| Recr | Diagn | Type | Control | Format | Nsess | RoB | Countr | |
|---|---|---|---|---|---|---|---|---|
| Allart et al.[1] | Comm | Cut-off | CBT | cau | grp | 12 | 1 | EU |
| Andersson et al.[2] | Comm | Cut-off | CBT | other | gsh | 5 | 4 | EU |
| Barber et al.[3] | Comm | Mood | DYN | other | ind | 20 | 3 | US |
| Barrera[4] | Comm | Cut-off | BAT | wl | grp | 8 | 1 | US |
| Berger et al.[5] | Comm | Mood | CBT | wl | gsh | 10 | 4 | EU |
| Bohlmeijer et al.[6] | Comm | Cut-off | Other | wl | grp | 8 | 4 | EU |
| Bolton et al.[7] | Other | Mood | IPT | cau | grp | 16 | 3 | Other |
| Bowman et al.[8]—cogn | Comm | Cut-off | CBT | wl | gsh | 4 | 0 | US |
| Bowman et al.[8]—se | Comm | Cut-off | PST | wl | gsh | 4 | 0 | US |
| Brown and Lewinsohn[9]—grp | Comm | Mood | CBT | wl | grp | 12 | 1 | US |
| Brown and Lewinsohn[9]—gsh | Comm | Mood | CBT | wl | gsh | 12 | 1 | US |
| Brown and Lewinsohn[9]—ind | Comm | Mood | CBT | wl | ind | 12 | 1 | US |
| Carlbring et al.[10] | Comm | Mood | Other | wl | gsh | 7 | 4 | EU |
| Carrington[11]—cbt | Comm | Mood | CBT | wl | ind | 12 | 1 | US |
| Carrington[11]—dyn | Comm | Mood | DYN | wl | ind | 12 | 1 | US |
| Castonguay et al.[12] | Comm | Mood | CBT | wl | ind | 16 | 1 | US |
| Chan[13]–cbt | Comm | Mood | CBT | wl | ind | 10 | 2 | Other |
| Chan[13]–mbt | Comm | Mood | Other | wl | ind | 10 | 2 | Other |
| Cullen[14] | Comm | Mood | BAT | wl | ind | 10 | 1 | US |
| DeRubeis et al.[15] | Comm | Mood | CBT | other | ind | 14 | 2 | US |
| Dimidjian et al.[16]—ba | Comm | Mood | CBT | other | ind | 16 | 3 | US |
| Dimidjian et al.[16]—ct | Comm | Mood | BAT | other | ind | 16 | 3 | US |
| Dowrick et al.[17]—cwd | Comm | Mood | CBT | cau | grp | 12 | 4 | UK |
| Dowrick et al.[17]—pst | Comm | Mood | PST | cau | ind | 6 | 4 | UK |
| Ekers et al.[18] | Comm | Mood | BAT | cau | ind | 12 | 4 | UK |
| Elkin et al.[19]—cbt | Comm | Mood | CBT | other | ind | 16 | 2 | US |
| Elkin et al.[19]—ipt | Comm | Mood | IPT | other | ind | 16 | 2 | US |
| Epstein[20] | Comm | Mood | CBT | wl | grp | 8 | 1 | US |
| Fledderus et al.[21]—act-e | Comm | Mood | Other | wl | gsh | 9 | 3 | EU |
| Fledderus et al.[21]—act-m | Comm | Mood | Other | wl | gsh | 9 | 3 | EU |
| Gehr[22] | Comm | Mood | Other | other | ind | 7 | 1 | EU |
| Hegerl et al.[23] | Comm | Cut-off | CBT | other | grp | 10 | 4 | EU |
| Horrell et al.[24] | Comm | Mood | CBT | wl | grp | 4 | 4 | UK |
| Jamison and Scogin[25] | Comm | Mood | CBT | wl | gsh | 4 | 0 | EU |
| Jarrett et al.[26] | Comm | Mood | CBT | other | ind | 20 | 3 | EU |
| Johansson et al.[27] | Comm | Mood | DYN | other | gsh | 9 | 4 | EU |
| Johansson et al.[28]—stand | Comm | Mood | CBT | other | gsh | 8 | 3 | EU |
| Johansson et al.[28]—tayl | Comm | Mood | CBT | other | gsh | 8 | 3 | EU |
| Kessler et al.[29] | Comm | Mood | CBT | wl | gsh | 10 | 4 | EU |
| King et al.[30]—cbt | Clin | Cut-off | CBT | cau | ind | 6 | 3 | EU |
| King et al.[30]—sup | Clin | Cut-off | SUP | cau | ind | 6 | 3 | UK |
