Examines worksite health promotion and disease prevention activities in 1,507 private worksites in the U.S. Assesses the policies, practices, services and facilities, information, and activities sponsored by employers to improve the health of their employees, dependents, and retirees. Covers: high blood pressure, cholesterol, cancer, HIV infection, smoking control, physical activity, nutrition education, weight control, prenatal educ., medical self-care, mental health and stress mgmt., alcohol and other drugs, workplace safety and health, back care, and more.