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Prevalence and changes over time of ideal cardiovascular health metrics among African-Americans: the Jackson Heart Study.

ABSTRACT: The aim of this study is to assess the prevalence and changes over time of ideal Life's Simple Seven (LSS) in African-Americans.Prospective cohort of 5301 African-Americans from the Jackson Heart Study (JHS) from 2000 to 2013. Each of the LSS metrics was categorized as poor, intermediate, or ideal.Among men, the prevalence of having 0, 1, 2, 3, 4, 5, 6, and 7 ideal LSS was 3.3%, 23.0%, 33.5%, 24.7%, 11.6%, 3.6%, 0.3%, and 0%, respectively. Corresponding values for women were 1.7%, 26.3%, 33.1%, 22.8%, 11.9%, 3.7%, 0.6%, and 0%. Prevalence of ideal diet was 0.9%. The proportions of those meeting LSS ideal recommendations for cholesterol and fasting glucose declined from the first through third JHS visits across all age groups, whereas prevalence of ideal BMI declined only in participants <40 years at a given visit. Prevalence of ideal blood pressure did not change over time and being ideal on physical activity improved from the first [18.3% (95% CI: 17.3% to 19.3%)] to third visit [24.8% (95% CI: 23.3% to 26.3%)].Our data show a low prevalence of ideal LSS (especially diet, physical activity, and obesity) in the JHS and a slight improvement in adherence to physical activity recommendations over time.

SUBMITTER: Djousse L

PROVIDER: S-EPMC4397893 | biostudies-literature | 2015 May

REPOSITORIES: biostudies-literature

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Prevalence and changes over time of ideal cardiovascular health metrics among African-Americans: the Jackson Heart Study.

Djoussé Luc L Petrone Andrew B AB Blackshear Chad C Griswold Michael M Harman Jane L JL Clark Cheryl R CR Talegawkar Sameera S Hickson DeMarc A DA Gaziano J Michael JM Dubbert Patricia M PM Correa Adolfo A Tucker Katherine L KL Taylor Herman A HA

Preventive medicine 20150221

<h4>Objectives</h4>The aim of this study is to assess the prevalence and changes over time of ideal Life's Simple Seven (LSS) in African-Americans.<h4>Methods</h4>Prospective cohort of 5301 African-Americans from the Jackson Heart Study (JHS) from 2000 to 2013. Each of the LSS metrics was categorized as poor, intermediate, or ideal.<h4>Results</h4>Among men, the prevalence of having 0, 1, 2, 3, 4, 5, 6, and 7 ideal LSS was 3.3%, 23.0%, 33.5%, 24.7%, 11.6%, 3.6%, 0.3%, and 0%, respectively. Corre ...[more]

PMID: 25712326

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Project description:BackgroundStudies consisting mostly of whites have shown that the prevalence of masked hypertension differs by prehypertension status. Using data from the Jackson Heart Study, an exclusively African American population-based cohort, we evaluated the association of masked hypertension and prehypertension with left ventricular mass index and common carotid intima media thickness.Methods and resultsAt the baseline visit, clinic blood pressure (CBP) measurement and 24-hour ambulatory blood pressure monitoring were performed. Masked hypertension was defined as mean systolic/diastolic CBP <140/90 mm Hg and mean daytime systolic/diastolic ambulatory blood pressure ≥135/85 mm Hg. Clinic hypertension was defined as mean systolic/diastolic CBP ≥140/90 mm Hg. Normal CBP was defined as mean systolic/diastolic CBP <120/80 mm Hg and prehypertension as mean systolic/diastolic CBP 120 to 139/80 to 89 mm Hg. The analytic sample included 909 participants. Among participants with systolic/diastolic CBP <140/90 mm Hg, the prevalence of masked hypertension and prehypertension was 27.5% and 62.4%, respectively. The prevalence of masked hypertension among those with normal CBP and prehypertension was 12.9% and 36.3%, respectively. In a fully adjusted model, which included prehypertension status and antihypertensive medication use as covariates, left ventricular mass index was 7.94 g/m(2) lower among those without masked hypertension compared to participants with masked hypertension (P<0.001). Left ventricular mass index was also 4.77 g/m(2) lower among those with clinic hypertension, but this difference was not statistically significant (P=0.068). There were no significant differences in left ventricular mass index between participants with and without masked hypertension, or clinic hypertension.ConclusionsMasked hypertension was common among African Americans with prehypertension and also normal CBP, and was associated with subclinical cardiovascular disease.

Dataset Information

Prevalence and changes over time of ideal cardiovascular health metrics among African-Americans: the Jackson Heart Study.

Publications

Prevalence and changes over time of ideal cardiovascular health metrics among African-Americans: the Jackson Heart Study.

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