Characteristics of Enhanced Treatment as Usual Within Each Condition and Differences Between Conditions
SE, NSSI
Abbreviations: CBT, cognitive behavioral therapy; IERITA, internet-delivered emotion regulation therapy for adolescents; TAU, enhanced treatment as usual; SSRI, serotonin reuptake inhibitors.Description of the level and content of enhanced treatment as usual that both conditions received during the trial.Classes of psychopharmacological medication were based on World Health Organization anatomic therapeutic chemical categories (eTable 13 in Pharmalogical results included 76 participants in the IERITA plus TAU arm.Ratings of treatment credibility, expectancy, and satisfaction with IERITA were moderate to high (eTable 11 in Reduction in self-reported NSSI frequency (DSHI-Y) was larger in IERITA plus TAU vs TAU only from pretreatment to 1-month posttreatment (β [SE], −0.08 [0.02]; 