Prevalence and awareness of risk factors and behaviours of coronary heart disease in an urban population of Karachi, the largest city of Pakistan: a community survey.

Objectives: To estimate the prevalence and awareness of risk factors and risk behaviours of coronary heart disease (CHD) in the lower middle class residing in urban localities of Karachi, a mega city of Pakistan.

Methods: The design consisted of a cross-sectional community based survey in the lower middle class urban localities of Karimabad, Garden and Kharardar in Karachi, Pakistan. One thousand four hundred adults (18 years and above) registered with the Aga Khan Development Network (AKDN) participated in the survey.