Images of a Healthy Worksite: A Group-Randomized Trial for Worksite Weight Gain Prevention With Employee Participation in Intervention Design

American Journal of Public Health
Isabel Diana FernandezHongmei Yang

Abstract

We assessed the effects of a worksite multiple-component intervention addressing diet and physical activity on employees' mean body mass index (BMI) and the percentage of employees who were overweight or obese. This group-randomized trial (n = 3799) was conducted at 10 worksites in the northeastern United States. Worksites were paired and allocated into intervention and control conditions. Within- and between-groups changes in mean BMIs and in the percentage of overweight or obese employees were examined in a volunteer sample. Within-group mean BMIs decreased by 0.54 kilograms per meter squared (P = .02) and 0.12 kilograms per meter squared (P = .73) at the intervention and control worksites, respectively, resulting in a difference in differences (DID) decrease of 0.42 kilograms per meter squared (P = .33). The within-group percentage of overweight or obese employees decreased by 3.7% (P = .07) at the intervention worksites and increased by 4.9% (P = .1) at the control worksites, resulting in a DID decline of 8.6% (P = .02). Our findings support a worksite population strategy that might eventually reduce the prevalence of overweight and obesity by minimizing environmental exposures to calorically dense foods and increasing expo...Continue Reading

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Citations

Jun 24, 2018·Preventing Chronic Disease·Leah K GutermuthKeshia Pollack Porter
Dec 21, 2019·The International Journal of Behavioral Nutrition and Physical Activity·Rubina MulchandaniShifalika Goenka
Nov 30, 2016·American Journal of Lifestyle Medicine·Heather A McGrane MintonI Diana Fernandez

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