Table 3: Percentage of variability of walking attributed to pain, BMI, and covariates and expected change in walking for each one standard deviation increase in pain, BMI, and continuous covariates.

Partial R-square (%)Standardized Beta*

Knee pain (0–100)2.9−0.08
BMI (continuous)9.7−0.28
Age8.4−0.28
Sex0.3
Living situation0.1
Education0.0
Race0.0
Site2.1
Radiographic Knee Ostearthritis0.2
Pain in the hip, ankle, or foot0.0
Comorbidity2.4
Depressive Symptoms0.7
Isokinetic knee extensor strength1.60.17

*Calculated for continuous variables only.