factors Leading to Regular Checkups by Family Dentists among Community-dwelling Inhabitants

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  • MOTOI Toshihiro
    Department of Preventive Dentistry, Kagoshima University Graduate School of Medical and Dental Sciences
  • NAKANO Yu
    Division of Preventive Dentistry, Kagoshima University Hospital
  • NISHIYAMA Takeshi
    Department of Preventive Dentistry, Kagoshima University Graduate School of Medical and Dental Sciences
  • NAGATA Emi
    Division of Preventive Dentistry, Kagoshima University Hospital
  • YAMAGUCHI Taihei
    Department of Preventive Dentistry, Kagoshima University Graduate School of Medical and Dental Sciences
  • OHO Takahiko
    Department of Preventive Dentistry, Kagoshima University Graduate School of Medical and Dental Sciences

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  • 地域住民におけるかかりつけ歯科医による定期検診の受診要因についての因子探索研究
  • チイキ ジュウミン ニ オケル カカリ ツケ シカイ ニ ヨル テイキ ケンシン ノ ジュシン ヨウイン ニ ツイテ ノ インシ タンサク ケンキュウ

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Abstract

<p> According to the 2016 Japanese National Health and Nutrition Survey, 52.9% of people over 20 years of age attend dental checkups in the past year. The goal of the Second Health Japan 21 is to increase this rate to over 65%, but this goal has yet to be achieved. This study enrolled 366 people (183 males, 183 females; average age: 64.6 years) who underwent dental examinations in Osaki, Soo District, Kagoshima Prefecture during 2016–17. Exploratory factor analysis was performed to identify factors leading to regular checkups by family dentists. From the results of a self-completed questionnaire and dental examination, we extracted combinations of factors using decision tree analysis, a data mining method, and evaluated their effects using the χ2-test. This showed that oral hygiene treatment within a year, sex, and use of interdental cleaning adjuncts were three important factors influencing the decision to attend regular dental checkups. This suggests that dentists should instruct patients to visit a dental office for oral hygiene treatment at least once a year and to use interdental cleaning tools at least 3 days a week to improve the rate of dental checkups. Encouraging men to undergo regular dental checkups was suggested to be more effective.</p>

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