Osteoarthritis and functional disability: results of a cross sectional study among primary care patients in Germany

Table 4 Predictors of functional impairment of the lower body assessed by stepwise multiple regression model

Dependent: Symptom Unadjusted R² = 0.502 Adjusted R² = 0.478 F = 18.02; p < 0.0001	B	SE	T	P
PHQ-9 score	0.446	0.117	3.960	<0.0009
Symptom*	0.412	0.114	3.064	0.001
Educational level	-0.279	0.149	-2.092	0.029
BMI	0.332	0.072	2.022	0.005
Social*	0.201	0.098	2.034	0.042
Age	0.178	0.102	1.998	0.001

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