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Advisor(s)
Abstract(s)
To perform a validation of the Geriatric
Oral Health Assessment Index (GOHAI) for
complete denture wearers and present a proposal
for estimation of perceived oral health. This is a
cross-sectional study with non-probabilistic
sampling. A total of 211 subjects with a mean age
of 62 5 (s.d. = 11 4) years participated, being 169
female. The GOHAI was applied in a personal
interview. The construct/convergent/discriminant
validity was tested using structural equation
modelling. Confirmatory factor analysis was used
to verify the fit of three proposals of the GOHAI:
three-factor, one-factor and second-order
hierarchical models. The stability of the models
was evaluated in independent samples. The threefactor
model presented an inadequate fit, and
items 3, 4 and 9 were removed. The new structure
presented an acceptable fit and strong invariance
in independent samples. The convergent,
discriminant validity and internal consistency
were below adequate. The one-factor model
presented an adequate fit to the sample.
Convergent validity was compromised. A strong
invariance of the one-factor model was observed.
To calculate the overall scores of the GOHAI
factors (three-factor model) or of the oral health
perception (one-factor model), a matrix of
regression weights for each item in the model was
presented as a suggestion. We found an adequate
fit of the both structures of the GOHAI for denture
wearers, but the three-factor structure was more
parsimonious. We suggested considering the
weights of the regression model to calculate the
overall score of perceived oral health or of its
factors in different samples.
Description
Keywords
Oral health Psychometrics Validity of tests Denture Complete
Citation
Journal of Oral Rehabilitation, 42, 512-520. doi: 10.1111/joor.12279
Publisher
Wiley-Blackwell