Abstract
Objective
To translate the Physical Activity Scale for Individuals with Physical Disabilities into Mandarin according to Brislin guidelines and to examine its reliability and validity.
Design
Cross-sectional study.
Settings
Two rehabilitation centers in China.
Participants
A convenience sample of 208 adults with spinal cord injury.
Main Measures
A total of 208 participants completed the Chinese version of the Physical Activity Scale for Individuals with Physical Disabilities at the first measurement. One week later, 122 of them completed both the scale and the International Physical Activity Questionnaire Short Form. Construct validity, criterion-related validity, internal consistency, test–retest reliability, goodness of fit of items, and differential item functioning were evaluated in this study.
Results
Factor analysis found a four-factor structure, including household activities, moderate to vigorous intensity activities, mild activities, and work-related activities. The Cronbach's α coefficient of the Chinese version of the Physical Activity Scale for Individuals with Physical Disabilities was 0.795. A significant correlation was found between Physical Activity Scale for Individuals with Physical Disabilities and International Physical Activity Questionnaire Short Form (r = 0.842, p＜0.05). The test–retest intraclass correlation coefficient was 0.814 (
Conclusion
The Chinese version of the Physical Activity Scale for Individuals with Physical Disabilities is a reliable and valid scale for assessing physical activity among individuals with spinal cord injury in China.
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References
Supplementary Material
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