Table 4.

Characteristics of interventions

^{^} = Unpublished thesis; 1:1 = one-to-one, ACT acceptance commitment therapy, Active control Alternative intervention received, ADR adverse detection reviewer, App application, Async asynchronous, Auto automated, Biofeed biofeedback, Biwkly biweekly, CBT cognitive behavioral therapy, Cog cognitive, E electronic, f2f face-to-face, GoD guidance on demand, iACT internet-based ACT, i-BA internet-based behavioral activation, iCBT internet-based CBT, Inactive control no intervention received, Incl includes/including, iRFCBT internet-based RFCBT, IU intolerance of uncertainty, M mean, Min/s minute/s, mHealth mobile health, MI motivational interviewing, NR not reported, Pos Psych positive psychology, RFCBT rumination-focused CBT, SFBT solution-focused brief therapy, Sync synchronous, TAU treatment as usual, Wk week, Wkly weekly, W/ with, W/n within, Grey shading = comparator not included in study; Dark gray shading = No comparator group