| Independent variable | Factor | Not standardized beta | Standard error coefficient | Pearson’s correlation | R2 | Correlation verification |
| Global | 394 | 0.742 | 0.020 | 0.880 | 0.775 | Rejected |
| Socioeconomic Status A B C+ C C− D+ D E |
4 15 38 66 82 99 75 15 |
0.636 0.846 0.727 0.688 0.685 0.740 0.836 0.878 |
0.545 0.083 0.056 0.045 0.043 0.044 0.047 0.153 |
0.636 0.943 0.906 0.888 0.873 0.861 0.901 0.847 |
0.405 0.890 0.822 0.789 0.763 0.741 0.812 0.718 |
Rejected Accepted Accepted Rejected Rejected Rejected Rejected Rejected |
| Gender Female Male |
237 157 |
0.761 0.690 |
0.025 0.034 |
0.893 0.854 |
0.798 0.730 |
Rejected Rejected |