Journal
BMC NEPHROLOGY
Volume 22, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12882-021-02594-6
Keywords
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Categories
Funding
- Jackson State University [HHSN268201800013I]
- Tougaloo College [HHSN268201800014I]
- Mississippi State Department of Health [HHSN268201800015I/HHSN26800001]
- University of Mississippi Medical Center [HHSN268201800010I, HHSN268201800011I, HHSN268201800012I]
- National Heart, Lung, and Blood Institute (NHLBI)
- National Institute for Minority Health and Health Disparities (NIMHD)
- Duke CTSA [UL1TR002553]
- NIH/NHLBI [K01HL140146]
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The study investigated the association between psychosocial factors and risk of CVD events among Black individuals with CKD and CKD risk factors. It found that religiosity was associated with an increased hazard for CVD events, highlighting the need for further research to understand the mechanisms of this relationship.
Background: Individuals with chronic kidney disease (CKD), hypertension (HTN), or diabetes mellitus (DM) are at increased risk for cardiovascular disease (CVD). The extent to which psychosocial factors are associated with increased CVD risk within these individuals is unclear. Black individuals experience a high degree of psychosocial stressors due to socioeconomic factors, environment, racism, and discrimination. We examined the association between psychosocial factors and risk of CVD events among Black men and women with CKD and CKD risk factors in the Jackson Heart Study. Methods and Results: We identified 1919 participants with prevalent CKD or CKD risk factors at baseline. We used rotated principal component analysis - a form of unsupervised machine learning that may identify constructs not intuitively identified by a person - to describe five groups of psychosocial components (including negative moods, religiosity, discrimination, negative outlooks, and negative coping resources) based on a battery of questionnaires. Multiple imputation by chained equation (MICE) was used to impute missing covariate data. Cox models were used to quantify the association between psychosocial components and incident CVD, defined as a fatal coronary heart disease event, myocardial infarction, cardiac procedure (angiography or revascularization procedure), or stroke. Of the 929 participants in the analysis, 67% were female, 28% were current/former smokers with mean age of 56 years and mean BMI of 33 kg/m(2). Over a median follow-up of 8 years, 6% had an incident CVD event. In multivariable models, each standard deviation (SD) increase in the religiosity component was associated with an increased hazard for CVD event (hazard ratio [HR] = 1.52, 95% CI: 1.09-2.13). Conclusions: Religiosity was associated with CVD among participants with prevalent CKD or CKD risk factors. Studies to better understand the mechanisms of this relationship are needed.
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