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Accelerometer-Measured Physical Activity and Sedentary Time among Children in Japan before and during COVID-19: A Cross-Sectional and Longitudinal Analysis

Author

Listed:
  • Chiaki Tanaka

    (Department of Human Nutrition, Tokyo Kasei Gakuin University, 22 Sanbancho, Chiyoda-ku, Tokyo 102-8341, Japan)

  • Akiko Shikano

    (Faculty of Sport Science, Nippon Sport Science University, 7-1-1 Fukasawa, Setagata-ku, Tokyo 185-8508, Japan)

  • Natsuko Imai

    (Faculty of Sport Science, Nippon Sport Science University, 7-1-1 Fukasawa, Setagata-ku, Tokyo 185-8508, Japan)

  • Kar Hau Chong

    (School of Health and Society and Early Start, Faculty of the Arts, Social Sciences and Humanities, University of Wollongong, Wollongong, NSW 2522, Australia)

  • Steven J. Howard

    (School of Education and Early Start, Faculty of the Arts, Social Sciences and Humanities, University of Wollongong, Wollongong, NSW 2522, Australia)

  • Kosuke Tanabe

    (Faculty of Humanities and Social Sciences, Teikyo Heisei University, 4-21-2, Nakano, Nakano-ku, Tokyo 164-8530, Japan)

  • Anthony D. Okely

    (School of Health and Society and Early Start, Faculty of the Arts, Social Sciences and Humanities, University of Wollongong, Wollongong, NSW 2522, Australia)

  • Ellie K. Taylor

    (School of Health and Society and Early Start, Faculty of the Arts, Social Sciences and Humanities, University of Wollongong, Wollongong, NSW 2522, Australia)

  • Shingo Noi

    (Faculty of Sport Science, Nippon Sport Science University, 7-1-1 Fukasawa, Setagata-ku, Tokyo 185-8508, Japan)

Abstract

This study examined changes in physical activity (PA), sedentary behavior (SB), screen time, sleep, and executive function among Japanese preschoolers between COVID-19 pre-pandemic and pandemic periods, using cross-sectional and longitudinal data. Accelerometer data from 63 children aged 5–6 years were collected from three kindergartens in Tokyo, Japan, in late 2019 (pre-COVID-19). This was compared to the data of 49 children aged 5–6 years from the same kindergartens, collected in late 2020 (during COVID-19). Sixteen children in the pre-COVID-19 cohort also participated in the 2020 survey and provided data for the longitudinal analysis. The mean minutes of PA, SB, screen time, and sleep duration, as well as executive function, were compared between the pre- and during COVID-19 cohorts. After adjusting for school, sex, and accelerometer wear time, there were no significant differences in any of the measured outcomes between the two cohorts. However, the analysis of longitudinal data revealed significant increases in time spent in SB and on screens, and a decrease in light-intensity PA and sleep duration during the pandemic compared to the pre-pandemic period. Results suggest that, despite the COVID-19 pandemic, young children’s activity levels and SB did not significantly differ from pre-pandemic levels. However, school-aged children’s SB, light PA, and sleep time were affected, although this cannot be disentangled from the effects of the transition to school.

Suggested Citation

  • Chiaki Tanaka & Akiko Shikano & Natsuko Imai & Kar Hau Chong & Steven J. Howard & Kosuke Tanabe & Anthony D. Okely & Ellie K. Taylor & Shingo Noi, 2023. "Accelerometer-Measured Physical Activity and Sedentary Time among Children in Japan before and during COVID-19: A Cross-Sectional and Longitudinal Analysis," IJERPH, MDPI, vol. 20(2), pages 1-10, January.
    • Handle: RePEc:gam:jijerp:v:20:y:2023:i:2:p:1130-:d:1029180
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    References listed on IDEAS

    as
    1. Johan Y. Y. Ng & Qing He & Kar Hau Chong & Anthony D. Okely & Cecilia H. S. Chan & Amy S. Ha, 2021. "The Impact of COVID-19 on Preschool-Aged Children’s Movement Behaviors in Hong Kong: A Longitudinal Analysis of Accelerometer-Measured Data," IJERPH, MDPI, vol. 18(22), pages 1-8, November.
    2. Chiaki Tanaka & Yuki Hikihara & Takafumi Ando & Yoshitake Oshima & Chiyoko Usui & Yuji Ohgi & Koichi Kaneda & Shigeho Tanaka, 2019. "Prediction of Physical Activity Intensity with Accelerometry in Young Children," IJERPH, MDPI, vol. 16(6), pages 1-11, March.
    Full references (including those not matched with items on IDEAS)

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