Dataset Information

Application of a Lifestyle-Based Tool to Estimate Premature Cardiovascular Disease Events in Young Adults: The Coronary Artery Risk Development in Young Adults (CARDIA) Study.

ABSTRACT: Importance:Few tools exist for assessing the risk for early atherosclerotic cardiovascular disease (ASCVD) events in young adults. Objective:To assess the performance of the Healthy Heart Score (HHS), a lifestyle-based tool that estimates ASCVD events in older adults, for ASCVD events occurring before 55 years of age. Design, Setting, and Participants:This prospective cohort study included 4893 US adults aged 18 to 30 years from the Coronary Artery Risk Development in Young Adults (CARDIA) study. Participants underwent measurement of lifestyle factors from March 25, 1985, through June 7, 1986, and were followed up for a median of 27.1 years (interquartile range, 26.9-27.2 years). Data for this study were analyzed from February 24 through December 12, 2016. Exposures:The HHS includes age, smoking status, body mass index, alcohol intake, exercise, and a diet score composed of self-reported daily intake of cereal fiber, fruits and/or vegetables, nuts, sugar-sweetened beverages, and red and/or processed meats. The HHS in the CARDIA study was calculated using sex-specific equations produced by its derivation cohorts. Main Outcomes and Measures:The ability of the HHS to assess the 25-year risk for ASCVD (death from coronary heart disease, nonfatal myocardial infarction, and fatal or nonfatal ischemic stroke) in the total sample, in race- and sex-specific subgroups, and in those with and without clinical ASCVD risk factors at baseline. Model discrimination was assessed with the Harrell C statistic; model calibration, with Greenwood-Nam-D'Agostino statistics. Results:The study population of 4893 participants included 2205 men (45.1%) and 2688 women (54.9%) with a mean (SD) age at baseline of 24.8 (3.6) years; 2483 (50.7%) were black; and 427 (8.7%) had at least 1 clinical ASCVD risk factor (hypertension, hyperlipidemia, or diabetes types 1 and 2). Among these participants, 64 premature ASCVD events occurred in women and 99 in men. The HHS showed moderate discrimination for ASCVD risk assessment in this diverse population of mostly healthy young adults (C statistic, 0.71; 95% CI, 0.66-0.76); it performed better in men (C statistic, 0.74; 95% CI, 0.68-0.79) than in women (C statistic, 0.69; 95% CI, 0.62-0.75); in white (C statistic, 0.77; 95% CI, 0.71-0.84) than in black (C statistic, 0.66; 95% CI, 0.60-0.72) participants; and in those without (C statistic, 0.71; 95% CI, 0.66-0.76) vs with (C statistic, 0.64; 95% CI, 0.55-0.73) clinical risk factors at baseline. The HHS was adequately calibrated overall and within each subgroup. Conclusions and Relevance:The HHS, when measured in younger persons without ASCVD risk factors, performs moderately well in assessing risk for ASCVD events by early middle age. Its reliance on self-reported, modifiable lifestyle factors makes it an attractive tool for risk assessment and counseling for early ASCVD prevention.

SUBMITTER: Gooding HC

PROVIDER: S-EPMC5710563 | biostudies-literature | 2017 Sep

REPOSITORIES: biostudies-literature

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Application of a Lifestyle-Based Tool to Estimate Premature Cardiovascular Disease Events in Young Adults: The Coronary Artery Risk Development in Young Adults (CARDIA) Study.

Gooding Holly C HC Ning Hongyan H Gillman Matthew W MW Shay Christina C Allen Norrina N Goff David C DC Lloyd-Jones Donald D Chiuve Stephanie S

JAMA internal medicine 20170901 9

<h4>Importance</h4>Few tools exist for assessing the risk for early atherosclerotic cardiovascular disease (ASCVD) events in young adults.<h4>Objective</h4>To assess the performance of the Healthy Heart Score (HHS), a lifestyle-based tool that estimates ASCVD events in older adults, for ASCVD events occurring before 55 years of age.<h4>Design, setting, and participants</h4>This prospective cohort study included 4893 US adults aged 18 to 30 years from the Coronary Artery Risk Development in Young ...[more]

