Fatemeh Rajati, Behrooz Hamzeh, Yahya Pasdar, Roya Safari, Mehdi Moradinazar, Ebrahim Shakiba, Shahrzad Bazargan-Hejazi, Hossein Karim, Farid Najafi
Prevalence, awareness, treatment, and control of hypertension and their determinants: Results from the first cohort of non-communicable diseases in a Kurdish settlement
Scientific reports
accurate precise measures health literacy hl supportive health policy making tailoring health service design ensuring equitable access health services according research valid reliable unidimensional hl measurement instruments explicitly targeted young people yp scarce thus study aims assessing psychometric properties existing unidimensional instruments developing hl instrument suitable yp aged 1625 years applying hls19q47 computerassisted telephone interviews collected data representative sample comprising 890 yp aged 1625 years norway applying partial credit parameterization unidimensional rasch model polytomous data pcm confirmatory factor analysis cfa categorical variables evaluated psychometric properties short versions hls19q47 hls19q12 hls19sf12 hls19q12no new 12item short version measuring hl yp hls19yp12 suggested hls19q12 display sufficient fit pcm hls19sf12 sufficiently unidimensional relative pcm items hls19q12 hls19sf12 hls19q12no discriminated poorly participants high low locations underlying latent trait observed disordered response categories items hls19q12 hls19sf12 items hls19q12 hls19sf12 hls19q12no displayed either uniform nonuniform differential item functioning applying onefactorial cfa none aforementioned short versions achieved exact fit terms nonsignificant model chisquare statistic approximate fit terms srmr 080 entries 10 observed respective residual matrix newly suggested parsimonious 12item scale hls19yp12 displayed sufficiently fit pcm achieved approximate fit using onefactorial cfa compared parsimonious 12item short versions hls19q47 hls19yp12 superior psychometric properties unconditionally proved unidimensionality hls19yp12 offers efficient muchneeded screening tool use among yp likely useful application processes towards development evaluation health policy public health work well use clinical settings