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Validation of the Geriatric Oral Health Assessment Index in complete denture wearers
J A D B Campos1, M L Zucoloto1, R F Geremias2
1Departamento de Odontologia Social, Faculdade de Odontologia de Araraquara, Univ Estadual Paulista - UNESP, Araraquara, Brasil.
Journal of Oral Rehabilitation
|March 11, 2015
Summary
This study validated the Geriatric Oral Health Assessment Index (GOHAI) for denture wearers, suggesting a one-factor model for perceived oral health estimation. Regression weights offer a method for calculating overall scores.
Area of Science:
- Geriatric Dentistry
- Oral Health Assessment
- Prosthodontics
Background:
- The Geriatric Oral Health Assessment Index (GOHAI) is widely used but requires validation in specific populations.
- Complete denture wearers represent a significant demographic with unique oral health needs.
Purpose of the Study:
- To validate the GOHAI for complete denture wearers.
- To propose a method for estimating perceived oral health in this population.
Main Methods:
- Cross-sectional study with 211 complete denture wearers (mean age 62.5 years).
- Structural equation modeling and confirmatory factor analysis were used to test GOHAI models (three-factor, one-factor).
- Model stability was assessed in independent samples.
Main Results:
- A modified three-factor GOHAI model showed acceptable fit and strong invariance after item removal.
- A one-factor GOHAI model also demonstrated adequate fit and strong invariance.
- Convergent and discriminant validity were below adequate levels in both models.
Conclusions:
- Both one-factor and modified three-factor GOHAI structures are suitable for denture wearers.
- A regression weight matrix is proposed for calculating perceived oral health scores.
- The one-factor model is more parsimonious for estimating overall perceived oral health.
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