Table 8.
Regression of logarithm of the number of telephone mainlines per 1 000 people
| Variable | Coefficient | t-statistic | P > t | 95% Conf. Interval |
| Logarithm of combined enrolment ratio | 0.911 | 2.63* | 0.012 | 0.306 to 0.839 |
| Logarithm of per capita income | 0.573 | 4.36* | 0.000 | 0.306 to 0.839 |
| Regulatory quality | -0.791 | -2.71* | 0.010 | -1.384 to -0.199 |
| Rule of law | 0.777 | 1.67 | 0.102 | -0.163 to 1.717 |
| Corruption | 0.709 | 1.73 | 0.091 | -0.119 to 1.538 |
| Constant | -4.852 | -3.79 | 0.001 | -7.444 to -2.260 |
| Number of observations | 43 | |||
| F(5, 37) = | 23.20 | |||
| Prob > F | 0.000 | |||
| Adjusted R-squared | 0.726 | |||
*Statistically significant at 95% level of confidence.