Tracking of Pedometer-Determined Physical Activity in Healthy Elderly Japanese People

Naofumi Yamamoto, Mieko Shimada, Naoki Nakagawa, Susumu S. Sawada, Mamoru Nishimuta, Yasuo Kimura, Masaharu Ohashi, Hidenori Asai, Hideo Miyazaki, I. Min Lee, Steven N. Blair, Yutaka Yoshitake

研究成果: Article査読

1 被引用数 (Scopus)

抄録

Background: Tracking refers to the tendency for an individual to maintain their rank within a group over time. This study longitudinally investigated the 8-year tracking of pedometer-determined physical activity among physically independent elderly Japanese people aged 72 to 80 years. Methods: Steps/day were measured when participants were aged 72 and assessed again after 2, 5, and 8 years. The number of participants with a 2-year follow-up (72 to 74 years) was 177 (101 males, 76 females), with a 5-year follow-up (72 to 77 years) was 183 people (110 males, 73 females), and with an 8-year follow-up (72 to 80 years) was 145 people (91 males, 54 females). Step counts were continuously measured for 1 week in January, April, July, and October during each year of assessment. Results: A high rank correlation coefficient for steps/day exceeding 0.60 was obtained at the 2-, 5- and 8-year follow-up examinations for both males and females. Conclusion: This study suggests that the rank within a group of pedometer-determined steps/day remains stable over up to 8 years in healthy Japanese people aged between 72 to 80 years old.

本文言語English
ページ(範囲)1421-1429
ページ数9
ジャーナルJournal of Physical Activity and Health
12
10
DOI
出版ステータスPublished - 2015 10
外部発表はい

ASJC Scopus subject areas

  • 整形外科およびスポーツ医学

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