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Objective and Self-Reported Measures of Physical Activity and Sex Hormones: Women's Lifestyle Validation Study.


ABSTRACT: Background: The relationship between specific characteristics of physical activity (PA) (eg, intensity, type, frequency) with sex hormones is uncertain. The authors evaluated the association between characteristics of PA and circulating sex hormones. Methods: This was a cross-sectional analysis of the Women's Lifestyle Validation Study (n?=?493). Total PA, light-intensity PA (LPA), and moderate- to vigorous-intensity PA (MVPA) were assessed by accelerometry (a) and self-report (sr). Self-report was used to assess PA type (ie, aerobic, weight training) and exercise frequency. Dehydroepiandrosterone sulfate, testosterone, and sex hormone-binding globulin (SHBG) were assayed among all women; estradiol was assayed in postmenopausal women not currently on hormone therapy. Results: Estradiol was inversely associated and SHBG positively associated with MVPA and LPA (estradiol: ??=?-0.15 per SD increase, P???.01 for a-MVPA and a-LPA; SHBG: a-MVPA ??=?0.20 per SD increase, P???.01, a-LPA ??=?0.15, P?

SUBMITTER: Hawkins M 

PROVIDER: S-EPMC6823841 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Objective and Self-Reported Measures of Physical Activity and Sex Hormones: Women's Lifestyle Validation Study.

Hawkins Marquis M   Tobias Deirdre K DK   Alessa Hala B HB   Chomistek Andrea K AK   Barnett Junaidah B JB   Willett Walter C WC   Hankinson Susan E SE  

Journal of physical activity & health 20190411 5


<b>Background</b>: The relationship between specific characteristics of physical activity (PA) (eg, intensity, type, frequency) with sex hormones is uncertain. The authors evaluated the association between characteristics of PA and circulating sex hormones. <b>Methods</b>: This was a cross-sectional analysis of the Women's Lifestyle Validation Study (n = 493). Total PA, light-intensity PA (LPA), and moderate- to vigorous-intensity PA (MVPA) were assessed by accelerometry (a) and self-report (sr)  ...[more]

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