Journal
BMC PUBLIC HEALTH
Volume 12, Issue -, Pages -Publisher
BMC
DOI: 10.1186/1471-2458-12-701
Keywords
Cardio-metabolic diseases; Surveillance; Risk-factors; South-Asia
Categories
Funding
- National Heart, Lung, and Blood Institute, National Institutes of Health (NIH), Department of Health and Human Services [HHSN268200900026C]
- United Health Group, Minneapolis, Mn, USA
- NIH, Fogarty International Center (FIC) through Vanderbilt University, Emory's Global Health Institute [5R24TW007988]
- Eunice Kennedy Shriver National Institute of Child Health & Human Development (NICHD) [D43HD05249]
- FIC [D43HD05249]
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Background: Cardio-metabolic diseases (CMDs) are a growing public health problem, but data on incidence, trends, and costs in developing countries is scarce. Comprehensive and standardised surveillance for non-communicable diseases was recommended at the United Nations High-level meeting in 2011. Aims: To develop a model surveillance system for CMDs and risk factors that could be adopted for continued assessment of burdens from multiple perspectives in South-Asian countries. Methods: Design: Hybrid model with two cross-sectional serial surveys three years apart to monitor trend, with a three-year prospective follow-up of the first cohort. Sites: Three urban settings (Chennai and New Delhi in India; Karachi in Pakistan), 4000 participants in each site stratified by gender and age. Sampling methodology: Multi-stage cluster random sampling; followed by within-household participant selection through a combination of Health Information National Trends Study (HINTS) and Kish methods. Culturally-appropriate and methodologically-relevant data collection instruments were developed to gather information on CMDs and their risk factors; quality of life, health-care utilisation and costs, along with objective measures of anthropometric, clinical and biochemical parameters. The cohort follow-up is designed as a pilot study to understand the feasibility of estimating incidence of risk factors, disease events, morbidity, and mortality. Results: The overall participant response rate in the first cross-sectional survey was 94.1% (Chennai 92.4%, n = 4943; Delhi 95.7%, n = 4425; Karachi 94.3%, n = 4016). 51.8% of the participants were females, 61.6% < 45years, 27.5% 45-60years and 10.9% >60 years. Discussion: This surveillance model will generate data on prevalence and trends; help study the complex life-course patterns of CMDs, and provide a platform for developing and testing interventions and tools for prevention and control of CMDs in South-Asia. It will also help understanding the challenges and opportunities in establishing a surveillance system across countries.
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