Patricia M. Flynn|Mike T. John|Mohammad Mehdi Naghibi Sistani
Confirmation of the unidimensional structure of the Oral Health Literacy Adults Questionnaire
University of Minnesota|University of Minnesota|Babol University of Medical Sciences
oral health literacy adults questionnaire ohlaq designed test functional oral health literacy general populations exploratory analyses suggested unidimensional structure rather four constructs proposed reading comprehension numeracy listening decisionmaking purpose study conduct confirmatory analysis ohlaqa crosssectional study design used stratified multistage sampling strategy 22 districts tehran iran ohlaq administered verbally original persian language confirmatory analyses replicated previous exploratory analyses determine dimensionality internal consistency data randomly assigned two data sets item analyses performed test reliabilityevidence unidimensionality confirmed exploratory factor analysis could replicate previous results different population confirmatory factor analysis model fit indicators mixed chisquare results statistically significant standard root mean square residual srmr neared guideline values comparative fit index cfi tuckerlewis index tli meet recommended values root mean square error approximation rmsea well within standards score validity reliability adequatewhile findings overall support ohl measured using ohlaq considered unidimensional therefore ohl characterised one score dimensionality studies needed investigate populations ohl low