Source | Participants | Screening of subclinical depression | Conditions | Primary outcome | Secondary outcome | Follow-up (months) | n of sessions | Frequency | Support |
---|---|---|---|---|---|---|---|---|---|
Buhrman et al. [39] | Patients with chronic pain for more than 3 months | MADRS-S ≥ 10, PRIME-MD | 1.iCBT (n = 28) 2.WL (n = 24) | MADRS BAI PDI | ASI PCS QOLI CPAQ CSQ MPI | 12 | 8 | Once a week | Tailored treatment made by therapists; Weekly feedback email on homework from therapists; Weekly reminder from the platform |
Buntrock et al. [36] | Employees (>18 years) | CES-D ≥ 16 Without suicidal risk, No MDD and bipolar disorder | 1.iCBT (n = 202) 2.AC (n = 204) | CES-D | SF-12 MCS PCS PSMS PSWQ | 6 | 6 | Once or twice a week | Weekly email contact with therapists |
Buntrock et al. [40] | Employees (>18 years) | CES-D ≥ 16 Without suicidal risk, No MDD and bipolar disorder | 1.iCBT (n = 202) 2.AC (n = 204) | CES-D | SF-12 MCS PCS PSMS PSWQ | 12 | 6 | Once or twice a week | Weekly email contact with therapists |
Imamura et al. [34] | Employees (>18 years) | No MDD and bipolar disorder (CIDI) | 1.i-CBT (n = 381) 2.WL (n = 381) | BDI-II | K6 DAS | 3,6 | 6 | Once a week | Weekly feedback email on homework from therapists; Weekly reminder from the platform |
Mullin et al. [35] | Adults (>18 years) | Self-identified depressive symptoms without suicidal ideas, PHQ-9 ≤ 19, No psychotic mental illness (MINI) | 1. iCBT (n = 31) 2.WL (n = 24) | PHQ-9 | GAD-7 K-10 SDS | 3 | 5 | Once a week | Weekly email/phone contact with therapists; Weekly reminder from the platform |
Phillips et al. [31] | Employees (>18 years) | PHQ-9: Scored 2 or more on five of the 9 items, including Item 1 or Item 2 | 1.iCBT (n = 171) 2.AC (n = 188) | WSAS | PHQ-9 CORE10 GAD-7 | 1.5 | 5 | Once a week | No support |
Proudfoot et al. [37] | Adults (18–75 years) | 27 ≤ DASS ≤ 63; without suicidal thoughts, attempts and psychotic symptoms | 1. iCBT (n = 242) 2.AC (n = 248) 3.WL (n = 230) | DASS-depression | WSAS DASS-anxiety DASS-stress | 3 | 10 | Once a week | Weekly phone contact with therapists; Regular reminder from the platform |
Spek et al. [25] | Elderly (50–75 years) | EDS ≥ 12 Without psychiatric disorder (CIDI) | 1.iCBT (n = 102) 2.gCBT (n = 99) 3.WL (n = 100) | EDS BDI |  | - | 10 | Once a week | No support |
Spek et al. [33] | Elderly (50–75 years) | EDS ≥ 12 Without psychiatric disorder (CIDI) | 1. iCBT (n = 102) 2.gCBT (n = 99) 3.WL (n = 100) | EDS BDI |  | 12 | 10 | Once a week | No support |
Titov et al. [41] | Elderly (≥60 years) | Self-identified depressive symptoms | 1. iCBT (n = 27) 2.WL (n = 25) | PHQ-9 | GAD-7 | 3, 12 | 5 | Once a week | Tailored treatment selected by the system |