Time series analysis of annual statistics of dental health checkup for 3-year-olds. 3. Relations between community characteristics and regionsal differences of dental health in 3-year-olds.

DOI 4 Citations
  • TAKAHASHI Fumie
    Department of Preventive Dentistry, Iwate Medical University School of Dentistry
  • KATAYAMA Tsuyoshi
    Department of Preventive Dentistry, Iwate Medical University School of Dentistry
  • OSADA Kohko
    Department of Preventive Dentistry, Iwate Medical University School of Dentistry

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Other Title
  • ３歳児歯科健康診査成績の時系列解析　ＩＩＩ　　３歳児歯科保健水準の地域格差と社会特性指標の関連性
  • 3. Relations between Community Characteristics and Regional Differences of Dental Health in 3-year-olds
  • 3. 3歳児歯科保健水準の地域格差と社会特性指標の関連性

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Abstract

Relations between regional differences in dental caries prevalence in 3-year-old Japanese children and some community characteristics possibly related to the dental health status were studied using multivariate analysis. A total of 31 community socio-economical, cultural, and health indices of each prefecture were employed to qualify the prefectural characteristics by means of factor and cluster analysis. Five common factors were closely related to prefectural differences and 47 prefectures were divided into three areas. One of these areas connected with high caries prevalence among 3-year-olds was the rural area, which was associated with specific indices such as gross agricultural products and ratio of persons employed in the primary industry. Our investigation clearly showed that high caries prevalence among 3-year-old Japanese children is coincident with ruralization (multiple regression coefficient R=0.849, p<0.01).

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