Table 3.
Model comparisons of linear-mixed effect models predicting ISR scores.
| Outcome variable | Model | AIC | BIC | logLik | R 2 | vs. null model | vs. max model | ||
|---|---|---|---|---|---|---|---|---|---|
| χ2 | p -value | χ2 | p -value | ||||||
| ISR sum score | Null Model | 1886.70 | 1901.60 | −940.40 | 0.00 | ||||
| Max Model | 1552.90 | 1622.50 | −762.44 | 0.28 | 355.84 | <0.001 | |||
| Reduced Model | 1548.00 | 1602.7 | −763.01 | 0.28 | 354.71 | <0.001 | 1.13 | 0.768 | |
| ISR depression | Null Model | 2803.10 | 2818.00 | −1398.50 | 0.00 | ||||
| Max Model | 2391.8 | 2456.50 | −1182.90 | 0.34 | 431.24 | <0.001 | |||
| Reduced Model | 2387.30 | 2447.0 | −1181.70 | 0.34 | 428.23 | <0.001 | 3.00 | 0.391 | |
| ISR anxiety | Null Model | 2679.92 | 2694.84 | −1337.00 | 0.00 | ||||
| Max Model | 2449.30 | 2504.00 | −1213.60 | 0.21 | 246.65 | <0.001 | |||
| Reduced Model | 2452.90 | 2487.80 | −1219.50 | 0.20 | 234.99 | <0.001 | 11.65 | 0.020 | |
ISR = ICD-10-Symptom-Rating. The null model refers to a random-slope-only model. The max model refers to a model including all predictors and the reduced model only includes significant predictors from the max model.