| Kivi et al.[31] | Comm | Mood | CBT | cau | gsh | 7 | 2 | EU |
| Klein et al.[21] | Comm | Mood | CBT | other | grp | 12 | 1 | US |
| Korrelboom et al.[33] | Comm | Mood | other | cau | grp | 8 | 3 | EU |
| Krampen[34]—aut | Comm | Mood | other | wl | ind | 20 | 1 | EU |
| Krampen[34]—ind | Comm | Mood | CBT | wl | ind | 20 | 1 | EU |
| Liu et al.[35] | Comm | Mood | CBT | wl | gsh | 4 | 1 | EU |
| Lynch et al.[36] | Comm | Cut-off | PST | cau | other | 6 | 1 | US |
| Lynch et al.[37] | Comm | Mood | PST | cau | other | 6 | 1 | EU |
| MacPherson et al.[38] | Comm | Mood | SUP | cau | ind | 12 | 4 | EU |
| Maina et al.[39]—bdt | Comm | Mood | DYN | wl | ind | 20 | 2 | EU |
| Maina et al.[39]—bsp | Comm | Mood | SUP | wl | ind | 20 | 2 | EU |
| McKendree-Smith[40]—beh | Comm | Mood | CBT | wl | gsh | 8 | 1 | EU |
| McKendree-Smith[40]—cogn | Comm | Mood | CBT | wl | gsh | 8 | 1 | EU |
| Miller and Weissman[41] | Comm | Mood | IPT | cau | other | 12 | 1 | EU |
| Mohr et al.[42] | Comm | Mood | CBT | wl | gsh | 18 | 4 | EU |
| Morris[43] | Comm | Mood | CBT | wl | grp | 6 | 1 | Other |
| Mukhtar and Oei[44] | Comm | Mood | CBT | wl | grp | 8 | 1 | Other |
| Murphy et al.[45] | Comm | Mood | CBT | other | ind | 20 | 1 | US |
| Mynors-Wallis[46] | Comm | Mood | PST | other | ind | 6 | 2 | UK |
| Naeem et al.[47] | Comm | Mood | CBT | cau | gsh | 7 | 2 | EU |
| Nezu and Perri[48]—pf | Comm | Mood | PST | wl | grp | 8 | 1 | US |
| Nezu and Perri[48]—pst | Comm | Mood | PST | wl | grp | 8 | 1 | US |
| Nezu[49]—apst | Comm | Mood | PST | wl | grp | 10 | 1 | US |
| Nezu[49]—pst | Comm | Mood | PST | wl | grp | 10 | 1 | US |
| Omidi et al.[50]—cbt | Comm | Mood | CBT | cau | grp | 8 | 1 | EU |
| Omidi et al.[50]—mbct | Comm | Mood | MBCT | cau | grp | 8 | 1 | EU |
| Perini et al.[51] | Comm | Mood | CBT | wl | gsh | 6 | 2 | Other |
| Pots et al.[52] | Comm | Mood | MBCT | wl | grp | 11 | 4 | EU |
| Power and Freeman[53]—cbt | Comm | Mood | CBT | cau | ind | 16 | 2 | UK |
| Power and Freeman[53]—ipt | Comm | Mood | IPT | cau | ind | 16 | 2 | UK |
| Propst et al.[54]—nrct-nt | Comm | Cut-off | CBT | wl | ind | 19 | 1 | US |
| Propst et al.[54]—nrct-rt | Comm | Cut-off | CBT | wl | ind | 19 | 1 | US |
| Propst et al.[54]—rct-nt | Comm | Mood | CBT | wl | ind | 19 | 1 | US |
| Propst et al.[54]-rct-rt | Comm | Mood | CBT | wl | ind | 19 | 1 | US |
| Rehm et al.[55]—sm | Comm | Cut-off | other | wl | grp | 7 | 1 | US |
| Rehm et al.[55]—sm+se | Comm | Cut-off | other | wl | grp | 7 | 1 | US |
| Rehm et al.[55]—sm+sr | Comm | Cut-off | other | wl | grp | 7 | 1 | US |
| Rohen[56] | Comm | Cut-off | CBT | wl | gsh | 4 | 2 | US |
| Ross and Scott[57] | Comm | Mood | CBT | wl | other | 12 | 1 | UK |
| Rude[58] | Comm | Mood | other | wl | grp | 12 | 1 | US |
| Schmidt and Miller[59]—gsh | Comm | Mood | CBT | wl | gsh | 8 | 1 | US |
| Schmidt and Miller[59]—ind | Comm | Mood | CBT | wl | ind | 8 | 1 | US |
| Schmidt and Miller[59]—lgrp | Comm | Mood | CBT | wl | grp | 8 | 1 | US |
