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Validity of self-reported and objectively measured sedentary behavior in pregnancy.


ABSTRACT: BACKGROUND:Sedentary behavior (SED) is a potential risk factor for poor pregnancy outcomes. We evaluated the validity of several common and one new method to assess SED across three trimesters of pregnancy. METHODS:This cohort study of pregnant women measured objective and self-reported SED each trimester via thigh-worn activPAL3 micro (criterion), waist-worn Actigraph GT3X, and self-report from the Pregnancy Physical Activity Questionnaire (PPAQ) and the de novo Sedentary Behavior Two Domain Questionnaire (SB2D). SED (hours per day) and percent time in SED (SED%) from activPAL were compared to GT3X, SB2D, and PPAQ using Pearson's r, ICC, Bland-Altman analysis, and comparison of criterion SED and SED% across tertiles of alternative methods. RESULTS:Fifty-eight women (mean age 31.5?±?4.8?years; pre-pregnancy BMI 25.1?±?5.6?kg/m2; 76% white) provided three trimesters of valid activPAL data. Compared to activPAL, GT3X had agreement ranging from r?=?0.54-0.66 and ICC?=?0.52-0.65. Bland-Altman plots revealed small mean differences and unpatterned errors, but wide limits of agreement (greater than ±2?h and?±?15%). The SB2D and PPAQ had r?

SUBMITTER: Barone Gibbs B 

PROVIDER: S-EPMC7014698 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature

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Validity of self-reported and objectively measured sedentary behavior in pregnancy.

Barone Gibbs Bethany B   Paley Joshua L JL   Jones Melissa A MA   Whitaker Kara M KM   Connolly Christopher P CP   Catov Janet M JM  

BMC pregnancy and childbirth 20200211 1


<h4>Background</h4>Sedentary behavior (SED) is a potential risk factor for poor pregnancy outcomes. We evaluated the validity of several common and one new method to assess SED across three trimesters of pregnancy.<h4>Methods</h4>This cohort study of pregnant women measured objective and self-reported SED each trimester via thigh-worn activPAL3 micro (criterion), waist-worn Actigraph GT3X, and self-report from the Pregnancy Physical Activity Questionnaire (PPAQ) and the de novo Sedentary Behavio  ...[more]

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