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BMC Public Health
Published in: BMC Public Health 1/2016

Open Access 01-12-2016 | Research article

Pedometer-determined physical activity among youth in the Tokyo Metropolitan area: a cross-sectional study

Authors: Noritoshi Fukushima, Shigeru Inoue, Yuki Hikihara, Hiroyuki Kikuchi, Hiroki Sato, Catrine Tudor-Locke, Shigeho Tanaka

Published in: BMC Public Health | Issue 1/2016

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Abstract

Background

Providing large-scale descriptive data of objectively measured physical activity in youth is informative for practitioners, epidemiologists, and researchers. The purpose of this study was to present the pedometer-determined physical activity among Japanese youth using the Tokyo Metropolitan Survey of Physical Fitness, Physical Activity and Lifestyle 2011.

Methods

This study used a school-based survey. The Tokyo Metropolitan Board of Education originally collected pedometer-determined steps per day in the fall of 2011. Data were collected from 15,471 youth aged 6 to 18 years living in Tokyo. Participants were asked to wear pedometers for 14 consecutive days, and daily steps logged in the final 7 days were selected for this analysis.

Results

At the primary and junior high school levels, boys (12,483 and 9476, respectively) had a significantly higher mean number of steps per day than did girls (10,053 and 8408, respectively). There was no significant difference in the mean number of steps per day between the sexes at the high school level. Mean steps per day decreased consistently with age and grade level; the lowest overall steps per day was observed in the last year of junior high school, although there was a slight increase in the subsequent year, the first year of high school.

Conclusions

This study demonstrates a trend toward reduced physical activity with age in Japanese youth and a substantial difference in the number of steps per day between boys and girls in Tokyo. The age-related reduction in steps per day was greater in boys because they attained a higher peak value prior to this reduction, and sex-related differences in the step count disappeared in high school students.
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Metadata
Title
Pedometer-determined physical activity among youth in the Tokyo Metropolitan area: a cross-sectional study
Authors
Noritoshi Fukushima
Shigeru Inoue
Yuki Hikihara
Hiroyuki Kikuchi
Hiroki Sato
Catrine Tudor-Locke
Shigeho Tanaka
Publication date
01-12-2016
Publisher
BioMed Central
Published in
BMC Public Health / Issue 1/2016
Electronic ISSN: 1471-2458
DOI
https://doi.org/10.1186/s12889-016-3775-5

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