Zusammenfassung
Health-related quality of life is an important indicator for quality assurance of inpatient psychosomatic treatments. The present study examined the factorial structure and measurement invariance of self- and proxy-assessment on the Kid-KINDL in 8- to 11-year-olds with mental illness. The data were collected between 2015 and 2019 (Kid-KINDLSelf: N = 441, girls: 52%, boys: 48%, age: M = 9.44, SD = ...
Zusammenfassung
Health-related quality of life is an important indicator for quality assurance of inpatient psychosomatic treatments. The present study examined the factorial structure and measurement invariance of self- and proxy-assessment on the Kid-KINDL in 8- to 11-year-olds with mental illness. The data were collected between 2015 and 2019 (Kid-KINDLSelf: N = 441, girls: 52%, boys: 48%, age: M = 9.44, SD = 1.12; Kid-KINDLProxy: N = 462, girls: 55%, boys: 45%, age: M = 9.51, SD = 1.11). In a first, randomly generated sample, exploratory factor analyses revealed evidence for two additional psychopathological factors. We tested different measurement models on a second sample with confirmatory factor analysis (MLR estimation). The model with item double-loadings on the HRQoL dimensions and the psychopathological factors that did not correlate with the HRQoL dimensions showed the best model fit (Kid-KINDLSelf: N = 294, RMSEA =.046, CFI =.92; KidKINDL(Proxy):N = 308, RMSEA =.050, CFI =.93). Partial metric invariance was demonstrated. Based on the results, the unidimensionality of some items must be doubted, which may limit a valid assessment of some HRQoL dimensions. The Kid-KINDL scales self-esteem, family, and friends are recommended for use in quality assurance.
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