| Independent variable | Factor | Not standardized beta | Standard error coefficient | Pearson’s correlation | R2 | Correlation verification |
| Global | 394 | 0.910 | 0.018 | 0.930 | 0.865 | Accepted |
| Socioeconomic Status A B C+ C C− D+ D E |
4 15 38 66 82 99 75 15 |
0.500 1.003 0.916 0.922 0.894 0.942 0.872 1.013 |
0.167 0.042 0.050 0.046 0.053 0.037 0.037 0.129 |
0.905 0.989 0.951 0.930 0.937 0.932 0.939 0.909 |
0.818 0.977 0.904 0.864 0.878 0.868 0.882 0.827 |
Accepted Accepted Accepted Accepted Accepted Accepted Accepted Accepted |
| Gender Female Male |
237 157 |
0.895 0.932 |
0.026 0.024 |
0.916 0.951 |
0.840 0.905 |
Accepted Accepted |