Model 1: Empty model | Model 2: Individual variables | Model 3: Model 2 + school performance at class-level | Model 4: Cross-level interaction | |
---|---|---|---|---|
OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | |
Individual variables | ||||
Intercept | 0.29*** (0.27–0.33) | 0.11*** (0.09–0.14) | 0.11*** (0.09–0.14) | 0.11*** (0.09–0.14) |
Gender (Ref.: Boys) | ||||
Girls | 2.39*** (2.08–2.75) | 2.39*** (2.08–2.75) | 2.39*** (2.08–2.75) | |
Age (centered) | 1.16*** (1.11–1.22) | 1.17*** (1.11–1.23) | 1.16** (1.10–1.22) | |
Individual PSP (Ref.: very good/good) average/below average | 1.74*** (1.52–2.00) | 1.75*** (1.51–2.03) | 1.75*** (1.52–2.03) | |
Family affluence (Ref.: high) | ||||
medium | 0.96 (0.83–1.11) | 0.96 (0.83–1.11) | 0.96 (0.83–1.11) | |
low | 1.09 (0.88–1.34) | 1.09 (0.88–1.34) | 1.09 (0.88–1.34) | |
Migration background (Ref.: no) | ||||
One-sided | 1.44*** (1.16–1.78) | 1.44*** (1.16–1.78) | 1.44*** (1.16–1.79) | |
Two-sided | 1.30*** (1.09–1.56) | 1.30*** (1.09–1.56) | 1.31*** (1.09–1.57) | |
Class-level variable | ||||
Proportion of students with very good/good school PSP in class (centered) | 1.04 (0.67–1.59) | 1.31 (0.41–1.32) | ||
Cross-level interaction | ||||
Proportion of students with very good/good PSP in class (centered) x individual school performance (Ref.: very good/good) | ||||
x average/below average individual PSP | 1.91* (1.01-4.01) | |||
School-level variable | ||||
School type (Ref.: high track) | 1.24** | 1.24** | 1.25** | |
Other school types | (1.04–1.48) | (1.04–1.48) | (1.05–1.49) | |
Variance in intercept (between classes) | 0.212*** | 0.110*** | 0.110*** | 0.108*** |
Variance in intercept (between schools) | 0.037 | 0.050 | 0.050 | 0.049 |
ICC (Class) | 0.059 = 5.9% | 0.032 = 3.2% | 0.032 = 3.2% | 0.031 = 3.1% |
ICC (school) | 0.011 = 1.1% | 0.015 = 1.5% | 0.015 = 1.5% | 0.014 = 1.4% |