Association Between a National Behavioral Weight Management Program and Veterans Affairs Health Expenditures.

Smith VA, Stechuchak KM, Wong ES, Hung A, Dennis PA, Hoerster KD, Blalock DV, Raffa SD, Maciejewski ML. Association Between a National Behavioral Weight Management Program and Veterans Affairs Health Expenditures. Medical care. 2024 Apr 1; 62(4):235-242.

Related HSR&D Project(s)

• IIR 18-019 – Measuring the Longitudinal Relationshipsbetween Obesity, Weight Management Intervention, and Medical Expenditure

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Abstract:

OBJECTIVE: The association between participation in a behavioral weight intervention and health expenditures has not been well characterized. We compared Veterans Affairs (VA) expenditures of individuals participating in MOVE!, a VA behavioral weight loss program, and matched comparators 2 years before and 2 years after MOVE! initiation. METHODS: Retrospective cohort study of Veterans who had one or more MOVE! visits in 2008-2017 who were matched contemporaneously to up to 3 comparators with overweight or obesity through sequential stratification on an array of patient characteristics, including sex. Baseline patient characteristics were compared between the two cohorts through standardized mean differences. VA expenditures in the 2 years before MOVE! initiation and 2 years after initiation were modeled using generalized estimating equations with a log link and distribution with variance proportional to the standard deviation (gamma). RESULTS: MOVE! participants (n = 499,696) and comparators (n = 1,336,172) were well-matched, with an average age of 56, average body mass index of 35, and similar total VA expenditures in the fiscal year before MOVE! initiation ($9662 for MOVE! participants and $10,072 for comparators, standardized mean difference = -0.019). MOVE! participants had total expenditures that were statistically lower than matched comparators in the 6 months after initiation but modestly higher in the 6 months to 2 years after initiation, though differences were small in magnitude (1.0%-1.6% differences). CONCLUSIONS: The VA's system-wide behavioral weight intervention did not realize meaningful short-term health care cost savings for participants.