Dissertation/Thesis Abstract

The comparison of the effects of lifestyle activity and structured cardiovascular exercise on obesity-related risk factors of African-American women ages 22–55
by Swearingin, Brenda, Ph.D., The University of North Carolina at Greensboro, 2008, 178; 3338758
Abstract (Summary)

The purpose of this study was to examine the effects of lifestyle activity modification (LA) and structured exercise (Cardio) on obesity-related factors in sedentary African American women. Subjects were randomized to a control group, a Cardio group, or LA group for a twelve week intervention. The study examined the intervention effects on physical activity patterns, blood lipids, glucose & insulin response, blood pressure, cardiovascular fitness and body composition.

Analysis of variance (ANOVA) for pre-post differences in the dependent variables revealed significant baseline differences between groups for LDL cholesterol only. Thus, pre-post treatment differences for LDL were assessed using an ANCOVA model, with baseline LDL as the covariate. Significant pre-post effects were observed for cardiorespiratory fitness (p = 0.024), physical activity level (p=0.000), total cholesterol (p=0.006), and HDL cholesterol (p=0.017). Significant pre-post by treatment condition interaction effects were observed for body weight (p=0.001), body composition (percent body fat) (p<0.001), and cardiorespiratory fitness (predicted VO2max) (p=0.024). Although post-hoc analysis failed to reveal significant differences among groups, there were slight trends (which merit further investigation) toward decreasing obesity-related risk within the 2 activity groups, when compared to Control.

Indexing (document details)
Advisor: Wideman, Laurie
Commitee: Davis, Paul, Karper, William, Kennedy-Malone, Laurie
School: The University of North Carolina at Greensboro
Department: School of Health & Human Performance: Exercise and Sport Science
School Location: United States -- North Carolina
Source: DAI-B 69/12, Dissertation Abstracts International
Subjects: Public health, Kinesiology
Keywords: African-American women, Cardiovascular exercise, Exercise, Lifestyle modification, Obesity, Overweight, Physical activity
Publication Number: 3338758
ISBN: 978-0-549-92784-6
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