ArticleThe World Allergy Organization journal2021
Classic test and generalizability theories are both useful for cross-cultural adaptation of an allergic rhinitis health-related quality of life questionnaire.
Article in The World Allergy Organization journal, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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- The short version of the Sexual Distress Scale (SDS-3): Measurement invariance across countries, gender identities, and sexual orientations.International journal of clinical and health psychology : IJCHPArticle
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Abstract
backgroundAn instrument to assess Allergic Rhinitis (AR) Health-Related Quality of Life (HRQL) in adult patients was developed in Spain. No validated instrument is currently cross-culturally adapted for use in daily practice to assess HRQL in AR patients in Colombia. PURPOSE: The aim of this study was to evaluate the measurement performance of an AR-HRQL specific questionnaire, ESPRINT-15 (Cuestionario ESPañol de Calidad de Vida en RINiTis), in Colombian adult patients with AR using the Classic Test Theory (CTT) and the Generalizability theory (G-theory) frameworks.
methodsWe conducted the cross-cultural adaptation in 2 stages. In stage 1, we evaluated comprehensibility, acceptability, and feasibility of ESPRINT-15 in healthy adults and adult patients with AR. In stage 2, we examined both reliability and validity of ESPRINT-15 scores using CTT and overall reliability applying the G-theory in adult patients with AR.
resultsFor feasibility and acceptability, all items showed a higher than 95% level of understanding, and modifications in the original questionnaire were unnecessary. Reliability and validity using CTT showed a high internal consistency (Cronbach's alpha and Mc McDonald's omega = 0.95) and test-retest reliability (scores from 0.70 to 0.76). The overall reliability score using G-theory was 0.75, and G-coefficients scores associated with internal consistency and test-retest reliability measures were 0.96 and 0.61, respectively. Validity using exploratory factor analysis (EFA) identified 2 factors instead of the original ESPRINT-15 4 domains. However, confirmatory factor analysis (CFA) showed good fit regarding the original model.
conclusionsThe proposed cross-cultural adaptation of ESPRINT-15 showed good reliability and validity measures. Additionally, it was easy to use and administer. ESPRINT-15 can be used clinically and for research in Colombian adults' patients with AR. CTT and the G-theory can be used in epidemiological studies to adapt AR-HRQL questionnaires cross-culturally in adult patients with AR.
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