Psychometric Properties of the Brazilian Version of GOHAI among Community-Dwelling Elderly People

Mario Vianna Vettore (), Maria Augusta Bessa Rebelo, Janete Maria Rebelo Vieira, Evangeline Maria Cardoso, Dina Birman and Anna Thereza Thomé Leão
Additional contact information
Mario Vianna Vettore: Department of Health and Nursing Sciences, University of Agder (UiA), Universitetsveien 25, 4630 Kristiansand, Norway
Maria Augusta Bessa Rebelo: Faculty of Dentistry, Federal University of Amazonas, Av. Ministro Waldemar Pedrosa, 1539, Praça 14 de Janeiro, Manaus 69025-050, Brazil
Janete Maria Rebelo Vieira: Faculty of Dentistry, Federal University of Amazonas, Av. Ministro Waldemar Pedrosa, 1539, Praça 14 de Janeiro, Manaus 69025-050, Brazil
Evangeline Maria Cardoso: School of Health Sciences, State University of Amazonas, Avenida Carvalho Leal—1777, Manaus 69065-001, Brazil
Dina Birman: Faculty of Dentistry, Federal University of Amazonas, Av. Ministro Waldemar Pedrosa, 1539, Praça 14 de Janeiro, Manaus 69025-050, Brazil
Anna Thereza Thomé Leão: Department of Dental Clinic, Division of Periodontics, School of Dentistry, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-617, Brazil

IJERPH, 2022, vol. 19, issue 22, 1-14

Abstract: This study assessed the psychometric properties of the Brazilian version of the Geriatric Oral Health Assessment Index (GOHAI). A representative sample of 613 community-dwelling elderly people aged from 65 to 74 years was selected. Sociodemographic data, GOHAI and self-perceived oral health measures were collected. Dental clinical measures were obtained through oral examinations. The dimensional structure and adequacy of components were assessed using Confirmatory Factor Analysis (CFA), inter-item correlations and item–scale correlations. Reliability was evaluated by internal consistency and Intraclass Correlation Coefficients. Correlations between GOHAI scores and self-reported oral health measures were conducted to assess convergent validity. The relationship between dental clinical measures and GOHAI was tested through Poisson Regression to examine discriminant validity. The link between GOHAI items and dimensions was supported by CFA. Item 12 showed a poor factor loading. The inter-item correlations varied from 0.047 to 0.442, and item–scale correlations ranged from 0.305 to 0.612. Cronbach’s alpha was 0.704. The test–retest correlation for GOHAI was 0.882. GOHAI scores were correlated by self-rated oral health measures. Poor dental clinical measures were associated with GOHAI. The Brazilian version of GOHAI showed adequate psychometric properties. However, the weak dimensional structure of GOHAI suggests the need to perform cross-cultural adaptation of GOHAI for Brazilian elderly people.

Keywords: psychometrics; oral health; quality of life; aged (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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