Guoying Huang, Yu Xie, Hongwei Xu
Cognitive Ability: Social Correlates and Consequences in Contemporary China
Chinese sociological review
widely accepted oral health status related oral health literacy need measure oral health literacy led development measurement instruments study aimed develop comprehensive instrument adults examine reliability validity china threestep design process used first literature review expert panel discussion used draw 37item pool covering oral health knowledge belief practice skill functional oral health literacy delphi method used delete modify questions item pool draft instrument evaluated nine experts consensus among calculated using content validity index scale used conduct psychometric study among 370 participants community health centers beijing construct validity discriminant validity concurrent validity examined cronbachs alpha coefficient testretest methods used assess reliability final scale included 30 items across four dimensions itemlevel content validity index 090 exploratory factor analysis extracted four fixed factors result kaisermeyerolkin bartletts tests 0752 model explaining 3521 total variance four dimensions associated oral health knowledge perceptions oral health issues oral health practice skills functional oral health literacy mean score lowest 27 significantly lower highest 27 p 001 suggesting adequate discriminant validity associations comprehensive oral health literacy scores educational level income selfreported literacy level significant p 0001 showing adequate overall concurrent validity internal consistency testretest reliability acceptable cronbachs alpha 072 total testretest reliability coefficient 0979 initial testing comprehensive oral health literacy instrument suggested valid reliable instrument evaluate individuals oral health literacy four dimensions evaluating knowledge belief skills functional oral health literacy