| Mock_15_degree | Mock_15_indegree | Mock_15_outdegree | Mock_15_status | Mock_15_pagerank |
Non-attendance of courses | 0.202 | 0.309 (*) | −0.080 | 0.305 (*) | 0.334 (*) |
| 0.200 | 0.046 | 0.615 | 0.050 | 0.030 |
Family’s economic state | 0.461 (**) | 0.279 | 0.396 (**) | 0.277 | 0.305 (*) |
| 0.001 | 0.061 | 0.007 | 0.062 | 0.039 |