Table 3.

Spearman correlation analysis of all variables (significance level=.05), r.

Variable	Physician title	Hospital ranking level	Timely response rate	Satisfaction with service outcome	Satisfaction with service attitude	Thank-you letters	Patients’ rating	Trust propensity	Reference group	Advice effectiveness
Physician title (P<.001)	1	0.040	-0.006	0.012	0.012	0.005	0.004	0.065	0.004	0.016
Hospital ranking level (P<.001)	0.040	1	-0.036	0.018	0.018	0.093	0.012	0.063	0.009	0.020
Timely response rate (P<.001)	–0.006	–0.036	1	0.089	0.089	0.087	0.056	0.593	0.026	0.023
Satisfaction with service outcome (P=.78)	0.012	0.018	0.089	1	1.000	0.548	0.387	0.048	0.017	0.032
Satisfaction with service attitude (P=.14)	0.012	0.018	0.089	0.089	1	0.548	0.387	0.163	0.018	0.032
Thank-you letters (P=.36)	0.005	0.093	0.087	0.548	0.548	1	0.968	0.029	0.032	0.014
Patients’ rating (P=.74)	0.004	0.012	0.056	0.387	0.387	0.968	1	0.065	0.046	0.163
Trust propensity (P=.48)	0.065	0.063	0.593	0.048	0.163	0.029	0.065	1	0.034	1.000
Reference group (P=.04)	.004	0.009	0.026	0.017	0.018	0.032	0.046	0.034	1	0.008
Advice effectiveness (P=.74)	0.016	0.020	0.023	0.032	0.032	0.014	0.163	1.000	0.008	1