Impact of the Working Well Trial on the worksite smoking and nutrition environment

This article reports the effect of a worksite cancer control intervention o n aspects of the physical and social environment related to dietary and smo king behaviors of employees. Data are from 111 intervention and control wor ksites that participated in the Working Well Trial. Employee surveys and in terviews with key organizational informants assessed environmental and norm ative changes relevant to nutrition and tobacco use. Results indicated sign ificant effects of the intervention on all nutrition outcomes: access to he althy food, nutritional information at work, and social norms regarding die tary choice. Significant benefits were not found for smoking norms or smoki ng policies. However, changes occurred in both the control and intervention sites on these variables. This first large analysis of environmental and n ormative effects of a worksite intervention is consistent with the employee behavior change findings for the trial and serves as a model for future an alyses of multilevel worksite health promotion programs.