| Regression coefficient | Standard error | Wald | Degree of freedom | P value | 95% confidence interval | ||
---|---|---|---|---|---|---|---|---|
Lower limit | Upper limit | |||||||
 | [Grade = 0.00] | −1.444 | 0.281 | 26.388 | 1 | 0.000 | −1.995 | −0.893 |
Dependent variable | [Grade =1.00] | −0.133 | 0.246 | 0.292 | 1 | 0.589 | −0.616 | 0.350 |
 | [Grade = 2.00] | 1.135 | 0.274 | 17.124 | 1 | 0.000 | 0.598 | 1.673 |
Independent variable | [Class = 1.00] | −0.770 | 0.334 | 5.317 | 1 | 0.021 | −1.425 | −0.116 |
 | [Class = 2.00] | 0.000 |  |  |  |  |  |  |