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MDPI, International Journal of Environmental Research and Public Health, 2(14), p. 148, 2017

DOI: 10.3390/ijerph14020148

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Relationship between Sedentariness and Moderate-to-Vigorous Physical Activity in Youth: A Multivariate Multilevel Study

Journal article published in 2017 by Thayse Natacha Gomes, Donald Hedeker, Fernanda dos Santos, Fernanda Karina dos Santos, Michele Souza, Daniel Santos, Sara Pereira ORCID, Peter T. Katzmarzyk, José Maia
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

This study aimed to jointly analyse moderate-to-vigorous physical activity (MVPA) and sedentariness, and their correlates, in children within their school contexts, using a multivariate multilevel approach. The sample comprises 499 Portuguese children (284 girls) from 23 schools. MVPA and sedentary time were estimated by accelerometer. A set of predictor variables from both child and school levels was tested. Overall, schools explained a small amount of the total variance in both MVPA (5.6%) and sedentariness (3.2%), and a correlation coefficient of −0.45 (p