Table 1.
Parameter Estimates from Fitting Discontinuities in Elevation and Slope to the CY-BOCS
| Parameter | Baseline model | Final model | |
|---|---|---|---|
| Fixed effects | |||
| Composite model | Intercept | 21.581*** (0.574) | 26.284*** (0.920) |
| DAYS | −0.041*** (0.006) | ||
| TREATMENT (SRT) | 0.810 (0.970) | ||
| POSTDAYS | −0.0009 (0.011) | ||
| TICS | −1.773 (1.848) | ||
| TICS*DAYS | 0.020 (0.011) | ||
| TICS*POSTDAYS | −0.060* (0.023) | ||
| Aarhus vs. Gothenburg | 0.394 (0.968) | 0.409 (0.972) | |
| Eastern Norway vs. Gothenburg | 2.408 (1.241) | 2.095 (1.245) | |
| Central Norway vs. Gothenburg | 0.800 (0.832) | 0.995 (0.851) | |
| Stockholm vs. Gothenburg | −3.285* (1.373) | −3.385*** (1.389) | |
| Variance components | |||
| Level 1 | Within person | 11.230*** (1.422) | 10.848*** (1.380) |
| Level 2 | In initial status | 41.497*** (12.412) | 22.756*** (6.328) |
| In rate of change (days) | 0.002*** (0.001) | 0.0008*** (0.0002) | |
| Goodness-of-fit | |||
| Δ −2 Log likelihood | NA | 25.9 | |
| Δ df | NA | 6 | |
| p value | NA | <0.001 | |
*
p<0.05, ****p<0.001.
CY-BOCS, Children's Yale-Brown Obsessive Compulsive Scale; SRT, sertraline.