| Project/Area Number |
16390187
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Public health/Health science
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| Research Institution | Tokyo Metropolitan Foundation for Research on Aging and Promotion of Human Welfare |
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Principal Investigator |
SUZUKI Takao Tokyo Metropolitan Foundation for Research on Aging and Promotion of Human Welfare, Tokyo Metropolitan Institute of Gerontology, Vice-Director, 東京都老人総合研究所, 副所長 (30154545)
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| Co-Investigator(Kenkyū-buntansha) |
YOSHIDA Hideyo Tokyo Metropolitan Foundation for Research on Aging and Promotion of Human Welfare, Tokyo Metropolitan Institute of Gerontology, Senior Research Scientist, 東京都老人総合研究所, 研究副部長 (00242735)
KIM Hunkyung Tokyo Metropolitan Foundation for Research on Aging and Promotion of Human Welfare, Tokyo Metropolitan Institute of Gerontology, Senior Research Scientist, 東京都老人総合研究所, 研究副部長 (20282345)
KWON Jinhee Tokyo Metropolitan Foundation for Research on Aging and Promotion of Human Welfare, Tokyo Metropolitan Institute of Gerontology, Research Scientist, 東京都老人総合研究所, 研究員 (50415494)
YOSHIDA Yuko Tokyo Metropolitan Foundation for Research on Aging and Promotion of Human Welfare, Tokyo Metropolitan Institute of Gerontology, Research Scientist, 東京都老人総合研究所, 研究員 (30321871)
古名 丈人 財団法人東京都高齢者研究, 福祉振興財団・東京都老人総合研究所, 研究助手 (20238687)
杉浦 美穂 財団法人東京都高齢者研究, 福祉振興財団・東京都老人総合研究所, 研究助手 (30260293)
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| Project Period (FY) |
2004 – 2006
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| Project Status |
Completed (Fiscal Year 2006)
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| Budget Amount *help |
¥14,000,000 (Direct Cost: ¥14,000,000)
Fiscal Year 2006: ¥3,000,000 (Direct Cost: ¥3,000,000)
Fiscal Year 2005: ¥5,300,000 (Direct Cost: ¥5,300,000)
Fiscal Year 2004: ¥5,700,000 (Direct Cost: ¥5,700,000)
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| Keywords | Serum vitamin D / Sarcopenia / Frailty / Functional capacity / Fall / Elderly / 虚弱化 生活機能 |
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| Research Abstract |
Vitamin D deficiency characterized by low 25-hydroxy vitamin D [25 (OH) D] levels has been found to be prevalent among the elderly in many regions of the world. To investigate the vitamin D status in elderly community-living person in Japan, we measured 25 (OH) D at a baseline survey of 2004-2006.
As a result, we managed to measure 25 (OH) D of 4,305 elderly persons with age 65 and above living in communities. Major outcomes of the analysis on vitamin-D status are as follows: 1) Seasonal difference of 25 (OH) D ; measurement in summer is significantly higher level than in autumn. 2) Sex difference ; male at any age is significantly higher than female. 3) Institutionalized elderly showed significantly lower level of 25 (OH) D level than community/home-living elderly. And 4) lower level of 25 (OH) D is significantly associated with fall occurrence and decline of fall-related physical fitness.
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