| Service delivery | Coef. | St. Err. | t-value | p-value | 95% Conf. | Interval | Sig | |||
| Extrinsic | 0.001 | 0.059 | 0.02 | 0.985 | −0.116 | 0.119 |
| |||
| Intrinsic | 0.169 | 0.064 | 2.65 | 0.009 | 0.043 | 0.296 | *** | |||
| Constant | 3.559 | 0.211 | 16.85 | 0.000 | 3.141 | 3.977 | *** | |||
| Model Summary | ||||||||||
| Mean dependent var | 4.096 | SD dependent var | 0.559 | |||||||
| R-squared | 0.062 | Number of obs | 132.000 | |||||||
| F-test | 4.237 | Prob > F | 0.017 | |||||||
| R | 0.25 | |||||||||