Race and Coronary Heart Disease: Literature Review
This paper presents a literature review investigating whether a statistically significant association exists between race/ethnicity and coronary heart disease (CHD). Drawing on four peer-reviewed studies, the review examines racial disparities in dietary patterns linked to CHD risk, differences in fatal out-of-hospital CHD mortality between Black and white populations, and the relationship between obesity measures and CHD risk among African-American women. The paper also articulates the public health and clinical significance of identifying such an association, arguing that quantifying racial disparities in CHD can inform targeted interventions, resource allocation, and equitable healthcare access.
- Research Question and Hypotheses: RQ, variables, and stated hypotheses defined
- Dietary Patterns and Racial Disparities in CHD Risk: Dietary risk factors and minority group disparities
- Racial Differences in CHD Mortality and Obesity: Longitudinal mortality data and obesity-CHD link
- Significance of Examining Race and Coronary Heart Disease: Public health, clinical, and policy importance
- References: APA citations for all reviewed studies
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What makes this paper effective
- The paper clearly states a research question, defines dependent and independent variables, and articulates both null and alternate hypotheses before reviewing the literature — a strong organizational move that grounds all subsequent evidence.
- Each cited study is summarized with specific findings and linked back to the central research question on racial disparities in CHD, maintaining relevance throughout.
- The significance section moves logically from researchers to policymakers to clinicians, demonstrating how the research question matters across multiple stakeholder groups.
Key academic technique demonstrated
This paper demonstrates hypothesis-driven literature synthesis: rather than summarizing studies in isolation, the author organizes evidence around an explicit hypothesis framework. Each study is selected and described in terms of how it illuminates racial variation in CHD risk, building a cumulative case for why the research question is both answerable and important.
Structure breakdown
The paper opens with a formal research design block (RQ, variables, hypotheses, statistical test), then transitions into a literature review section covering dietary risk factors, longitudinal mortality data, and obesity-related findings. A separate significance section articulates the public health and clinical value of the research question. The paper closes with APA-formatted references. The structure mirrors a standard proposal format for a quantitative health research project.
Research Question and Hypotheses
Research Question: Is there a statistically significant association — one unlikely to have occurred by chance alone — between race and coronary heart disease?
Dependent Variable: Coronary Heart Disease
Independent Variable: Race
Null Hypothesis: There is no statistically significant association between race/ethnicity and coronary heart disease.
Alternate Hypothesis: There is a statistically significant association between race/ethnicity and coronary heart disease.
Statistical Test: To be determined based on population sample.
Dietary Patterns and Racial Disparities in CHD Risk
A study by Abu Bakar et al. (2022) found that individuals whose dietary patterns include high levels of sodium, saturated fatty acids, and processed foods are at elevated risk of developing coronary heart disease (CHD). These findings underscore the racial disparities in consumption of diets high in sodium, saturated fat, and heavily processed foods, which exacerbate CHD risk.
Minority groups such as African Americans and Hispanic/Latinx individuals are more likely than white Americans to follow diets that exceed recommendations for sodium, saturated fats, and processed meats. Moreover, differences in eating patterns have been shown to persist even after accounting for socioeconomic status, suggesting that cultural dietary customs and limited access to quality nutrition in minority communities are key driving factors (Moise et al., 2016).
Racial Differences in CHD Mortality and Obesity
An ambitious longitudinal study spanning 1987 to 2017 by Islek et al. (2022) found that African-American patients suffer from higher rates of fatal coronary heart disease incidents compared to their white counterparts. The researchers posited that racial disparities in CHD-related deaths occurring outside of hospital settings may account for the elevated mortality risk from this condition among Black populations.
The results of a study by Gaglioti et al. (2022) on racial differences that exacerbate the risk of CHD events are also noteworthy. These researchers found a direct correlation between waist circumference and the risk of CHD among African-American women, but notably not among African-American men. Because obesity rates are significantly elevated among both African-American men and women, these findings underscore the particular CHD risk faced by these groups (Gaglioti et al., 2022).
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