Ann Geriatr Med Res 2017; 21(3): 101-107  http://dx.doi.org/10.4235/agmr.2017.21.3.101
Comparison Between Korean Version of Physical Activity Scale for the Elderly and International Physical Activity Questionnaire-Short Form in Evaluation of Frailty Phenotype
Il-Young Jang1,2,*, Hee-Won Jung3,*, Chang Ki Lee2,4, Young Soo Lee1, Eunju Lee1, Dae Hyun Kim5,6
1Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 2Pyeongchang Health Center & County Hospital, Pyeongchang, 3Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea, 4Goldman Urology Clinic, Seoul, 5Division of Gerontology, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, 6Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women’s Hospital, Boston, MA, USA
Correspondence to: Eunju Lee, MD, PhD
Department of Internal Medicine, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Korea
Tel: +82-2-3010-3308 Fax:+82-2-476-0824 E-mail: eunjulee@amc.seoul.kr
*These authors contributed equally to this study and should be considered co-first authors.
Received: June 16, 2017; Revised: July 4, 2017; Accepted: July 5, 2017; Published online: September 30, 2017.
© The Korea Geriatrics Society. All rights reserved.

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Abstract
Background: Evaluation of frailty in older people requires assessment of their physical activity level. The Korean version of the Physical Activity Scale for the Elderly (K-PASE) questionnaire is more comprehensive, yet it can be time-consuming and costly to administer on a large scale. The International Physical Activity Questionnaire (IPAQ) short form, which is simpler and free of charge, may replace the K-PASE for defining the Cardiovascular Health Study (CHS) frailty phenotype. Methods: We analyzed data from 160 community-dwelling older adults (mean age: 75 years) who were administered both the K-PASE and IPAQ short form questionnaires as part of the assessments in the Aging Study of Pyeongchang Rural Area. We compared agreements between the 2 physical activity questionnaires and between the CHS frailty phenotype defined using the K-PASE and IPAQ short form. Correlations between each CHS frailty phenotype definition and common geriatric syndromes were assessed. Results: The physical activity level measured using the K-PASE correlated modestly with the level measured using the IPAQ short form (correlation coefficient, 0.250; p=0.001). However, the agreement was substantially higher between the CHS frailty phenotype based on the K-PASE and the definition based on the IPAQ short form (Cohen kappa, 0.625; p<0.001). Both frailty phenotype definitions were positively correlated with most geriatric conditions. Conclusion: The simpler IPAQ short form may replace the more comprehensive K-PASE for assessing CHS frailty phenotype in older people. Our results should inform frailty assessment in research and clinical care settings.
Keywords: Frail elderly, Cohort studies, Exercise, Motor activity, Physical activity


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