Chewing function impacts oral health-related quality of life among institutionalized and community-dwelling Korean elders

Hae-Young Kim, Moon Sung Jang, Chong Pyoung Chung, Dai Il Paik, Yong Duk Park, Lauren L. Patton, Young Ku

Research output: Contribution to journalArticle

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Abstract

Objective The aim of this study was to assess the association of chewing ability to oral health-related quality of life (OHRQoL) measured by the Oral Health Impact Profile-14 (OHIP-14) controlling for clinical oral health status, self-reported health status, demographic factors, and socioeconomic conditions among community-dwelling and institutionalized Korean elders. Methods This cross-sectional study comprised a sample of 307 community-dwelling and 102 institutionalized people over the age of 60, using a cluster sampling procedure. A questionnaire was implemented and a clinical oral examination was completed for each subject. The outcome variable of interest was the OHIP-14 score, and its associations with chewing ability, objective oral health status, self-reported health status, demographic factors, and socioeconomic conditions were assessed. Because of highly-skewed distribution of the OHIP-14 scores, nonparametric analytic methods were used. The final model was developed using a multivariable two-level logistic regression model for a dichotomized OHIP-14 score to account for the cluster sampling method applied to this study. Results The mean age of the participants was 75.4 years, with 67.7% being women. The median OHIP-14 score was 7. Negative oral health impacts were experienced fairly often or very often by a total of 36.4% of elderly. In the final model, elders who could chew none to three and four to six foods among seven indicator foods were 3.4 (P = 0.010) and 2.0 (P = 0.040) times more likely, respectively, to have worse OHRQoL compared with elders who could chew all seven food types. Also significant associations with worse OHRQoL were shown for being concerned about oral health [Odds Ratio (OR) = 4.9, P = 0.002], fair or better self-reported oral health (OR = 0.12, P = 0.002), very good/good self-reported general health (OR = 0.38, P = 0.008), being married (OR = 2.0, P = 0.054), and having a favourable economic status (OR = 0.43, P = 0.042). Conclusions This study showed highly significant association between chewing ability and OHRQoL measured by the OHIP-14 score after controlling for related factors. Amelioration of chewing ability might independently contribute to improving the OHRQoL of elders.

Original languageEnglish
Pages (from-to)468-476
Number of pages9
JournalCommunity Dentistry and Oral Epidemiology
Volume37
Issue number5
DOIs
Publication statusPublished - 2009 Oct 1
Externally publishedYes

Fingerprint

Independent Living
Mastication
Oral Health
Quality of Life
Odds Ratio
Health Status
Food
Logistic Models
Demography
Oral Diagnosis

Keywords

  • Chewing ability
  • Oral health impact profile
  • Oral health-related quality of life
  • Quality of life
  • Tooth loss

ASJC Scopus subject areas

  • Dentistry(all)
  • Public Health, Environmental and Occupational Health

Cite this

Chewing function impacts oral health-related quality of life among institutionalized and community-dwelling Korean elders. / Kim, Hae-Young; Jang, Moon Sung; Chung, Chong Pyoung; Paik, Dai Il; Park, Yong Duk; Patton, Lauren L.; Ku, Young.

In: Community Dentistry and Oral Epidemiology, Vol. 37, No. 5, 01.10.2009, p. 468-476.

Research output: Contribution to journalArticle

Kim, Hae-Young ; Jang, Moon Sung ; Chung, Chong Pyoung ; Paik, Dai Il ; Park, Yong Duk ; Patton, Lauren L. ; Ku, Young. / Chewing function impacts oral health-related quality of life among institutionalized and community-dwelling Korean elders. In: Community Dentistry and Oral Epidemiology. 2009 ; Vol. 37, No. 5. pp. 468-476.
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