Structural equation modeling to detect predictors of oral health-related quality of life among Japanese university students: a prospective cohort study

Hikari Saho, Daisuke Ekuni, Kota Kataoka, Ayano Tabata, Naoki Toyama, Yoshio Sugiura, Md Monirul Islam, Yoshiaki Iwasaki, Manabu Morita

Research output: Contribution to journalArticle

Abstract

Purpose: This prospective cohort study of Japanese university students aimed to identify factors that might affect oral health-related quality of life (OHRQoL) and longitudinal relationships over a period of 3 years. Methods: Students (n = 487) provided complete data before entering and 3 years later (before university graduation) participated in the present study. Decayed, missing, and filled teeth (DMFT) scores, community periodontal index, ratios (%) of teeth with bleeding on probing, and malocclusion were determined during oral examinations. The questionnaire addressed age, sex, self-rated oral health, oral health behavior, subjective oral symptoms, and OHRQoL determined using the oral health impact profile (OHIP)-14. Associations were analyzed using structural equation modeling (SEM). Results: The OHRQoL significantly worsened according to OHIP-14 total score (p = 0.001). The final model in the symptoms of SEM analysis showed that OHRQoL at follow-up positively correlated with OHRQoL at baseline. Self-rated oral health was directly associated with the OHRQoL at baseline (p < 0.05). Conclusions: This study determined that OHRQoL at baseline was a direct predictor, and that self-rated oral health were indirect predictors of OHRQoL at follow-up among Japanese university students.

Original languageEnglish
JournalQuality of Life Research
DOIs
Publication statusPublished - Jan 1 2019

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Oral Health
Cohort Studies
Quality of Life
Prospective Studies
Students
DMF Index
Periodontal Index
Oral Diagnosis
Malocclusion
Health Behavior
Tooth

Keywords

  • Cohort study
  • Oral health-related quality of life
  • Self-rated oral health
  • Structural equation modeling
  • The oral health impact profile-14

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

Cite this

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title = "Structural equation modeling to detect predictors of oral health-related quality of life among Japanese university students: a prospective cohort study",
abstract = "Purpose: This prospective cohort study of Japanese university students aimed to identify factors that might affect oral health-related quality of life (OHRQoL) and longitudinal relationships over a period of 3 years. Methods: Students (n = 487) provided complete data before entering and 3 years later (before university graduation) participated in the present study. Decayed, missing, and filled teeth (DMFT) scores, community periodontal index, ratios ({\%}) of teeth with bleeding on probing, and malocclusion were determined during oral examinations. The questionnaire addressed age, sex, self-rated oral health, oral health behavior, subjective oral symptoms, and OHRQoL determined using the oral health impact profile (OHIP)-14. Associations were analyzed using structural equation modeling (SEM). Results: The OHRQoL significantly worsened according to OHIP-14 total score (p = 0.001). The final model in the symptoms of SEM analysis showed that OHRQoL at follow-up positively correlated with OHRQoL at baseline. Self-rated oral health was directly associated with the OHRQoL at baseline (p < 0.05). Conclusions: This study determined that OHRQoL at baseline was a direct predictor, and that self-rated oral health were indirect predictors of OHRQoL at follow-up among Japanese university students.",
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author = "Hikari Saho and Daisuke Ekuni and Kota Kataoka and Ayano Tabata and Naoki Toyama and Yoshio Sugiura and Islam, {Md Monirul} and Yoshiaki Iwasaki and Manabu Morita",
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T1 - Structural equation modeling to detect predictors of oral health-related quality of life among Japanese university students

T2 - a prospective cohort study

AU - Saho, Hikari

AU - Ekuni, Daisuke

AU - Kataoka, Kota

AU - Tabata, Ayano

AU - Toyama, Naoki

AU - Sugiura, Yoshio

AU - Islam, Md Monirul

AU - Iwasaki, Yoshiaki

AU - Morita, Manabu

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N2 - Purpose: This prospective cohort study of Japanese university students aimed to identify factors that might affect oral health-related quality of life (OHRQoL) and longitudinal relationships over a period of 3 years. Methods: Students (n = 487) provided complete data before entering and 3 years later (before university graduation) participated in the present study. Decayed, missing, and filled teeth (DMFT) scores, community periodontal index, ratios (%) of teeth with bleeding on probing, and malocclusion were determined during oral examinations. The questionnaire addressed age, sex, self-rated oral health, oral health behavior, subjective oral symptoms, and OHRQoL determined using the oral health impact profile (OHIP)-14. Associations were analyzed using structural equation modeling (SEM). Results: The OHRQoL significantly worsened according to OHIP-14 total score (p = 0.001). The final model in the symptoms of SEM analysis showed that OHRQoL at follow-up positively correlated with OHRQoL at baseline. Self-rated oral health was directly associated with the OHRQoL at baseline (p < 0.05). Conclusions: This study determined that OHRQoL at baseline was a direct predictor, and that self-rated oral health were indirect predictors of OHRQoL at follow-up among Japanese university students.

AB - Purpose: This prospective cohort study of Japanese university students aimed to identify factors that might affect oral health-related quality of life (OHRQoL) and longitudinal relationships over a period of 3 years. Methods: Students (n = 487) provided complete data before entering and 3 years later (before university graduation) participated in the present study. Decayed, missing, and filled teeth (DMFT) scores, community periodontal index, ratios (%) of teeth with bleeding on probing, and malocclusion were determined during oral examinations. The questionnaire addressed age, sex, self-rated oral health, oral health behavior, subjective oral symptoms, and OHRQoL determined using the oral health impact profile (OHIP)-14. Associations were analyzed using structural equation modeling (SEM). Results: The OHRQoL significantly worsened according to OHIP-14 total score (p = 0.001). The final model in the symptoms of SEM analysis showed that OHRQoL at follow-up positively correlated with OHRQoL at baseline. Self-rated oral health was directly associated with the OHRQoL at baseline (p < 0.05). Conclusions: This study determined that OHRQoL at baseline was a direct predictor, and that self-rated oral health were indirect predictors of OHRQoL at follow-up among Japanese university students.

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