A prospective cohort study of muscular and performance fitness and incident glaucoma: The niigata wellness study

Ryoko Kawakami, Yuko Gando, Kiminori Kato, Susumu S. Sawada, Haruki Momma, Motohiko Miyachi, I. Min Lee, Steven N. Blair, Minoru Tashiro, Chika Horikawa, Yasuhiro Matsubayashi, Takaho Yamada, Kazuya Fujihara, Hirohito Sone

Research output: Contribution to journalArticlepeer-review

Abstract

Background: To examine the association between muscular and performance fitness (MPF) and the incidence of glaucoma. Methods: A total of 27,051 glaucoma-free participants aged 20-87 years underwent physical fitness tests between April 2001 and March 2002. The MPF index was calculated using an age- and sex-specific summed z-score from grip strength, vertical jump, single-leg balance, forward bending, and whole-body reaction time. The participants were divided into quartiles according to the MPF index and each physical fitness test. Participants were followed up for the development of glaucoma, which was defined based on physician-diagnosed glaucoma at an annual health examination between April 2002 and March 2008. Hazard ratios for the incidence of glaucoma were estimated using Cox proportional hazards models. Results: During follow-up, 303 participants developed glaucoma. Compared with the lowest MPF index group, hazard ratio (95% confidence interval) of developing glaucoma was 0.64 (0.46-0.89) for the highest MPF index group (P for trend =.001). Vertical jump and whole-body reaction time were associated with incident glaucoma (P for trend =.01 and <.001, respectively). There were no associations between the other physical fitness tests and the incidence of glaucoma. Conclusion: Higher MPF is associated with lower incidence of glaucoma.

Original languageEnglish
Pages (from-to)1171-1178
Number of pages8
JournalJournal of Physical Activity and Health
Volume17
Issue number11
DOIs
Publication statusPublished - 2020 Nov
Externally publishedYes

Keywords

  • Epidemiology
  • Physical fitness
  • Physical performance
  • Public health
  • Strength

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

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