Social epidemiology of Fitbit daily steps in early adolescence

Sociodemographic disparities in adolescent physical activity have been documented but mostly rely on self-reported data. Our objective was to examine differences in device-based step metrics, including daily step count (steps d ), by sociodemographic factors among a diverse sample of 10-to-14-year-o...

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Bibliographic Details
Published in:Pediatric research 2023-11, Vol.94 (5), p.1838-1844
Main Authors: Nagata, Jason M, Alsamman, Sana, Smith, Natalia, Yu, Jiayue, Ganson, Kyle T, Dooley, Erin E, Wing, David, Baker, Fiona C, Pettee Gabriel, Kelley
Format: Article
Language:English
Subjects:
Adolescent
Child
Ethnicity
Exercise
Family income
Female
Fitness Trackers
Heterosexuality
Households
Humans
Male
Minority & ethnic groups
Minority Groups
Population Study
Prospective Studies
Sexual orientation
Sociodemographics
Teenagers
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Summary:Sociodemographic disparities in adolescent physical activity have been documented but mostly rely on self-reported data. Our objective was to examine differences in device-based step metrics, including daily step count (steps d ), by sociodemographic factors among a diverse sample of 10-to-14-year-old adolescents in the US. We analyzed prospective cohort data from Year 2 (2018-2020) of the Adolescent Brain Cognitive Development (ABCD) Study (N = 6460). Mixed-effects models were conducted to estimate associations of sociodemographic factors (sex, sexual orientation, race/ethnicity, household income, parental education, and parental marital status) with repeated measures of steps d over the course of 21 days. Participants (49.6% female, 39.0% racial/ethnic minority) accumulated an average of 9095.8 steps d . In mixed-effects models, 1543.6 more steps d were recorded for male versus female sex, Black versus White race (328.8 more steps d ), heterosexual versus sexual minority sexual orientation (676.4 more steps d ), >$200,000 versus $100,000 versus
ISSN:0031-3998
1530-0447
DOI:10.1038/s41390-023-02700-4