Abstract
The Korean frailty index 8-item questionnaire was established by a panel of experts from the Korean GeriatricsSociety. Demographic characteristics, the cardiovascular health study (CHS) frailty index and the Korean frailty index werecompleted for 240 men and women over 65 years visiting three selected community senior’s welfare centers from June 2009 to August 2009. Reliability was tested by internal consistency (Cronbach's alpha) and the test-retest reliability at a2-week interval. Validity was tested by a criterion validity comparison between the CHS frailty index and the validity indexestimated by the reliability index.
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