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This version was published on May 1, 2008
American Journal of Alzheimer's Disease and Other Dementias®, Vol. 23, No. 2, 200-206 (2008)
DOI: 10.1177/1533317507312625

Temporal Patterns of Movements in Institutionalized Elderly With Dementia During 12 Consecutive Days of Observation in Seoul, Korea

Kiyoko Makimoto, PhD

Department of Clinical Nursing, Graduate School of Medicine, Osaka University, Osaka, Japan, kmakimot{at}sahs.med.osaka-u.ac.jp

Eun Ah Lee, MD

Neurology Department, Seoul Metropolitan, Seobuk Hospital, Seoul, South Korea

Younhee Kang, PhD

College of Nursing Science, Ewha Womans University, Seoul, South Korea

Miyae Yamakawa, MS

Department of Nursing, Graduate School of Medicine, Osaka University, Osaka, Japan

Nobuyuki Ashida, PhD

Koshien University, Hyogo, Japan

Kyung Rim Shin, EdD

College of Nursing Science, Ewha Womans University, Seoul, South Korea

Background: The availability of increasingly sophisticated technology has meant that ambulation can be measured with precision over an extended period. Methods: An integrated circuit tag-monitoring system was set up to measure the distance moved in a dementia care unit in Korea in 2006. Various indicators were developed to measure temporal patterns of ambulation over time, such as the median distance moved per hour and the percentage of hours moved. Results: 12 consecutive days of movement data were available for 8 subjects. The mean age of the subjects was 76 ± 5.3 years. The median distance walked per day ranged from 206 to 976 m, and the percentage of hours with movement ranged from 28% to 81%. The changes in the activity level during daytime, evening, and nighttime also differed among the 8 subjects. Discussion: The indicators developed appeared to differentiate temporal patterns of movement in demented persons.

Key Words: dementia • wandering • variability • temporal pattern


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