Model 0 | Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | |
---|---|---|---|---|---|---|
Dropout versus completion (ref.) | ||||||
Whole population | ||||||
Risk difference | 20.8 (17.0 to 24.7) | 18.7 (15.0 to 22.4) | 17.4 (13.8 to 21.1) | 16.6 (13.0 to 20.4) | 15.8 (12.2 to 19.5) | 15.3 (11.7 to 19.0) |
Odds ratio | 3.92 (3.28 to 4.68) | 3.53 (2.95 to 4.24) | 3.34 (2.8 to 4.0) | 3.20 (2.65 to 3.86) | 3.07 (2.54 to 3.71) | 2.96 (2.44 to 3.60) |
Within family 1 | ||||||
Odds ratio | 1.89 (0.96 to 3.74) | – | 2.03 (1.01 to 4.08) | 2.53 (1.15 to 5.54) | 2.48 (1.13 to 5.49) | 2.39 (1.04 to 5.47) |