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European Review of Aging and Physical Activity

, Volume 11, Issue 2, pp 133–139

First Online: 23 January 2014Received: 31 January 2013Accepted: 11 January 2014


Increased physical activity is positively associated with better health in community-dwelling older persons. It is unclear whether physical activity also influences success of inpatient rehabilitation. For the assessment of physical activity in inpatient rehabilitation the Physical Activity in Inpatient Rehabilitation Assessment PAIR, a short questionnaire based on five questions, was developed and preliminary validated. In this study, the PAIR was validated against a sensor-based physical activity measurement. Seventy functionally impaired and cognitively mostly intact patients of a German geriatric inpatient rehabilitation clinic who had undergone hip surgery n = 62 women, median age = 83 years participated. Physical activity was measured using the PAIR and a sensor-based activity monitor Physilog ®; BioAGM, CH. Assessments were conducted at admission T1 and 2 weeks later T2 during the rehabilitation process. To assess concurrent and predictive validity, Spearman correlations and linear regression models were calculated using sensor-based walking activity and uptime activity walking and standing time as dependent variables. Criterion-related concurrent validity using physical activity sensors was weak to moderate. Correlations were slightly higher at T2 r = 0.45-0.53 than at T1 r = 0.44-0.46. The objectively measured variance of physical activity, explained by the PAIR, ranged from 25 to 43 %. PAIR activity scores and sensor-based walking or total activity increased in a dose-dependent manner, confirming the scoring system of the PAIR. The application time was usually less than 2 min. The validity of the PAIR is weak to moderate when compared to a sensor-based activity monitor and comparable to existing physical activity assessments for community-dwelling older adults.

KeywordsGeriatric assessment Inpatient rehabilitation Psychometric properties Validity Physical activity  Download fulltext PDF

Autor: Michael D. Denkinger - Simone E. Flick - Thorsten Nikolaus - Clemens Becker - Kamiar Aminian - Ulrich Lindemann


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