J Korean Acad Oral Health.  2018 Sep;42(3):77-83. 10.11149/jkaoh.2018.42.3.77.

Comparison of EQ-5D and OHIP-14 sub-dimensions for measuring oral health-related quality of life

Affiliations
  • 1Deparment of Social and Humanity in Dentistry, WonKwang University School of Dentistry, Iksan, Korea. shinhosung@gmail.com
  • 2Deparment of Dental Hygeine, Kyungbok University, Pocheon, Korea.

Abstract

OBJECTIVES: Oral-specific measures are often preferred for examining oral disease outcomes; however, generic measures can add additional important information. This study measured oral health-related quality of life, reflecting the multidimensional characteristics of oral health, and we compared sub-dimensions of the Oral Health Impact Profile 14 (OHIP-14) with the EuroQual-5D (EQ-5D).
METHODS
Data from 305 patients were collected from patients who visited the dental university hospital in 2016-2017 and included EQ-5D, OHIP-14, and self-rated general/oral health questionnaires. A factor analysis was performed to identify sub-dimensions of the EQ-5D and OHIP-14, and a cluster analysis was conducted to examine the degree of overlap among the sub-dimensions of two measures.
RESULTS
In the factor analysis, a range of OHIP-14 items (physical pain, physical disability, and handicap) loaded on factor 3, along with EQ-5D items. In the analysis of groups with relatively low oral qualities of life, moving from the bottom towards the top of the dendrogram, the next major branch split was the dimension of EQ-5D pain/discomfort, anxiety/depression items, which clustered between the OHIP-14 interrupted meal and difficult relaxing subscales.
CONCLUSIONS
The results of this study suggest that using the EQ-5D for oral health status expends the complementary role of oral health-related quality of life measures.

Keyword

EQ-5D; OHIP-14; Oral health related Quality; Validity
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