Implementation of a worksite wellness program targeting small businesses: the Pinnacol Assurance health risk management study.

Objective: To assess small business adoption and need for a worksite wellness program in a longitudinal study of health risks, productivity, workers' compensation rates, and claims costs.

Methods: Health risk assessment data from 6507 employees in 260 companies were examined. Employer and employee data are reported as frequencies, with means and standard deviations reported when applicable.