Plenary presentation about the influence of working conditions on health behaviors research done by The Center for the Promotion of Health in the New England Workplace (CPH-NEW), a National Institute for Occupational Safety and Health (NIOSH) Center for Excellence. Working conditions link to health outcomes directly, and through health behaviors. The Center evaluates multiple models for integrating health promotion with occupational health interventions, with a strong emphasis on musculoskeletal, cardiovascular, and mental health outcomes; the underlying role of work organization; and the importance of worker involvement in program design and implementation.