Shahla Ghanbari|Ali Ramezankhani|Ali Montazeri|Yadollah Mehrabi
Health Literacy Measure for Adolescents (HELMA): Development and Psychometric Properties
Shahid Beheshti University of Medical Sciences|Shahid Beheshti University of Medical Sciences|Iranian Institute for Health Sciences Research|Academic Center for Education, Culture and Research|Shahid Beheshti University of Medical Sciences
health literacy refers personal competencies access understanding appraisal application health information order make sound decisions everyday life aim study develop evaluate psychometric properties instrument measurement health literacy among adolescents health literacy measure adolescentshelmathis study made two phases qualitative quantitative carried 20122014 tehran iran qualitative part study indepth interviews 67 adolescents aged 1518 carried 4 high schools generate initial item pool survey content validity items assessed expert panel review n 13 face validity assessed interviewing adolescents n 16 quantitative part study order describe psychometric properties scale validity reliability internal consistency testretest factor analysis assessedan item pool made 104 items generated qualitative stage content validity considered decreased 47 items quantitative stage 582 adolescents aged 1518 participated study mean age 162 years 512 participants females principal component factor analysis 8 factors loaded accounted 5337 variance observed reliability approved 093 testretest scale twoweek intervals indicated appropriate stability scale icc 093 final questionnaire approved 44 items split eight sections sections titled gain access reading understanding appraise use communication selfefficacy numeracythe health literacy measure adolescents helma valid reliable tool measurement health literacy adolescents aged 1518 used evaluate different levels functional interactive critical health literacy adolescents