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The Physical Activity Scale for Individuals with Physical Disabilities: test-retest reliability and comparison with
Hidde P van der Ploeg1, Kitty R M Streppel, Allard J van der Beek
1Dept of Public and Occupational Heatlh, and Institute for Research in Extramural Medicine, VU University Medical Center, Amsterdam, The Netherlands.
Background:
The objective was to determine the test-retest reliability and criterion validity of the Physical Activity Scale for Individuals with Physical Disabilities (PASIPD).
Methods:
Forty-five non-wheelchair dependent subjects were recruited from three Dutch rehabilitation centers. Subjects' diagnoses were: stroke, spinal cord injury, whiplash, and neurological-, orthopedic- or back disorders. The PASIPD is a 7-d recall physical activity questionnaire that was completed twice, 1 wk apart. During this week, physical activity was also measured with an Actigraph accelerometer.
Results:
The test-retest reliability Spearman correlation of the PASIPD was 0.77. The criterion validity Spearman correlation was 0.30 when compared to the accelerometer.
Conclusions:
The PASIPD had test-retest reliability and criterion validity that is comparable to well established self-report physical activity questionnaires from the general population.
