Table A2.
Interaction Test in Multivariable Mixed-Effects Models
| Interaction Test and PRO | Coefficient for Interaction Term | 95% CI | P |
|---|---|---|---|
| Time-by-treatment | |||
| IES-R | 0.009 | −0.062 to 0.081 | .797 |
| FACT-G | −0.002 | −0.080 to 0.076 | .964 |
| HADS-Anxiety | −0.006 | −0.025 to 0.014 | .587 |
| Treatment-by-coping style | |||
| IES-R | 2.477 | −3.272 to 8.226 | .398 |
| FACT-G | −0.139 | −6.847 to 6.569 | .968 |
| HADS-Anxiety | 0.647 | −1.100 to 2.394 | .468 |
NOTE. In addition to treatment, coping style, and time variables, other covariates included in the models were age, sex, Eastern Cooperative Oncology Group performance status, lactate dehydrogenase, Follicular Lymphoma International Prognostic Index score, and modified Ann Arbor stage.
Abbreviations: FACT-G, Functional Assessment of Cancer Therapy–General; HADS, Hospital Anxiety and Depression Scale; IES-R, Impact of Event Scale–Revised; PRO, patient-reported outcome.