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Ambulatory activity associations with cardiovascular and metabolic risk factors in smokers.


ABSTRACT: BACKGROUND:We examined the association between ambulatory activity and biological markers of health in smokers. METHODS:Baseline data from 985 subjects enrolled in a pharmacologic smoking cessation trial were examined. Body size, blood pressure, total cholesterol (TC), low density lipoprotein cholesterol (LDL-C), total and small LDL particles, LDL size, high density lipoprotein cholesterol, triglycerides (TG), C-reactive protein (CRP), creatinine, fasting glucose, and hemoglobin A1c were assessed in relation to pedometer-assessed ambulatory activity, as was the odds of metabolic syndrome and CRP > 3 mg/L. Effect modification by gender was examined. RESULTS:Only waist circumference was lower with greater steps/day in the men and women combined (P(trend) < 0.001). No other significant relationships were noted in men, while women with ? 7500 steps/day had lower weight, BMI, CRP, TG, total, and small LDL particles compared with those with < 7500 steps/day. These women also had 62% and 43% lower odds of metabolic syndrome and elevated CRP, respectively, compared with the less active women. Adjustment for BMI attenuated all the associations seen in women. CONCLUSIONS:Greater ambulatory activity is associated with lower levels of metabolic and cardiovascular risk factors in female smokers which may, in part, be mediated by a reduction in BMI.

SUBMITTER: Julius BR 

PROVIDER: S-EPMC3175100 | biostudies-literature | 2011 Sep

REPOSITORIES: biostudies-literature

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Ambulatory activity associations with cardiovascular and metabolic risk factors in smokers.

Julius Brad R BR   Ward B Ann BA   Stein James H JH   McBride Patrick E PE   Fiore Michael C MC   Colbert Lisa H LH  

Journal of physical activity & health 20110901 7


<h4>Background</h4>We examined the association between ambulatory activity and biological markers of health in smokers.<h4>Methods</h4>Baseline data from 985 subjects enrolled in a pharmacologic smoking cessation trial were examined. Body size, blood pressure, total cholesterol (TC), low density lipoprotein cholesterol (LDL-C), total and small LDL particles, LDL size, high density lipoprotein cholesterol, triglycerides (TG), C-reactive protein (CRP), creatinine, fasting glucose, and hemoglobin A  ...[more]

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