iCBT conditions (nPost=1019; nFollow-up=453) | Control conditions (nPost=1018; nFollow-up=438) | Total sample (nPost=2037; nFollow-up=891) | |
M (SD)* or n (%)† | M (SD)* or n (%)† | M (SD)* or n (%)† | |
Severity of suicidal ideation‡ | |||
Baseline | 0.922 (0.375) | 0.915 (0.371) | 0.918 (0.373) |
Postintervention | 0.718 (0.583) | 0.862 (0.594) | 0.790 (0.593) |
Follow-up | 0.650 (0.619) | 0.839 (0.657) | 0.743 (0.645) |
RCI improvement§ | |||
Postintervention | 413 (40.5%) | 278 (27.3%) | 691 (33.9%) |
Follow-up | 231 (51.0%) | 184 (42.1%) | 415 (46.6%) |
RCI no change§ | |||
Postintervention | 577 (56.7%) | 688 (67.6%) | 1266 (62.1%) |
Follow-up | 211 (46.6%) | 236 (53.8%) | 447 (50.2%) |
RCI deterioration§ | |||
Postintervention | 29 (2.8%) | 51 (5.1%) | 80 (4.0%) |
Follow-up | 11 (2.4%) | 18 (4.1%) | 29 (3.2%) |
Treatment response (50% symptom reduction) | |||
Postintervention | 423 (41.5%) | 287 (28.2%) | 710 (34.9%) |
Follow-up | 228 (50.4%) | 158 (36.0%) | 386 (43.3%) |
Note: These analyses are based on the imputed data.
*Means (m) and SD are displayed for severity of suicidal ideation.
†For the RCI and reponse rates, the number of participants in the respective category (n) and corresponding percentages (%) are displayed.
‡Scaled to the study-specific variance as different measures were used.
§RCI: categorised RCI per person.
iCBT, interventions based on cognitive–behavioural therapy; RCI, Reliable Change Index.