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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

Journal of Occupational & Environmental Medicine: March 2010 - Volume 52 - Issue 3 - pp 291-302
doi: 10.1097/JOM.0b013e3181d46f0b
Original Articles

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.

From the Institute for Health and Productivity Studies (Dr Goetzel, Dr Roemer), Rollins School of Public Health, Emory University, Atlanta, Ga; Health and Productivity Research (Dr Pei, Ms Short, Ms Tabrizi), Thomson Reuters,Wash, DC; Department of Health Promotion and Behavior (Dr Wilson, Dr DeJoy), College of Public Health, University of Georgia, Athens, Ga; Health Services Expertise Center (Ms Craun, Ms Tully, Dr White), The Dow Chemical Company, Midland, Mich; and Health Services (Dr Baase), The Dow Chemical Company, Midland, Mich.

The contents of this article are the sole responsibility of the authors and do not necessarily represent the official views of NHLBI.

Address correspondence to: Ron Z. Goetzel, PhD, Institute for Health and Productivity Studies, Rollins School of Public Health, Emory University; Consulting and Applied Research, Thomson Reuters, 4301 Connecticut Avenue, NW—Suite 330, Washington, DC 20008. E-mail: ron.goetzel@thomsonreuters.com.

©2010The American College of Occupational and Environmental Medicine