ArticleHealth literacy research and practice2022
Development of an Instrument to Measure Dietary Supplement Health Literacy.
Article in Health literacy research and practice, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundHealth literacy is one of the important social determinants of health.
objectiveThe aim of this study was to develop an instrument to measure Dietary Supplement Health Literacy (DSHL) of Iranian women.
methodsIn this psychometrics study, an initial nine-factor instrument was developed. Face validity and content validity of the instrument were evaluated. The factor structure of the instrument was explored by the Exploratory Factor Analysis (EFA) among 400 women taking Dietary supplement. Confirmatory Factor Analysis (CFA) was done to determine the underlying factor structure of the instrument in this population. The internal and external reliability of the instrument was evaluated. KEY
resultsAccording to expert panel opinions, 16 items were deleted. The results of the EFA showed that the Kaiser-Meyer-Olkin and Bartlett's test of sphericity were significant. EFA showed that 30 items could be grouped into nine factors that accounted for 60.84% of the variance. Since two items in the ability to actively engage with health care providers factor were loaded in factor 1, this factor was labeled
conclusionsThe results of the study showed that the instrument developed was a valid tool for identifying the DSHL of Iranian women. [
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