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KMID : 0379220170370020431
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Journal of Korea Gerontological Society
2017 Volume.37 No. 2 p.431 ~ p.444
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Effects of Cognition Improvement Programs on Normal Elderly in Korea: A Systematic Review and Meta-Analysis
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Kim Kyoung-Yun
Lee Eun-Joo
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Abstract
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This study identified effect size of cognition improvement programs developed for normal elderly in Korea. By searching four databases, 9,624 studies published from 2000 to 2016 were identified.
Finally, 14 studies which satisfied the inclusion criteria were selected for meta-analysis. Quality assessment of included studies was conducted using controlled trial checklist of Scottish Intercollegiate Guidelines Network. R version 3.3.2 (2016-10-31) with meta and metafor package was used to calculate effect sizes, identify the reasons of heterogeneity, and check publication bias.
Total effect size of cognition improvement program was middle (SMD=0.759, p<.001, I 2 =34%). For heterogeneity, moderator analysis was executed and combined program with exercise had the largest effect size (SMD=1.231, p<.001, I 2 =40.8%). Publication bias was exist by funnel plot and Egger s regression test, but trim and fill analysis showed that there was no serious error to reverse study results. Therefore, Combined program with exercise for the normal elderly was expected to improve the cognitive function of the normal elderly.
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KEYWORD
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Aged , cognition , dementia , exercise , meta-analysis
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