Sitting Time and Cardiometabolic Risk Factors in African American Overweight Women

Findings from previous research linking sedentary time with cardiometabolic risk factors and body composition are inconsistent, and few studies address population groups most vulnerable to these compromising conditions. The purpose of this paper was to investigate the relationship of sitting time to...

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Main Authors: Rebecca E. Lee, Scherezade K. Mama, Ygnacio Lopez III
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Journal of Obesity
Online Access:http://dx.doi.org/10.1155/2012/803467
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author Rebecca E. Lee
Scherezade K. Mama
Ygnacio Lopez III
author_facet Rebecca E. Lee
Scherezade K. Mama
Ygnacio Lopez III
author_sort Rebecca E. Lee
collection DOAJ
description Findings from previous research linking sedentary time with cardiometabolic risk factors and body composition are inconsistent, and few studies address population groups most vulnerable to these compromising conditions. The purpose of this paper was to investigate the relationship of sitting time to cardiometabolic risk factors and body composition among African American women. A subsample of African American women (N=135) completed health and laboratory assessments, including measures of blood pressure, resting heart rate, cholesterol, triglycerides, glucose, body mass index, body fat, sitting time, and demographics. Simultaneous, adjusted regression models found a positive association between weekend sitting time and glucose and an inverse association between weekly sedentary time and cholesterol (ps<.05). There were no significant associations between sedentary behavior and body composition. The unexpected relationship between sedentary time and cholesterol suggests that the relationship of sedentary behavior to cardiometabolic risk factors may depend on existing characteristics of the population and measurement definition of sedentary behavior. Results suggest distinctly different relationships between weekend and weekday sitting time, implicating a need for careful measurement and intervention that reflects these differences.
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spelling doaj-art-436ee938a5b5434ea6adcae6d00679e02025-02-03T05:43:45ZengWileyJournal of Obesity2090-07082090-07162012-01-01201210.1155/2012/803467803467Sitting Time and Cardiometabolic Risk Factors in African American Overweight WomenRebecca E. Lee0Scherezade K. Mama1Ygnacio Lopez III2Texas Obesity Research Center, Department of Health and Human Performance, University of Houston, Houston, TX 77204, USATexas Obesity Research Center, Department of Health and Human Performance, University of Houston, Houston, TX 77204, USATexas Obesity Research Center, Department of Health and Human Performance, University of Houston, Houston, TX 77204, USAFindings from previous research linking sedentary time with cardiometabolic risk factors and body composition are inconsistent, and few studies address population groups most vulnerable to these compromising conditions. The purpose of this paper was to investigate the relationship of sitting time to cardiometabolic risk factors and body composition among African American women. A subsample of African American women (N=135) completed health and laboratory assessments, including measures of blood pressure, resting heart rate, cholesterol, triglycerides, glucose, body mass index, body fat, sitting time, and demographics. Simultaneous, adjusted regression models found a positive association between weekend sitting time and glucose and an inverse association between weekly sedentary time and cholesterol (ps<.05). There were no significant associations between sedentary behavior and body composition. The unexpected relationship between sedentary time and cholesterol suggests that the relationship of sedentary behavior to cardiometabolic risk factors may depend on existing characteristics of the population and measurement definition of sedentary behavior. Results suggest distinctly different relationships between weekend and weekday sitting time, implicating a need for careful measurement and intervention that reflects these differences.http://dx.doi.org/10.1155/2012/803467
spellingShingle Rebecca E. Lee
Scherezade K. Mama
Ygnacio Lopez III
Sitting Time and Cardiometabolic Risk Factors in African American Overweight Women
Journal of Obesity
title Sitting Time and Cardiometabolic Risk Factors in African American Overweight Women
title_full Sitting Time and Cardiometabolic Risk Factors in African American Overweight Women
title_fullStr Sitting Time and Cardiometabolic Risk Factors in African American Overweight Women
title_full_unstemmed Sitting Time and Cardiometabolic Risk Factors in African American Overweight Women
title_short Sitting Time and Cardiometabolic Risk Factors in African American Overweight Women
title_sort sitting time and cardiometabolic risk factors in african american overweight women
url http://dx.doi.org/10.1155/2012/803467
work_keys_str_mv AT rebeccaelee sittingtimeandcardiometabolicriskfactorsinafricanamericanoverweightwomen
AT scherezadekmama sittingtimeandcardiometabolicriskfactorsinafricanamericanoverweightwomen
AT ygnaciolopeziii sittingtimeandcardiometabolicriskfactorsinafricanamericanoverweightwomen