The efficacy and cost-effectiveness of a community weight management intervention: a randomized controlled trial of the health weight management demonstration.

PURPOSE: The study investigated the efficacy and cost-effectiveness of a cognitive-behavioral weight management program, complemented by an interactive Web site and brief telephone/e-mail coaching. METHODS: In 2006-2007, 1755 overweight, non-active-duty TRICARE beneficiaries were randomized to one of three conditions with increasing intervention intensity: written materials and basic Web access (RCT1), plus an interactive Web site (RCT2), plus brief telephone/e-mail coaching support (RCT3). The study assessed changes in weight, blood pressure, and physical activity from baseline to 6, 12, and 15-18 months. (Study retention was 31% at 12 months.) Average and incremental cost-effectiveness and cost-offset analyses were conducted. RESULTS: Participants experienced significant weight loss (-4.0%, -4.0%, and -5.3%, respectively, in each RCT group after 12 months and -3.5%, -3.8%, and -5.1%, respectively, after 15 to 18 months), increased physical activity, and decreased blood pressure. Cost-effectiveness ratios were $900 to $1100/quality-adjusted life year (QALY) for RCT1 and RCT2 and $1900/QALY for RCT3. The cost recovery period to the government was 3 years for RCTs 1 and 2 and 6 years for RCT3. CONCLUSION: A relatively inexpensive cognitive-behavioral weight management intervention improved patient outcomes. Extrapolation of savings for the entire TRICARE population would significantly reduce direct medical costs.

Evaluation of two web-based alcohol interventions in the U.S. military.

OBJECTIVE: The U.S. military has traditionally had high rates of alcohol misuse and alcohol-related problems, necessitating effective treatment programs that minimize participant burden. Web-based interventions have shown promise as efficient treatment options for college students and adults but have not been widely evaluated in the military. This study evaluated the efficacy of two web-based alcohol interventions originally created for civilians and then adapted for U.S. military personnel. METHOD: Two web-based alcohol interventions, Alcohol Savvy and Drinker's Check-Up, were adapted for use among military populations. The interventions were evaluated using a convenience sample of 3,070 active-duty military personnel at eight installations. Following a baseline survey, participants were assigned to one of three treatment conditions: (a) Alcohol Savvy, (b) Drinker's Check-Up, or (c) control (no program participation). Follow-up surveys were completed by 1,072 participants 1 month following baseline and by 532 participants 6 months following baseline. RESULTS: At 1-month follow-up, participants who completed the Drinker's Check-Up intervention had significant reductions in multiple measures of alcohol use relative to controls. Positive outcomes were found for average number of drinks consumed per occasion, frequent heavy episodic drinker status, and estimated peak blood alcohol concentration. These reductions in alcohol use at the 1-month follow-up were maintained at the 6-month follow-up. There were no statistically significant changes in alcohol use for participants who completed Alcohol Savvy. CONCLUSIONS: This study expands the literature on the effectiveness of web-based treatment for alcohol misuse. Findings indicate that web-based programs (Drinker's Check-Up in particular) can significantly decrease several indicators of alcohol use in U.S. military personnel.