Multiple Linear Regression Results for Prediction of WHODAS 2.0 Total Score (R2=61.7%, Adjusted R2=60.5%)a
↵a Other variables considered but not significant: age, sex, education (no, yes), acute pain (no, yes), pain frequency (no pain, seldom, occasionally, often, always), number of chronic conditions. WHODAS 2.0=12-item World Health Organization Disability Assessment Schedule, SPPB=Short Physical Performance Battery, GDS=Geriatric Depression Scale, RAPA=Rapid Assessment of Physical Activity, NA=not applicable.