Sociodemographic disparities in sedentary time among US youth vary by period of the day

María Enid Santiago-Rodríguez, Jinsong Chen, Karin A Pfeiffer, David X Marquez and Eduardo Esteban Bustamante

PLOS ONE, 2024, vol. 19, issue 1, 1-14

Abstract: Introduction: Studies have reported sex and race/ethnicity disparities in sedentary time (ST), but none have evaluated ST by well-defined periods of the weekday (before school, during school, afterschool, and evening) and weekend day (morning, afternoon, and evening). Comparing sex and race/ethnicity disparities in ST at different periods of a weekday and weekend day can deepen our understanding of disparities and inform intervention efforts. This study tests sex and race/ethnicity disparities in ST by period of day in a representative sample of US youth. Methods: Youth (N = 2,972) from the 2003–2006 NHANES waves reported demographic variables and wore an accelerometer for 7 consecutive days to assess ST. Linear regressions were conducted to test relationships between sex and race/ethnicity and ST (min/hour) during each period of a weekday and weekend day. ST differences by sex and race/ethnicity were calculated to identify the periods of the day presenting the largest opportunity to reduce disparities. Results: Females were more sedentary than males during school (p

Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0296515

DOI: 10.1371/journal.pone.0296515

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