Table 4.
Results of the regression analyses.
| Variable | Group A (R2=0.689; significance level=.000) | Group B (R2=0.692; significance level=.000) | All variables (R2=0.916; significance level=.000) | |||
|
|
Unstandardized coefficient | Significance level | Unstandardized coefficient | Significance level | Unstandardized coefficient | Significance level |
| Physician’s professional title | 0.004 | 0.000 | 0.006 | 0.000 | 0.472 | 0.000 |
| Hospital’s ranking level | 0.018 | 0.000 | 0.019 | 0.000 | 0.220 | 0.000 |
| Number of thank-you letters | 0.096 | 0.000 | N/Aa | N/A | 0.001 | 0.363 |
| Timely response rate | 0.628 | 0.000 | 0.693 | 0.000 | 0.144 | 0.000 |
| Satisfaction with service outcome | N/A | N/A | -0.912 | 0.000 | 0.004 | 0.783 |
| Satisfaction with service attitude | –0.798 | 0.000 | N/A | N/A | –0.384 | 0.143 |
| Patients’ rating | 0.428 | 0.000 | N/A | N/A | 0.000 | 0.736 |
| Trust propensity | N/A | N/A | –0.013 | 0.000 | –0.043 | 0.482 |
| Reference group | 0.513 | 0.000 | 0.518 | 0.000 | –0.019 | 0.040 |
| Advice effectiveness | N/A | N/A | 0.002 | 0.000 | –0.028 | 0.744 |
aN/A: not applicable.