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The relationship between health-related fitness and quality of life in postmenopausal women from Southern Taiwan

Authors Hsu WH, Chen CL, Kuo LT, Fan CH, Lee MS, Hsu RWW

Received 16 April 2014

Accepted for publication 9 July 2014

Published 16 September 2014 Volume 2014:9 Pages 1573—1579

DOI https://doi.org/10.2147/CIA.S66310

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Wei-Hsiu Hsu,1–3 Chi-lung Chen,2 Liang Tseng Kuo,2 Chun-Hao Fan,1 Mel S Lee,2 Robert Wen-Wei Hsu2

1Sports Medicine Center, Chang Gung Memorial Hospital at Chia Yi, Chia Yi, Taiwan; 2Division of Sports Medicine, Department of Orthopedic Surgery, Chang Gung Memorial Hospital at Chia Yi, Chia Yi, Taiwan; 3Department of Medicine, Chang Gung University, Tao Yuan, Taiwan

Background: Health-related fitness has been reported to be associated with improved quality of life (QoL) in the elderly. Health-related fitness is comprised of several dimensions that could be enhanced by specific training regimens. It has remained unclear how various dimensions of health-related fitness interact with QoL in postmenopausal women.
Objective: The purpose of the current study was to investigate the relationship between the dimensions of health-related fitness and QoL in elderly women.
Methods: A cohort of 408 postmenopausal women in a rural area of Taiwan was prospectively collected. Dimensions of health-related fitness, consisting of muscular strength, balance, cardiorespiratory endurance, flexibility, muscle endurance, and agility, were assessed. QoL was determined using the Short Form Health Survey (SF-36). Differences between age groups (stratified by decades) were calculated using a one-way analysis of variance (ANOVA) and multiple comparisons using a Scheffé test. A Spearman’s correlation analysis was performed to examine differences between QoL and each dimension of fitness. Multiple linear regression with forced-entry procedure was performed to evaluate the effects of health-related fitness. A P-value of <0.05 was considered statistically significant.
Results: Age-related decreases in health-related fitness were shown for sit-ups, back strength, grip strength, side steps, trunk extension, and agility (P<0.05). An age-related decrease in QoL, specifically in physical functioning, role limitation due to physical problems, and physical component score, was also demonstrated (P<0.05). Multiple linear regression analyses demonstrated that back strength significantly contributed to the physical component of QoL (adjusted beta of 0.268 [P<0.05]).
Conclusion: Back strength was positively correlated with the physical component of QoL among the examined dimensions of health-related fitness. Health-related fitness, as well as the physical component of QoL, declined with increasing age.

Keywords: postmenopausal women, health related fitness, back strength, quality of life

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