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Purpose: This study was to identify the prevalence of orthostatic hypotension and its association with risk factors of orthostatic hypotension aged over 60 in Seoul and Chungju, Korea. Method: The data were collected from the 22th of August, 2000 to the 7th May 2001. The participants were 74 community-dwelling aged who could stand up from sitting position without assistance. Subjects were interviewed with structured questionnaire in order to ask experience of previous falls, hours in per day, symptoms related orthostatic hypotension and demographic characteristics. Orthostatic hypotension was assessed at 1 minute after the subjects standing from sitting position and defined as 20mmHg or greater decrease in systolic blood pressure after standing. Result: The prevalence of orthostatic hypotension was 17.1%. The mean drop of systolic blood pressure was 27.46mmHg among orthostatic hypotension subjects. The significant variables which explain the occurrence of orthostatic hypotension was the basal systolic blood pressure, the hit ratio of discriminant function with basal systolic blood pressure was 69.7%. Conclusion: Finding indicate that this study will contribute to develop nursing strategies to identify risk factors and to prevent orthostatic hypotension for the aged.