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Laboratory, reading center, and coordinating center data management methods in the Jackson Heart Study
Myra A Carpenter1, Richard Crow, Michael Steffes
1Collaborative Studies Coordinating Center, Department of Biostatistics, University of North Carolina at Chapel Hill 27514-4145, USA. myra_carpenter@unc.edu
The American Journal of the Medical Sciences
|September 16, 2004
Summary
The Jackson Heart Study (JHS) investigates cardiovascular disease (CVD) origins in African-Americans, who face higher CVD mortality risks. This study employs advanced methods to collect extensive data on over 5300 participants.
Area of Science:
- Cardiology and Public Health Research
- Epidemiology and Clinical Investigation
- Biomedical Data Science
Background:
- Cardiovascular disease (CVD) is a leading cause of mortality in the U.S.
- African-Americans exhibit a disproportionately higher risk of CVD mortality and adverse risk factor profiles compared to white populations.
- The Jackson Heart Study (JHS) was established to address the specific origins and natural progression of CVD within the African-American community.
Purpose of the Study:
- To investigate the underlying causes and long-term development of cardiovascular disease (CVD) in African-Americans.
- To identify and analyze a comprehensive range of risk factors contributing to CVD.
- To assess the prevalence, progression, and incidence of CVD and subclinical atherosclerosis.
Main Methods:
- Utilized a network of specialized reading centers for advanced diagnostic measurements (e.g., electrocardiograms, echocardiograms, carotid ultrasonograms).
- Employed high-quality laboratory analyses for blood and urine specimens, with secure storage for future research.
- Established a dedicated Coordinating Center for protocol development, data management, statistical analysis, and operational oversight, supported by an experienced coordinating center.
Main Results:
- Implemented state-of-the-science methodologies for comprehensive CVD and atherosclerosis assessment.
- Collected over 4000 data fields per participant for more than 5300 African-American individuals between November 2000 and March 2004.
- Gathered extensive data on CVD prevalence, progression, incidence, and associated risk factors.
Conclusions:
- The Jackson Heart Study successfully integrated specialized research agencies and advanced methodologies to gather critical data.
- The study highlights the necessity of diverse scientific disciplines for achieving comprehensive cardiovascular health research objectives.
- Methodologies employed ensure robust data accrual for understanding CVD in African-Americans.