Prevalence of coronary artery disease and coronary risk factors in Kerala, South India: A population survey - Design and methods
Publication Type:Journal Article
Source:Indian Heart Journal, Volume 65, Number 3, p.243-249 (2013)
Keywords:adult, aged, anthropometry, article, Blood pressure, cardiovascular risk, controlled study, coronary artery disease, cross-sectional study, eating habit, educational status, electrocardiogram, family history, female, geography, Glucose, glucose blood level, human, India, lipid, lipid blood level, major clinical study, male, physical activity, population research, prevalence, questionnaire, rural area, social status, urban area
Background: There is paucity of reliable contemporary data on prevalence of coronary artery disease (CAD) and risk factors in Indians. Only a few studies on prevalence of CAD have been conducted in Kerala, a Southern Indian state. The main objective of the Cardiological Society of India Kerala Chapter Coronary Artery Disease and Its Risk Factors Prevalence Study (CSI Kerala CRP Study) was to determine the prevalence of CAD and risk factors of CAD in men and women aged 20-79 years in urban and rural settings of three geographical areas of Kerala. Methods: The design of the study was cross-sectional population survey. We estimated the sample size based on an anticipated prevalence of 7.4% of CAD for rural and 11% for urban Kerala. The derived sample sizes for rural and urban areas were 3000 and 2400, respectively. The urban areas for sampling constituted one ward each from three municipal corporations at different parts of the state. The rural sample was drawn from two panchayats each in the same districts as the urban sample. One adult from each household in the age group of 20-59 years was selected using Kish method. All subjects between 60 and 79 years were included from each household. A detailed questionnaire was administered to assess the risk factors, history of CAD, family history, educational status, socioeconomic status, dietary habits, physical activity and treatment for CAD; anthropometric measurements, blood pressure, electrocardiogram and fasting blood levels of glucose and lipids were recorded. Copyright © 2013, Cardiological Society of India. All rights reserved.
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