| Independent variable | Factor | Not standardized beta | Standard error coefficient | Pearson’s correlation | R2 | Correlation verification |
| Global | 394 | 0.929 | 0.022 | 0.903 | 0.816 | Accepted |
| Socioeconomic Status A B C+ C C− D+ D E |
4 15 38 66 82 99 75 15 |
0.630 0.976 0.954 0.982 0.815 0.986 0.890 1.065 |
0.074 0.041 0.047 0.052 0.056 0.051 0.057 0.068 |
0.986 0.989 0.959 0.921 0.850 0.893 0.876 0.865 |
0.973 0.978 0.920 0.848 0.723 0.797 0.767 0.749 |
Accepted Accepted Accepted Accepted Rejected Rejected Rejected Rejected |
| Gender Female Male |
237 157 |
0.947 0.882 |
0.031 0.031 |
0.895 0.917 |
0.799 0.841 |
Rejected Accepted |