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A 20-Year Follow-Up Study of Objectively Measured Physical Activity

Author

Listed:
  • Anders Raustorp

    (Department of Food and Nutrition, and Sport Science, University of Gothenburg, 405 30 Gothenburg, Sweden)

  • Andreas Fröberg

    (Department of Food and Nutrition, and Sport Science, University of Gothenburg, 405 30 Gothenburg, Sweden)

Abstract

Background: The objectives of this study were to explore the effect of time, long-term tracking, and the proportion of objectively measured physical activity (PA) from early adolescence to the mid-thirties. Methods: PA was measured as mean steps per day (SPD) with pedometers during 2000 (T1), 2003 (T2), 2005 (T3), 2010 (T4), 2016 (T5) and 2020 (T6). Data from 64 participants ( n = 32 males) were analysed from their early adolescence (T1) to their mid-thirties (T6). Results: SPD decreased in the total sample and among males and females (all, p < 0.001). Males took more mean SPD than females during T1 ( p = 0.002), whereas females took more mean SPD during T2 ( p = 0.009) and T6 ( p = 0.008). Males’ mean SPD tracked between T1 and T2 ( p = 0.021), T2 and T3 ( p = 0.030), T3 and T4 ( p = 0.015) and T4 and T5 ( p = 0.003). Females’ mean SPD tracked between T3 and T4 ( p = 0.024) and T5 and T6 ( p < 0.001). In the total sample, more mean SPD were found on weekdays compared to weekend days at T3 ( p = 0.017) and T5 ( p < 0.001). Conclusions: SPD decreased between T1 and T6. Mean SPD tracked low-to-moderate in the short time span. From late adolescence to the mid-thirties, more mean SPD was observed during weekdays compared to weekend days.

Suggested Citation

  • Anders Raustorp & Andreas Fröberg, 2021. "A 20-Year Follow-Up Study of Objectively Measured Physical Activity," IJERPH, MDPI, vol. 18(6), pages 1-9, March.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:6:p:3076-:d:518719
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