| | Empty model | Model 1 | Model 2 | Model 3 | Model 4 |
|---|
| | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI |
|---|
| Student level |
| Gender |
| Boy (ref.) | | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – |
| Girl | | 0.23*** | 0.19–0.27 | 0.22*** | 0.19–0.27 | 0.23*** | 0.19–0.28 | 0.23*** | 0.19–0.28 |
| Family structure |
| Two parents in the same household (ref.) | | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – |
| Other | | 1.15 | 0.97–1.37 | 1.15 | 0.96–1.37 | 1.15 | 0.96–1.37 | 1.14 | 0.96–1.35 |
| Parental university education |
| No parent (ref.) | | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – |
| At least one parent | | 0.86 | 0.71–1.03 | 0.87 | 0.72–1.04 | 0.86 | 0.72–1.04 | 0.89 | 0.74–1.07 |
| Parental unemployment |
| No parent (ref.) | | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – |
| At least one parent | | 0.97 | 0.68–1.37 | 0.97 | 0.68–1.37 | 0.97 | 0.68–1.38 | 0.98 | 0.69–1.39 |
| Migration background |
| ≥ 10 years in Sweden (ref.) | | 1.00 | – | 1.00 | – | 1.00 | – | 1.00 | – |
| < 10 years in Sweden | | 0.79 | 0.57–1.07 | 0.81 | 0.59–1.10 | 0.81 | 0.60–1.11 | 0.80 | 0.58–1.09 |
| School level |
| % students with parents with post-secondary education | | | | 0.99* | 0.99–1.00 | 0.99** | 0.98–1.00 | 0.99** | 0.99–1.00 |
| % students with a foreign background | | | | | | 1.00 | 0.99–1.01 | 0.99 | 0.99–1.00 |
| School ethos |
| Weak (ref.) | | | | | | | | 1.00 | – |
| Intermediate | | | | | | | | 1.02 | 0.74–1.40 |
| Strong | | | | | | | | 0.62** | 0.43–0.89 |
| ICC | 7.9% | 4.8% | | 3.9% | | 3.7% | | 2.6% | |
- ***p < 0.001 **p < 0.01 *p < 0.05
