Physical activity and major non-communicable diseases among physicians in Central Saudi Arabia.

To evaluate levels of physical activity among physicians in Riyadh, Saudi Arabia and to study the possible factors affecting physical inactivity. In addition, the study aims to estimate the prevalence of major non-communicable diseases (NCDs) and a possible correlation between physical inactivity and major NCDs.  Method: A cross-sectional approach was used for this study conducted on 370 randomly-selected outpatient physicians of both genders working at 4 leading healthcare institutions in Riyadh, Kindom of Saudi Arabia between December 2013 and January 2014.