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01.12.2018 | Research | Ausgabe 1/2018 Open Access

Health and Quality of Life Outcomes 1/2018

Validation of the German version of the late adolescence and young adulthood survivorship-related quality of life measure (LAYA-SRQL)

Zeitschrift:
Health and Quality of Life Outcomes > Ausgabe 1/2018
Autoren:
Diana Richter, Anja Mehnert, Florian Schepper, Katja Leuteritz, Crystal Park, Jochen Ernst
Wichtige Hinweise
The original article was updated. The main body corrected a mis-presented sub-heading and two erroneous Table references.
A correction to this article is available online at https://​doi.​org/​10.​1186/​s12955-018-0852-8.

Abstract

Background

Cancer has adverse effects on patient’s quality of life. As such, measuring quality of life (QoL) has become an integral part of psycho-oncological health care. Because adolescent and young adult patients have different needs in contrast to children and older cancer patients, instruments for adequately measuring QoL of cancer survivors in this age range are essential. As there is not a corresponding instrument in Germany, we aimed to validate the German version of the Late Adolescence and Young Adulthood Survivorship-Related Quality of Life Measure (LAYA-SRQL), a 30-item questionnaire covering 10 dimensions related to QoL.

Methods

The LAYA-SRQL was translated into German following state-of-the-art criteria. We enrolled 234 adolescent and young adult (AYA) cancer patients with different tumour entities aged between 16 and 39 years old. Factorial structure was tested using confirmatory factor analysis. Internal consistency was determined by Cronbach’s α. The Short Form Survey quality of life questionnaire (SF-12v2) was used to examine convergent validity.

Results

The 10-factor structure of the LAYA-SRQL was confirmed in the German sample, and the model shows high values of fit indicators: χ2 = 723.32 (df = 360, p < 0.001), CFI = 0.92, TLI = 0.90, SRMR = 0.074, RMSEA = 0.066). Subscales showed acceptable to excellent internal consistencies with Cronbach’s α > 0.70 and total Cronbach’s α of 0.93. Convergent validity was demonstrated by high positive correlations between the LAYA-SRQL and the physical (r = 0.45) and mental component (r = 0.65) of the SF-12v2.

Conclusions

The German version of the LAYA-SRQL showed good psychometric properties. The instrument proved to be a highly reliable and valid instrument that can be recommended for use in the follow-up care of AYAs and for clinical research.
Literatur
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