Lowering employee health care costs through the Healthy Lifestyle Incentive Program.

Objective: To evaluate the impact of the Healthy Lifestyle Incentive Program (HLIP), a worksite health program, on lowering prescription drug and medical costs.

Design: Health care cost data for Salt Lake County employees during 2004 through 2008 were linked with HLIP enrollment status. Additional program information was obtained from a cross-sectional survey administered in 2008.