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Journal of Occupational & Environmental Medicine:
doi: 10.1097/JOM.0b013e3181d46f0b
Original Articles

Second-Year Results of an Obesity Prevention Program at The Dow Chemical Company.

Goetzel, Ron Z. PhD; Roemer, Enid C. PhD; Pei, Xiaofei PhD; Short, Meghan E. MPH; Tabrizi, Maryam J. MS; Wilson, Mark G. HSD; DeJoy, David M. PhD; Craun, Beth A. AS; Tully, Karen J. BS; White, John M. PhD; Baase, Catherine M. MD

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Abstract

Objective: Evaluate innovative, evidence-based approaches to organizational/supportive environmental interventions aimed at reducing the prevalence of obesity among Dow employees after 2 years of implementation.

Methods: A quasi-experimental study design compared outcomes for two levels of intervention intensity with a control group. Propensity scores were used to weight baseline differences between intervention and control subjects. Difference-in-differences methods and multilevel modeling were used to control for individual and site-level confounders.

Results: Intervention participants maintained their weight and body mass index, whereas control participants gained 1.3 pounds and increased their body mass index values by 0.2 over 2 years. Significant differences in blood pressure and cholesterol values were observed when comparing intervention employees with controls. At higher intensity sites, improvements were more pronounced.

Conclusions: Environmental interventions at the workplace can support weight management and risk reduction after 2 years.

©2010The American College of Occupational and Environmental Medicine

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