PMID: 28715555

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Project description:BackgroundDNA methylation-based GrimAge acceleration (GrimAA) is associated with a wide range of age-related health outcomes including cardiovascular disease. Since DNA methylation is modifiable by external and behavioral exposures, it is important to identify which of these exposures may have the strongest contributions to differences in GrimAA, to help guide potential intervention strategies. Here, we assessed the relative contributions of lifestyle- and health-related components, as well as their collective association, to GrimAA.ResultsWe included 744 participants (391 men and 353 women) from the Coronary Artery Risk Development in Young Adults (CARDIA) study with blood DNA methylation information at CARDIA Exam Year (Y) 20 (2005-2006, mean age 45.9 years). Six cumulative exposures by Y20 were included in the analysis: total packs of cigarettes, total alcohol consumption, education years, healthy diet score, sleep hours, and physical activity. We used quantile-based g-computation (QGC) and Bayesian kernel machine regression (BKMR) methods to assess the relative contribution of each exposure to a single overall association with GrimAA. We also assessed the collective association of the six components combined with GrimAA. Smoking showed the greatest positive contribution to GrimAA, accounting for 83.5% of overall positive associations of the six exposures with GrimAA (QGC weight = 0.835). The posterior inclusion probability (PIP) of smoking also achieved the highest score of 1.0 from BKMR analysis. Healthy diet and education years showed inverse contributions to GrimAA. We observed a U-shaped pattern in the contribution of alcohol consumption to GrimAA. While smoking was the greatest contributor across sex and race subgroups, the relative contributions of other components varied by subgroups.ConclusionsSmoking, alcohol consumption, and education showed the highest contributions to GrimAA in our study. Higher amounts of smoking and alcohol consumption were likely to contribute to greater GrimAA, whereas achieved education was likely to contribute to lower GrimAA. Identifying pertinent lifestyle- and health-related exposures in a context of collective components can provide direction for intervention strategies and suggests which components should be the primary focus for promoting younger GrimAA.

Project description:BACKGROUND:Dyslipidemia causes coronary heart disease in middle-aged and elderly adults, but the consequences of lipid exposure during young adulthood are unclear. OBJECTIVE:To assess whether nonoptimal lipid levels during young adulthood cause atherosclerotic changes that persist into middle age. DESIGN:Prospective cohort study. SETTING:4 cities in the United States. PARTICIPANTS:3258 participants from the 5115 black and white men and women recruited at age 18 to 30 years in 1985 to 1986 for the CARDIA (Coronary Artery Risk Development in Young Adults) study. MEASUREMENTS:Low-density lipoprotein (LDL) and high-density lipoprotein (HDL) cholesterol, triglycerides, and coronary calcium. Time-averaged cumulative exposures to lipids between age 20 and 35 years were estimated by using repeated serum lipid measurements over 20 years in the CARDIA study; these measurements were then related to coronary calcium scores assessed later in life (45 years [SD, 4]). RESULTS:2824 participants (87%) had nonoptimal levels of LDL cholesterol (>or=2.59 mmol/L [>or=100 mg/dL]), HDL cholesterol (<1.55 mmol/L [<60 mg/dL]), or triglycerides (>or=1.70 mmol/L [>or=150 mg/dL]) during young adulthood. Coronary calcium prevalence 2 decades later was 8% in participants who maintained optimal LDL levels (<1.81 mmol/L [<70 mg/dL]), and 44% in participants with LDL cholesterol levels of 4.14 mmol/L (160 mg/dL) or greater (P < 0.001). The association was similar across race and sex and strongly graded, with odds ratios for coronary calcium of 1.5 (95% CI, 0.7 to 3.3) for LDL cholesterol levels of 1.81 to 2.56 mmol/L (70 to 99 mg/dL), 2.4 (CI, 1.1 to 5.3) for levels of 2.59 to 3.34 mmol/L (100 to 129 mg/dL), 3.3 (CI, 1.3 to 7.8) for levels of 3.37 to 4.12 mmol/L (130 to 159 mg/dL), and 5.6 (CI, 2.0 to 16) for levels of 4.14 mmol/L (160 mg/dL) or greater, compared with levels less than 1.81 mmol/L (<70 mg/dL), after adjustment for lipid exposure after age 35 years and other coronary risk factors. Both LDL and HDL cholesterol levels were independently associated with coronary calcium after participants who were receiving lipid-lowering medications or had clinically abnormal lipid levels were excluded. LIMITATION:Coronary calcium, although a strong predictor of future coronary heart disease, is not a clinical outcome. CONCLUSION:Nonoptimal levels of LDL and HDL cholesterol during young adulthood are independently associated with coronary atherosclerosis 2 decades later. PRIMARY FUNDING SOURCE:National Heart, Lung, and Blood Institute.

Dataset Information

Application of a Lifestyle-Based Tool to Estimate Premature Cardiovascular Disease Events in Young Adults: The Coronary Artery Risk Development in Young Adults (CARDIA) Study.

Publications

Application of a Lifestyle-Based Tool to Estimate Premature Cardiovascular Disease Events in Young Adults: The Coronary Artery Risk Development in Young Adults (CARDIA) Study.

Similar Datasets

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