| Regression equation | Integral fitting index | Regression coefficient significance | |||||||||
| Outcome variable | Predictive variable | R | R-sq | F | Coeff | Se | t | LLCI | ULCI | ||
| Learning input | Grade | 0.30 | 0.15 | 29.95 | 0.02 | 0.05 | 0.62 | −0.41 | 0.08 | ||
| Done part-time job or not | −0.61 | 0.05 | −1.26 | −0.16 | 0.03 | ||||||
| Father’s educational level | −0.18 | 0.06 | −2.90** | −0.30 | −0.06 | ||||||
| Mother’s educational level | 0.15 | 0.06 | 2.62** | 0.04 | 0.27 | ||||||
| Occupational identity | 0.55 | 0.05 | 10.53*** | 1.83 | 2.91 | ||||||
| Occupational maturity | Grade | 0.39 | 0.16 | 21.66 | 0.28 | 0.01 | 2.61* | 0.07 | 0.05 | ||
| Done part-time jobs or not | 0.05 | 0.02 | 3.23** | 0.02 | 0.09 | ||||||
| Father’s educational level | −0.02 | 0.06 | −2.90 | −0.30 | 0.02 | ||||||
| Mother’s educational level | 0.02 | −0.04 | −1.77 | −0.08 | 0.00 | ||||||
| Learning input | 0.09 | 0.01 | 6.91*** | 0.06 | 0.11 | ||||||
| Occupational identity | 0.09 | 0.02 | 4.60*** | 0.05 | 0.13 | ||||||
| Learning input | Grade | 0.31 | 0.10 | 15.43 | 0.03 | 0.01 | 2.68** | 0.01 | 0.05 | ||
| Done part-time jobs or not | 0.05 | 0.02 | 2.81** | 0.01 | 0.08 | ||||||
| Father’s educational level | −0.04 | 0.02 | −1.77 | −0.08 | 0.01 | ||||||
| Mother’s educational level | −0.02 | 0.02 | −1.06 | −0.06 | 0.02 | ||||||
| Occupational identity | 0.14 | 0.02 | 7.44*** | 0.10 | 0.17 | ||||||