Psychometric properties and general population reference values for PROMIS Global Health in Hungary

Alex Bató, Valentin Brodszky, Ariel Zoltán Mitev, Balázs Jenei and Fanni Rencz ()
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Alex Bató: Semmelweis University
Ariel Zoltán Mitev: Corvinus University of Budapest
Balázs Jenei: Corvinus University of Budapest
Fanni Rencz: Corvinus University of Budapest

The European Journal of Health Economics, 2024, vol. 25, issue 4, No 1, 549-562

Abstract: Abstract Objectives Patient-Reported Outcomes Measurement Information System–Global Health (PROMIS-GH) is a widely used generic measure of health status. This study aimed to (1) assess the psychometric properties of the Hungarian PROMIS-GH and to (2) develop general population reference values in Hungary. Methods An online cross-sectional survey was conducted among the Hungarian adult general population (n = 1700). Respondents completed the PROMIS-GH v1.2. Unidimensionality (confirmatory factor analysis and bifactor model), local independence, monotonicity (Mokken scaling), graded response model fit, item characteristic curves and measurement invariance were examined. Spearman’s correlations were used to analyse convergent validity of PROMIS-GH subscales with SF-36v1 composites and subscales. Age- and gender-weighted T-scores were computed for the Global Physical Health (GPH) and Global Mental Health (GMH) subscales using the US item calibrations. Results The item response theory assumptions of unidimensionality, local independence and monotonicity were met for both subscales. The graded response model showed acceptable fit indices for both subscales. No differential item functioning was detected for any sociodemographic characteristics. GMH T-scores showed a strong correlation with SF-36 mental health composite score (rs = 0.71) and GPH T-scores with SF-36 physical health composite score (rs = 0.83). Mean GPH and GMH T-scores of females were lower (47.8 and 46.4) compared to males (50.5 and 49.3) (p

Keywords: Hungary; Generic health status measures; Item response theory; PROMIS; Population norm; Psychometrics (search for similar items in EconPapers)
JEL-codes: I10 (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s10198-023-01610-w

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