Effectiveness of Financial Incentives in a Worksite Diabetes Prevention Program
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Effectiveness of Financial Incentives in a Worksite Diabetes Prevention Program

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Details:

  • Alternative Title:
    Open Obes J
  • Personal Author:
  • Description:
    Purpose

    To evaluate the effect of financial incentive in a diabetes prevention weight loss program at worksites.

    Design

    Group-level randomized intervention study.

    Setting

    Four long-term care facilities, randomly assigned to “incentive-IG” or “non incentive-NIG” groups.

    Participants

    Ninety-nine employees, all overweight or obese (BMI= mean 34.8±7.4 kg/m2) and at risk for type 2 diabetes.

    Intervention

    A 16 week weight loss program (diabetes prevention program) with a 3 month follow up. IG could either choose a "standard incentive" to receive cash award when achieving the projected weight loss or to participate in a "standard plus deposit incentive" to get additional money matched with their deposit for projected weight loss. All of the participants received a one-hour consultation for a healthy weight loss at the beginning.

    Measures

    Weight-loss, diabetes risk score (DRS), and cardiovascular risk outcomes.

    Analyses

    Linear and logistic regressions for completed cases with adjustments for clustering effect at group level.

    Results

    IG lost on average more pounds (p=0.027), reduced BMI (p=0.04), and reduced in DRS (p=0.011) compared to NIG at week 16. At the 12-week follow-up period, those in IG plus deposit subgroup had twice the odds (OR=2.2, p=0.042) and those in the standard IG had three times the odds of achieving weight loss goals than NIG; those in the IG plus deposit group reduced DRS by 0.4 (p=0.045).

    Conclusion

    Monetary incentives appear to be effective in reducing weight and diabetes risk.

  • Subjects:
  • Source:
  • Pubmed ID:
    27347276
  • Pubmed Central ID:
    PMC4920480
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