Table 3.

Univariate linear regression analysis

Predictors	WOMAC total score (0–100)
	β	95% CI		Std. Error	P-value	R2	N
		Lower	Upper
Age	0.26	0.05	0.45	0.11	0.02	0.03	218
Female gender	4.56	−0.13	9.25	2.38	0.06	0.02	218
Living alone	−3.86	−8.60	0.89	2.41	0.11	0.01	218
Higher education	−5.30	−9.85	−0.74	2.31	0.02	0.02	218
Comorbidity	2.79	0.47	5.10	1.17	0.02	0.03	180
Baseline WOMAC total (0–100)	0.46	0.30	0.58	0.07	<0.001	0.15	213
Self-efficacy (10–40)	−0.52	−0.93	−0.11	0.21	0.01	0.03	212
Social support (16–96)	−0.26	−0.52	−0.003	0.13	0.05	0.02	215
Reliable alliance (4–16)	−2.13	−3.48	−0.78	0.69	0.002	0.04	214
Social integration (4–16)	−1.26	−2.54	0.02	0.65	0.05	0.02	212
Reassurance of worth (4–16)	−1.41	−2.63	−0.19	0.62	0.02	0.02	211