| 15-year-olds | 17-year-olds | |||
|---|---|---|---|---|
| mean | standard deviation | mean | standard deviation | |
| Variables | ||||
| Female | 0.5786 | 2.0407 | 0.5708 | 2.0062 |
| Overall mark<60% | 0.0366 | 0.7761 | 0.0200 | 0.5681 |
| 60%≤Overall mark≤69% | 0.1216 | 1.3508 | 0.1001 | 1.2164 |
| 70%≤Overall mark≤79% | 0.3095 | 1.9105 | 0.3672 | 1.9538 |
| 80%≤Overall mark≤89% | 0.4096 | 2.0323 | 0.4075 | 1.9916 |
| Overall mark≥90% | 0.1227 | 1.3558 | 0.1052 | 1.2433 |
| 1st reading quartile | 0.1590 | 1.5113 | 0.1678 | 1.5145 |
| 2nd reading quartile | 0.2213 | 1.7156 | 0.2282 | 1.7011 |
| 3rd reading quartile | 0.2920 | 1.8791 | 0.2730 | 1.8057 |
| 4th reading quartile | 0.3277 | 1.9397 | 0.3310 | 1.9073 |
| Birth order | 1.4982 | 2.8189 | 1.5022 | 2.7830 |
| Lone parent | 0.1295 | 1.3875 | 0.1321 | 1.3722 |
| Two parents, not both from birth | 0.1134 | 1.3104 | 0.1127 | 1.2817 |
| Two birth parents | 0.7571 | 1.7722 | 0.7552 | 1.7426 |
| Parents have high school or less | 0.2878 | 1.8710 | 0.2879 | 1.8351 |
| Parents have a non-university post-secondary certificate | 0.3630 | 1.9873 | 0.3565 | 1.9413 |
| Parents have an undergraduate degree | 0.2231 | 1.7205 | 0.2250 | 1.6926 |
| Parents have a graduate or professional degree | 0.1261 | 1.3721 | 0.1306 | 1.3657 |
| 1st parental income quartile | 0.2375 | 1.7588 | 0.2433 | 1.7391 |
| 2nd parental income quartile | 0.2325 | 1.7458 | 0.2341 | 1.7162 |
| 3rd parental income quartile | 0.2488 | 1.7866 | 0.2493 | 1.7534 |
| 4th parental income quartile | 0.2812 | 1.8580 | 0.2733 | 1.8063 |
| All parents are immigrants | 0.2147 | 1.6970 | 0.2146 | 1.6639 |
| 15-year-olds | 17-year-olds | |
|---|---|---|
| Diagnostic statistic | ||
| Sample size (number) | 5,230 | 4,851 |