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Development of the Environmental Assessment Tool (EAT) to Measure Organizational Physical and Social Support for Worksite Obesity Prevention Programs

DeJoy, David M. PhD; Wilson, Mark G. HSD; Goetzel, Ron Z. PhD; Ozminkowski, Ronald J. PhD; Wang, Shaohung PhD; Baker, Kristin M. MPH; Bowen, Heather M. MS; Tully, Karen J. BS

Journal of Occupational and Environmental Medicine: February 2008 - Volume 50 - Issue 2 - p 126-137
doi: 10.1097/JOM.0b013e318161b42a
Original Articles

Objective: To describe the development, reliability, and validity of the Environmental Assessment Tool (EAT) for assessing worksite physical and social environmental support for obesity prevention.

Methods: The EAT was developed using a multistep process. Inter-rater reliability was estimated via Kappa and other measures. Concurrent and predictive validity were estimated using site-level correlations and person-level multiple regression analyses comparing EAT scores and employee absenteeism and health care expenditures.

Results: Results show high inter-rater reliability and concurrent validity for many measures and predictive validity for absenteeism expenditures.

Conclusions: The primary use of the EAT is as a physical and social environment assessment tool for worksite obesity prevention efforts. It can be used as a reliable and valid means to estimate relationships between environmental interventions and absenteeism and medical expenditures, provided those expenditures are for the same year that the EAT is administered.

Supplemental Digital Content is Available in the Text.

From the Department of Health Promotion and Behavior (Dr DeJoy, Dr Wilson, Ms Bowen, and Ms Baker), College of Public Health, University of Georgia, Athens, GA; Institute for Health and Productivity Studies (Dr Goetzel), Emory University, Washington, DC; Health Economist (Dr Ozminkowski), Ann Arbor, MI; Consulting and Applied Research (Dr. Goetzel) and Health and Productivity Research (Dr Wang and Ms Baker), Thomson Healthcare, Washington, DC; and Health Services Expertise Center (Ms Tully), The Dow Chemical Company, Midland, MI.

CME Available for this Article at

None of the authors have affiliations with products or companies mentioned in this article, with the exception of the last author, Karen Tully; who is an employee of Dow Chemical, where the data were collected.

Address correspondence to: David M. DeJoy, Department of Health Promotion & Behavior, College of Public Health, University of Georgia, Athens, GA 30602-6522; E-mail:

©2008The American College of Occupational and Environmental Medicine