Self-care time and rating of health state in persons with diabetes: results from the population-based KORA survey in Germany.

Health Qual Life Outcomes

Institute for Health Services Research and Health Economics, Centre for Health and Society, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany, Moorenstr. 5, 40225, Düsseldorf, Germany.

Published: December 2022

Background: The amount of empirical research on whether people in fact include health-related changes in leisure time into health state valuations is limited and the results are inconclusive. In this exploratory study, we analyse whether time aspects of diabetes self-care might explain the ratings of the health state (HSR) in addition to the effects of physical and mental health-related quality of life.

Methods: Using the data from participants with diagnosed type 2 diabetes in the population-based KORA FF4 study (n = 190, 60% Male, mean age 69 ± 10 years), multiple logistic regression models were fitted to explain HSR (good vs. poor) in terms of the SF-12 physical and mental component summary (PCS and MCS) scores, time spent on diabetes self-care and a number of background variables.

Results: There was no significant association between time spent on diabetes self-care and HSR in models without interaction. Significant interaction term was found between the SF-12 PCS score and time spent on self-care. In models with interaction self-care time has a small, but significant impact on the HSR. In particular, for a PCS score under 40, more time increases the chance to rate the health state as "good", while for a PCS score above 40 there is a reverse effect.

Conclusions: The additional impact of self-care time on HSR in our sample is small and seems to interact with physical health-related quality of life. More research is needed on whether inclusion of health-related leisure time changes in the denominator of cost-effectiveness analysis is sufficient.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9749283PMC
http://dx.doi.org/10.1186/s12955-022-02068-9DOI Listing

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