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DOES EFFECTIVENESS OF WEIGHT MANAGEMENT PROGRAMS DEPEND ON THE FOOD ENVIRONMENT? EVIDENCE FROM A NATIONWIDE PROGRAM

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posted on 15.01.2019, 00:00 authored by Elizabeth Tarlov, Coady Wing, Howard S. Gordon, Stephen A. Matthews, Kelly Jones, Lisa M. Powell, Shannon N. Zenk
OBJECTIVE To estimate the causal effects of a population-scale behavioral weight management program and to determine whether the program’s effectiveness depends on participants’ geographic access to places to purchase healthy and less healthy foods. DATA SOURCES Secondary data from U.S. Department of Veterans Affairs clinical and administrative records (2008-2014), retail food environment measures from commercial databases (2008-2014), and the American Community Survey (2009-2014). STUDY DESIGN We estimated the effect of the VA’s MOVE! weight management program on body mass index after 6 months using difference-in-difference regressions to compare participants with a propensity-score-matched control group. We estimated treatment effects overall and in sub-groups with different access to supermarkets, fast-food restaurants, and convenience stores. PRINCIPAL FINDINGS MOVE! reduced BMI by about 0.71 units among men and 0.70 units among women. The program was slightly less effective for men living near fast-food restaurants or convenience stores. We found no evidence that treatment effects varied with the food environment among women. CONCLUSIONS The residential food environment modestly alters MOVE! effectiveness among men. A greater understanding of environmental barriers to and facilitators of intentional weight loss is needed. This study highlights important potential intersections between healthcare and the community.

History

Publisher Statement

This is the pre-peer reviewed version of the following article: Tarlov, E., Wing, C., Gordon, H. S., Matthews, S. A., Jones, K. K., Powell, L. M., & Zenk, S. N. (2018). Does Effectiveness of Weight Management Programs Depend on the Food Environment? Health Services Research, 53(6), 4268-4290, which has been published in final form at 10.1111/1475-6773.13043.

Citation

Tarlov, E., Wing, C., Gordon, H. S., Matthews, S. A., Jones, K. K., Powell, L. M., & Zenk, S. N. (2018). Does Effectiveness of Weight Management Programs Depend on the Food Environment? Health Services Research, 53(6), 4268-4290. doi:10.1111/1475-6773.13043

Publisher

Wiley

Language

en_US

issn

0017-9124

Issue date

01/09/2018

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