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Physical Activity, Sedentary Behaviour and Sleep, and Their Association with BMI in a Sample of Adolescent Females in New Zealand

Author

Listed:
  • Lauren S. Tye

    (Department of Human Nutrition, University of Otago, Dunedin 9016, New Zealand)

  • Tessa Scott

    (Department of Human Nutrition, University of Otago, Dunedin 9016, New Zealand)

  • Jillian J. Haszard

    (Department of Human Nutrition, University of Otago, Dunedin 9016, New Zealand)

  • Meredith C. Peddie

    (Department of Human Nutrition, University of Otago, Dunedin 9016, New Zealand)

Abstract

Despite activity guidelines moving towards a 24-h focus, we have a poor understanding of the 24-h activity patterns of adolescents. Therefore, this study aims to describe the 24-h activity patterns of a sample of adolescent females and investigate the association with body mass index (BMI). Adolescent females aged 15–18 years ( n = 119) were recruited across 13 schools in 8 locations throughout New Zealand. Actigraph GT3X+ accelerometers were worn 24-h a day for seven days and the output was used to identify time spent in each 24-h component (sleep, sedentary, light-intensity physical activity and moderate-to-vigorous intensity physical activity). In a 24-h period, adolescent females spent approximately half their time sedentary, one third sleeping and the remainder in light-intensity physical activity (15%) and moderate-to-vigorous intensity physical activity (5%). Higher BMI z-scores were associated with 16 min more time spent in light-intensity physical activity. Additionally, those with higher BMI were less likely to meet the sleep and physical activity guidelines for this age group. Compliance with the moderate-to-vigorous intensity physical activity guidelines, sleep guidelines, or both, was low, especially in those classified as overweight or obese. The association between BMI and light activity warrants further investigation.

Suggested Citation

  • Lauren S. Tye & Tessa Scott & Jillian J. Haszard & Meredith C. Peddie, 2020. "Physical Activity, Sedentary Behaviour and Sleep, and Their Association with BMI in a Sample of Adolescent Females in New Zealand," IJERPH, MDPI, vol. 17(17), pages 1-10, August.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:17:p:6346-:d:406832
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    References listed on IDEAS

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    1. Li Ying & Xihe Zhu & Justin Haegele & Yang Wen, 2020. "Movement in High School: Proportion of Chinese Adolescents Meeting 24-Hour Movement Guidelines," IJERPH, MDPI, vol. 17(7), pages 1-9, April.
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    Cited by:

    1. Meredith C. Peddie & Tessa Scott & Jillian J. Haszard, 2021. "Using a 24 h Activity Recall (STAR-24) to Describe Activity in Adolescent Boys in New Zealand: Comparisons between a Sample Collected before, and a Sample Collected during the COVID-19 Lockdown," IJERPH, MDPI, vol. 18(15), pages 1-11, July.
    2. Jennifer T. Gale & Jillian J. Haszard & Tessa Scott & Meredith C. Peddie, 2021. "The Impact of Organised Sport, Physical Education and Active Commuting on Physical Activity in a Sample of New Zealand Adolescent Females," IJERPH, MDPI, vol. 18(15), pages 1-12, July.

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