Dear Editor,We were delighted to read the letter by Mansori and Safiri commenting on our recently published article in Geriatrics & Gerontology International. The items we used to construct the Geriatric Self‐Efficacy Scale for Oral Health (GSEOH) are independent from those we used to confirm external validity, which have been used in previous studies. Therefore, we believe that this will not lead to over‐optimistic estimates. As Mansori and Safiri noted, the interval validity of the GSEOH should be improved if we use independent datasets for constructing and confirmation. The participants were divided into two groups according to computer‐generated random numbers. The factor loadings for the one‐group GSEOH (0.59–0.99) nearly matched those in our recently published article, and the internal consistency (Cronbach's alpha) was 0.925. Cronbach's alpha for the three subscales of oral function, oral hygiene habits and dental visits were similarly high: 0.882, 0.883 and 0.962, respectively. The results of the confirmatory factor analysis using the two‐group GSEOH are shown in Figure . The content of the three GSEOH subscales is consistent with the exploratory factor analysis model. The goodness‐of‐fit indices show that the model is acceptable (χ2 = 423, df = 167, P < 0.001, χ2/df = 2.5,
Geriatrics & Gerontology International – Wiley
Published: Jan 1, 2018
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