Occupational Physical Activity and Coronary Heart Disease in Women’s Health Initiative Observational Study

Women comprise nearly half of the labor force in our society, but the impact of the occupational psychical activity on women's heart health in later life was unclear. We conducted a case-cohort study to assess the association of occupational physical activity (OPA), alone and jointly with leisure-time physical activity (LTPA) and risk of coronary heart disease (CHD).We included women enrolled in Women's Health Initiative Observational Study who...