Negative Mood
The LMM with baseline negative mood as a covariate, randomized group as a 2-level between-subjects factor, study phase (T2 and T3) as a 2-level repeated measures factor, three 2-way interactions, and one 3-way interaction showed a nonsignificant effect of group (The preplanned ANCOVAs confirmed the previous results, finding a nonsignificant effect of randomized group on negative mood at T2 (The post hoc repeated measures ANOVAs showed a significant effect of time in the control group (