Abstract
Objective The aim of this study was to develop and psychometrically validate a self-report instrument to assess (1) competencies, (2) needs, and (3) satisfaction among youth transitioning from pediatric to adult rheumatology.
Methods The Transition-KompAZ was developed in several steps with conceptual and psychometric analyses. To test its psychometric properties, the instrument was administered to adolescents and young adults (AYAs; 16-25 years) with inflammatory rheumatic diseases before (group 1) or after (group 2) transfer to adult rheumatology. A 2-factor, higher-order confirmatory factor analysis (CFA) model was applied to test the hypothesized factor structure. Internal consistency was estimated using the approach of Raykov with the factor loadings and error variances estimated in the CFA. Spearman rank correlation coefficients were used to assess construct validity.
Results The Transition-KompAZ includes the following modules: (1) competencies in transition (knowledge, self-management), (2) needs (healthcare services, information), and (3) satisfaction (general, transitional care). A total of 173 AYAs (group 1: n = 86; group 2: n = 87) from 12 rheumatology sites completed the Transition-KompAZ. It showed good model fit (comparative fit index > 0.9; Tucker-Lewis index > 0.9; weighted root mean square residual < 0.9) with good internal consistency. The instrument demonstrated moderate-to-good construct validity and good test-retest reliability.
Conclusion The Transition-KompAZ appears to be a reliable tool for assessing important dimensions of transition. It may support a structured and individualized transition, as well as the evaluation of transition services. However, further studies are required to assess its predictive value in terms of transfer readiness and successful transition.
