Min Shen|Ming Hu|Siyun Liu|Ying Chang|Zhaoqing Sun
Assessment of the Chinese Resident Health Literacy Scale in a population-based sample in South China
Central South University|Ottawa Hospital|Central South University|Central South University|Central South University|Central South University
national health literacy scale developed china 2012 though studies validated investigation assessed reliability construct validity measurement invariance scalea populationbased sample 3731 participants hunan province used validate chinese resident health literacy scale based item response theory classical test theory including splithalf coefficient cronbachs alpha confirmatory factor analysis measurement invariance examined differential item functioningthe overall cronbachs alpha scale 095 spearmanbrown coefficient 094 confirmatory factor analysis showed test measured unidimensional construct three highly correlated factors highest discrimination found among participants limited moderate health literacy 64 items selected original scale based factor loading pearsons correlation coefficient discrimination difficulty parameters item response theory measurement invariance significant slight according twolevel linear model health literacy associated education level occupation incomethe 2012 national health literacy scale validated 64 items selected based classical test theory item response theory revised version scale strong psychometric properties minor measurement invariance