Alexandra Rouquette|Théotime Nadot|Pierre Labitrie|Stephan Van den Broucke|Julien Mancini|Laurent Rigal|Virginie Ringa
Validity and measurement invariance across sex, age, and education level of the French short versions of the European Health Literacy Survey Questionnaire
University of Paris-Saclay|University of Paris-Saclay|University of Paris-Saclay|UCLouvain|Economic & Social Sciences, Health Systems & Medical Informatics|Inserm|University of Paris-Saclay|University of Paris-Saclay
background short versions european health literacy survey hlseu questionnaire increasingly used measure compare health literacy hl populations worldwide validated versions questionnaires thus far appeared french study aimed study psychometric properties french translation 16 6item short versions hlseuq16 hlseuq6 including measurement invariance across sex age education level methods consensual french version hlseuq16 hlseuq6 developed following current recommendations transcultural questionnaire adaptation completed 317 patients recruited waiting rooms general practitioners paris area france structural validity studied rasch model hlseuq16 confirmatory factorial analysis cfa hlseuq6 concurrent convergent validity respectively assessed scores functional communicative critical health literacy fcchl questionnaire physicians evaluations patients hl results 16 items hlseuq16 rasch homogenous meaningful differential item functioning dif found across sex age andor education level eight items cfa model fit hlseuq6 poor overall scores hlseu short versions correlated poorly fcchl scores similarly hl levels defined using either shortversion score agree physicians hl assessments conclusion french version hlseuq16 acceptable psychometric properties despite meaningful dif age sex education level poor discriminative power among subjects average high hl level recommend use measure hl populations sufficient reading skills discriminate subjects low average hl also sensitivity analyses performed evaluate potential measurement bias due dif results demonstrate validity hlseuq6