Table 2. Logistic regression analysis of outpatient healthcare services utilization.

Variable	Model 1		Model 2		Model 3
	Sig.	OR (95%CI)	Sig.	OR (95%CI)	Sig.	OR (95%CI)
Predisposing factors
Gender (female vs. male)	0.055	1.344 (0.994–1.818)	0.064	1.33 (0.983–1.8)	0.135	1.263 (0.93–1.715)
Enabling factors
Pension income level (RMB)
0–999	ref		ref		ref
1000–1999	0.104	1.346 (0.941–1.924)	0.147	1.305 (0.911–1.869)	0.092	1.367 (0.95–1.967)
2000+	0.280	0.812 (0.557–1.185)	0.222	0.79 (0.541–1.153)	0.232	0.791 (0.539–1.161)
Source of income
pension	ref		ref		ref
work or savings	0.315	0.731 (0.397–1.347)	0.355	0.75 (0.408–1.38)	0.333	0.74 (0.402–1.362)
family	0.087*	0.422 (0.157–1.135)	0.100	0.437 (0.163–1.173)	0.182	0.508 (0.188–1.372)
others	0.000*	6.497 (3.599–11.727)	0.000*	6.644 (3.669–12.03)	0.000*	7.322 (4.031–13.3)
Need factors
Self-reported health status
good	ref		ref		ref
normal	0.116	1.311 (0.935–1.837)	0.079	1.356 (0.966–1.904)	0.179	1.265 (0.898–1.782)
poor	0.000*	2.747 (1.78–4.24)	0.000*	2.923 (1.886–4.53)	0.000*	2.469 (1.572–3.877)
Life satisfaction
good	ref		ref		ref
normal	0.012*	1.472 (1.088–1.992)	0.010*	1.492 (1.101–2.021)	0.014*	1.47 (1.083–1.997)
poor	0.146	1.525 (0.864–2.693)	0.144	1.53 (0.865–2.705)	0.340	1.333 (0.739–2.403)
Physical health change
better	ref		ref		ref
unchanged	0.415	1.385 (0.633–3.027)	0.404	1.395 (0.639–3.049)	0.321	1.496 (0.675–3.313)
worse	0.003	3.301 (1.502–7.258)	0.003*	3.351 (1.524–7.367)	0.003*	3.344 (1.5–7.453)
unstable	0.005*	4.797 (1.587–14.49)	0.006*	4.719 (1.559–14.284)	0.008*	4.576 (1.494–14.011)
Disease status
Heart diseases (yes vs. no)					0.001*	1.693 (1.234–2.324)
Gastroenteritis (yes vs. no)					0.003*	2.181 (1.315–3.616)
Contextual Factors
Volunteer activities (no vs. yes)			0.012 *	0.603 (0.407–0.894)	0.019*	0.619 (0.415–0.924)
Chi-squared	166.366		172.327		192.011
df	13		14		16
Sig.	0.000		0.000		0.000
-2Log Likelihood		1339.348	1333.388		1313.703

*p < 0.05;

CI: confidence interval.