Table 1.
Data extraction table of study characteristics
| 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 | |
DSM-IV/DSM-V Diagnostic and Statistical Manual of Mental Disorders, MINI the Dutch version of the Mini International Neuropsychiatric interview, SCID-I/CV structured clinical interview for DSM-IV, Axis I clinical version, BDI Beck Depression Inventory, NS not specified