Journal of the American Medical Directors Association
JAMDA OnlineOriginal StudyEffects of a Combined Physical Training and Nutrition Intervention on Physical Performance and Health-Related Quality of Life in Prefrail Older Women Living in the Community: A Randomized Controlled Trial
Section snippets
Study Design
A 3-arm randomized controlled trial was designed to examine the effects of a combined exercise training and nutritional program intervention, compared with exercise training alone and control group (neither exercise nor nutrition program).
Participants
The participants were recruited from a “mass health checkup” of older residents in Itabashi Ward, Tokyo, Japan. The mass health checkup is a public comprehensive health examination program for community-dwelling older adults with the aim of preventing
Study Population
In total, 89 participants were randomized and 10 participants dropped out during the intervention. The mean age of the 79 participants was 76.8 (range 70–84) years. Compared with those who completed the 12-week intervention (n = 79), participants who dropped out (n = 10) did not differ significantly, except for the higher percentage of type 2 diabetes and lower SF-36 scores in several domains (Appendix C).
Baseline Characteristics
We compared baseline characteristics of the participants randomly assigned to each
Discussion
This study selected older women who were prefrail, defined by weak handgrip strength and slow walking speed, and examined how group sessions of physical exercise training and nutritional intervention affect their physical performance and HRQOL, and whether any improvement attained can be sustained long term. Overall, the effect on physical performance was not significant, except for the exercise group, compared with the control group, demonstrating a meaningful increase in hand grip strength
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The authors declare no conflicts of interest.
This study was supported in part by a Grant in Aid for Scientific Research from the Ministry of Education, Science and Culture of Japan (18700570) from April 2006 to March 2007. Yunhwan Lee was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF), funded by the Ministry of Education, Science and Technology (2012R1A1B3002939).