Association between self-reported walking speed and calcaneal stiffness index in postmenopausal Japanese women
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RESEARCH ARTICLE
Open Access
Association between self-reported walking speed and calcaneal stiffness index in postmenopausal Japanese women Yoshihito Tomita1,2, Kazuhiko Arima2* , Satoshi Mizukami2,3, Ritsu Tsujimoto4, Shin-ya Kawashiri5, Takayuki Nishimura2,6, Takuhiro Okabe7, Natsumi Tanaka2, Yuzo Honda2, Kazumi Nakahara8, Naoko Yamamoto9, Izumi Ohmachi10, Hisashi Goto11, Maiko Hasegawa12, Youko Sou13, Itsuko Horiguchi14, Mitsuo Kanagae2,3, Yasuyo Abe2, Fumiaki Nonaka15, Mami Tamai16, Hirotomo Yamanashi17, Yasuhiro Nagata18, Atsushi Kawakami16, Takahiro Maeda5 and Kiyoshi Aoyagi2
Abstract Background: Osteoporosis and related fractures, a worldwide public health issue of growing concern, is characterized by compromised bone strength and an increased risk of fracture. Here we show an association between self-reported walking speed and bone mass among community-dwelling postmenopausal Japanese women aged 50 years and older. Design; cross-sectional study: Setting and Participants; The survey population included 1008 postmenopausal women 50–92 years of age residing in rural communities. Methods: Self-reported walking speed was ascertained by asking the participants: “Is your walking speed faster than others of the same age and sex?” to which participants responded “yes (faster)” or “no (moderate/slower).” Calcaneal stiffness index was measured. Results: Women with a faster self-reported walking speed were younger and had a lower BMI, higher stiffness index, and higher grip strength than women with a slower walking speed. Multiple linear regression analysis adjusted for age, BMI, grip strength, comorbidity, current smoking, and alcohol drinking status showed a significant association between faster self-reported walking speed and higher calcaneal stiffness index (p < 0.001). Conclusions: Our findings suggest that questionnaires of walking speed may be useful for predicting bone mass and that a fast self-reported walking may benefit bone health in postmenopausal women. Keywords: Self-reported walking speed, Calcaneal stiffness index, Postmenopausal women
* Correspondence: [email protected] 2 Department of Public Health, Nagasaki University Graduate School of Biomedical Sciences, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan Full list of author information is available at the end of the article © The Author(s). 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to
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