Following the WHO-MONICA protocol, in 1988 a community survey of Coronary Heart Disease (CHD) has been done in 3 sub-districts of metropolitan Jakarta, after 5 years intervention in the form of health education in CHD-risk factors control, a second survey has been completed in 1993. Comparison of results of the first and the second surveys. nl. prevalence of hipertension (14.9 percent vs 49.6 p…