Projecting the impact of a nationwide school plain water access intervention on childhood obesity: a cost–benefit analysis

Pediatric obesity - Tập 13 Số 11 - Trang 715-723 - 2018
Ruopeng An1, Hong Xue2, Ling Wang3, Youfa Wang2
1Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Champaign, IL, USA
2Systems-Oriented Global Childhood Obesity Intervention Program, Fisher Institute of Health and Well-being, College of Health, Ball State University, Muncie, IN, USA
3Department of Biostatistics and Epidemiology, College of Public Health, East Tennessee State University, Johnson City, TN, USA

Tóm tắt

SummaryObjectiveThis study aimed to project the societal cost and benefit of an expansion of a water access intervention that promotes lunchtime plain water consumption by placing water dispensers in New York school cafeterias to all schools nationwide.MethodsA decision model was constructed to simulate two events under Markov chain processes – placing water dispensers at lunchtimes in school cafeterias nationwide vs. no action. The incremental cost pertained to water dispenser purchase and maintenance, whereas the incremental benefit was resulted from cases of childhood overweight/obesity prevented and corresponding lifetime direct (medical) and indirect costs saved.ResultsBased on the decision model, the estimated incremental cost of the school‐based water access intervention is $18 per student, and the corresponding incremental benefit is $192, resulting in a net benefit of $174 per student. Subgroup analysis estimates the net benefit per student to be $199 and $149 among boys and girls, respectively. Nationwide adoption of the intervention would prevent 0.57 million cases of childhood overweight, resulting in a lifetime cost saving totalling $13.1 billion. The estimated total cost saved per dollar spent was $14.5.ConclusionThe New York school‐based water access intervention, if adopted nationwide, may have a considerably favourable benefit–cost portfolio.

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Pediatric obesity

Tập 13 Số 11

715-723

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