A group of 265 urban private sector workers in Kuala Lumpur and adjacent Petaling Jaya responded to a self-administered questionnaires. Their knowledge of cardio-pulmonary resuscitation, risk factors for and preventive measures against cardiovascular diasease a n d w h e n these should be started are relatively weak, though knowledge on symptoms of heart a attack are satisfactory. Relatively more males than females are current smokers and consumers of alcohol. Males tended to start smoking and drinking in their teen years while females tended to do so later in their non-teen years.