Economic Evaluation of Obesity Prevention in Early Childhood: Methods, Limitations and Recommendations.

Int J Environ Res Public Health 2016 09 13;13(9). Epub 2016 Sep 13.

Mannheim Institute of Public Health, Social Prevention and Medicine (MIPH), Medical Faculty of Heidelberg University, Mannheim 68167, Germany.

Despite methodological advances in the field of economic evaluations of interventions, economic evaluations of obesity prevention programmes in early childhood are seldom conducted. The aim of the present study was to explore existing methods and applications of economic evaluations, examining their limitations and making recommendations for future cost-effectiveness assessments. A systematic literature search was conducted using PubMed, Cochrane Library, the British National Health Service Economic Evaluation Databases and EconLit. Eligible studies included trial-based or simulation-based cost-effectiveness analyses of obesity prevention programmes targeting preschool children and/or their parents. The quality of included studies was assessed. Of the six studies included, five were intervention studies and one was based on a simulation approach conducted on secondary data. We identified three main conceptual and methodological limitations of their economic evaluations: Insufficient conceptual approach considering the complexity of childhood obesity, inadequate measurement of effects of interventions, and lack of valid instruments to measure child-related quality of life and costs. Despite the need for economic evaluations of obesity prevention programmes in early childhood, only a few studies of varying quality have been conducted. Moreover, due to methodological and conceptual weaknesses, they offer only limited information for policy makers and intervention providers. We elaborate reasons for the limitations of these studies and offer guidance for designing better economic evaluations of early obesity prevention.

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http://dx.doi.org/10.3390/ijerph13090911DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5036744PMC
September 2016
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