Table 1 Data extraction table of study characteristics
From: Effect of acceptance and commitment therapy for depressive disorders: a meta-analysis
Study | Year | Country | Sample size T/C | Mean age ± SD T/C | %Female | Diagnosis | Format | Setting | Outcome indicator | Follow-up months | |
|---|---|---|---|---|---|---|---|---|---|---|---|
T | C | depression | |||||||||
A-Tjak et al. | 2018 | Netherlands | 82 44/38 | 42.52 ± 12.21 40.45 ± 12.55 | 51.2 | Major depressive disorder (DSM-IV) | ACT (Offline, individual) | CBT | Twenty times every one to two weeks for 45 to 55 min | HDRS-17 | 6 |
Chunxiao et al. | 2022 | China | 182 95/87 | 21.83 ± 1.47 21.68 ± 1.19 | 52.7 | Mild depression (BDI-II & semi-structured interview) | iACT (Online, individual) | WLC | Six weekly 30-min sessions | BDI-II | 3 |
Ernst et al. | 2011 | Netherlands | 93 49/44 | 48.84 ± 11.34 49.23 ± 10.07 | 81.7 | Mild or moderate psychological distress (NS) | ACT (Offline) | WL | Eight weekly 2-h sessions | CES-D | 3 |
Lappalainen et al. | 2015 | Finland | 39 19/20 | 50.32 ± 12.54 53.40 ± 13.35 | 71.8 | Mild depression (DSM-IV & structured interview) | iACT (Offline, individual) | WLC | Six weekly sessions | BDI-II | 12 but no results |
Mehdi et al. | 2020 | Iran | 60 30/30 | 23.72 ± 4.18 25.18 ± 4.23 | 73.3 | Moderate depression (DSM-V & semi-structured interview using SCID-5 and BDI-II) | ACT (offline, group) | TAU | Eight weekly 90-min group sessions | BDI-II | 2 |
Shima et al. | 2017 | Iran | 19 10/9 | 25.2 ± 4.2* | 100 | Moderate depression (DSM-IV & SCID-I/CV*) | ACT (offline, group) | CT | Twelve times twice a week | BDI-II | 3 |
Wendy et al. | 2016 | Netherlands | 169 82/87 | 45.15 ± 10.78 48.54 ± 12.63 | 82.2 | Mild depression (CES-D & semi-structured interview using MINI and SDS) | ACT (online, individual) | WLC | nine times in twelve weeks | CES-D | 6 |
Ren Zhihong | 2012 | China | 182 95/87 | 21.83 ± 1.47 21.68 ± 1.19 | 52.7 | At least mild depression (BDI and a semi-structed interview) | ACT (online, individual) | WL | Six weekly sessions | BDI-II | 3 |
Situ Yuyi | 2022 | China | 60 30/30 | 19.50 ± 4.1 20.00 ± 4.0 | 40 | Depression (NS) | ACT + TAU (offline) | TAU | 60 to 90 min four times a week | HAMD | None |
Chen Juan et al. | 2021 | China | 60 30/30 | 32.19 ± 7.31 32.23 ± 7.37 | 38.3 | Mild depression (NS) | ACT + TAU (offline, group) | TAU | Six weekly 60-min sessions | SDS | None |
Hayes et al. | 2011 | Australia | 38 22/16 | 14.61 ± 3.1 15.49 ± 1.35 | 71.1 | At least moderate depression (DSM-IV) | ACT (offline) | TAU |  | RADS-2 | 3 |