Exercise Training in “At-Risk” Black and White Women: A Comparative Cohort Analyses

Purpose Few data on the effect of exercise interventions in black women at risk for cardiovascular disease are available. Methods Women ≥18 yr of age without known cardiovascular disease with ≥1 coronary risk factor were enrolled in a community-based exercise program ≥3 d·wk−1 for ≥30 min per session for 6 months. Exercise training intensity ~50% to 80% of functional capacity, using heart rate (HR) and/or rating of perceived exertion (RPE) as the primary intensity modulators. Preconditioning versus postconditioning quality of life assessments (depression and level of daytime sleepiness), dietary fat intake, Duke Activity Status Index score, changes in cardiovascular efficiency (systolic/diastolic blood pressure (SBP/DBP), HR, RPE during a standardized submaximal workload), and anthropometric measures, including body weight, body mass index, and waist circumference, were evaluated. Results Of 556 volunteers, 143 were excluded, leaving 413 women (222 white, 191 black; mean ± SD age, 61 ± 9 yr) who met compliance criteria. Both groups demonstrated significant (P

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