Table 1.
Results of the multilevel model predicting negative affect.
| Predictors | Estimates (95% CI) | P value | |
| (Intercept) | 8.11 (6.65 to 9.56) | <.001 | |
| Pre vs post (ref=pre) | –0.65 (–0.86 to –0.44) | <.001 | |
| In therapy (ref=in therapy) | –2.10 (–3.88 to –0.33) | .02 | |
| Pre/post X therapy | 0.34 (0.09 to 0.59) | .008 | |
| Random effects | |||
|
|
Within-person residual variance (σ2) | 16.64 | N/Aa |
|
|
Between-person residual variance (τ00) | 29.66 | N/A |
|
|
Intraclass correlation coefficient | 0.64 | N/A |
|
|
NID | 166 | N/A |
|
|
Observations, n | 22,846 | N/A |
|
|
Marginal R2 (conditional R2) | 0.020 (0.648) | N/A |
aN/A: not applicable.