| Schmidt and Miller[59]—sgrp | Comm | Mood | CBT | wl | grp | 8 | 1 | US |
| Schmitt[60]—pst | Comm | Mood | PST | wl | grp | 12 | 0 | US |
| Schmitt[60]—sst | Comm | Mood | other | wl | grp | 12 | 0 | US |
| Schulberg et al.[61] | Comm | Mood | IPT | cau | ind | 16 | 2 | US |
| Scott and Stradling[64]—cgt | Comm | Mood | CBT | wl | grp | 12 | 2 | UK |
| Scott and Stradling[64]—ict | Comm | Mood | CBT | wl | ind | 12 | 2 | UK |
| Scott and Freeman[62]—cbt | Comm | Mood | CBT | cau | ind | 16 | 2 | UK |
| Scott and Freeman.[62]—sup | Comm | Mood | SUP | cau | ind | 16 | 2 | UK |
| Scott et al.[63] | Comm | Mood | CBT | wl | ind | 6 | 1 | UK |
| Selmi et al.[65]—ccbt | Comm | Mood | CBT | wl | gsh | 6 | 2 | US |
| Selmi et al.[65]—icbt | Comm | Mood | CBT | wl | ind | 6 | 2 | US |
| Skinner[66]—bat | Comm | Mood | BAT | other | ind | 5 | 1 | US |
| Skinner[66]—cbt | Comm | Mood | CBT | other | ind | 5 | 1 | US |
| Smit et al.[67] | Clin | Mood | CBT | cau | ind | 14 | 3 | EU |
| Sudweeks[68]—cbt | Comm | Mood | CBT | wl | ind | 6 | 1 | EU |
| Sudweeks[68]—hypn | Comm | Mood | other | wl | ind | 6 | 1 | EU |
| Sudweeks[68]—hypn+cbt | Comm | Mood | CBT | wl | ind | 6 | 1 | EU |
| Teasdale et al.[69] | Comm | Mood | CBT | cau | ind | 15 | 1 | EU |
| Titov et al.[70]—icbt-techn | Comm | Mood | CBT | wl | gsh | 6 | 2 | Other |
| Titov et al.[70]—icbt-ther | Comm | Mood | CBT | wl | gsh | 6 | 2 | Other |
| Vernmark et al.[71]—email | Comm | Mood | CBT | wl | gsh | 7 | 4 | EU |
| Vernmark et al.[71]—self-h | Comm | Mood | CBT | wl | gsh | 7 | 4 | EU |
| Warmerdam et al.[72]—cbt | Comm | Mood | CBT | wl | gsh | 8 | 4 | EU |
| Warmerdam et al.[72]—pst | Comm | Cut-off | PST | wl | gsh | 5 | 4 | EU |
| Weissman[73] | Comm | Mood | IPT | other | ind | 16 | 1 | EU |
| Wierzbicki and Bartlett[74]—grp |
Comm | Mood | CBT | wl | grp | 6 | 1 | US |
| Wierzbicki and Bartlett[74]—ind |
Comm | Mood | CBT | wl | ind | 6 | 1 | US |
| Wilson et al.[75]—beh | Comm | Mood | BAT | wl | ind | 8 | 0 | Other |
| Wilson et al.[75]—cogn | Comm | Mood | CBT | wl | ind | 8 | 0 | Other |
| Wollersheim and Wilson[76]—cop |
Comm | Mood | CBT | wl | grp | 10 | 1 | US |
| Wollersheim and Wilson[76]—gsh |
Comm | Mood | CBT | wl | gsh | 10 | 1 | US |
| Wollersheim and Wilson[76]—sup |
Comm | Mood | CBT | wl | grp | 10 | 1 | US |
| Wong II[77] | Comm | Mood | CBT | wl | grp | 10 | 2 | Other |
| Wright et al.[78]—cbt | Comm | Mood | CBT | wl | ind | 9 | 2 | US |
| Wright et al.[78]—ccbt | Comm | Mood | CBT | wl | gsh | 9 | 2 | US |
| Zu et al.[79] | Clin | Mood | CBT | cau | ind | 20 | 2 | Other |
BAT, behavioral activation therapy; Cau, care-as-usual; CBT, cognitive behavior therapy; Clin, clinical samples only; Comm, community recruitment; Countr, country; Diagn, diagnosis of depression; DYN, psychodynamic therapy; Grp, group format; Gsh, guided self-help; Ind, individual format; IPT, interpersonal psychotherapy; Mood, mood disorder; Nsess, number of sessions; PST, problem-solving therapy; Recr, recruitment; RoB, risk of bias; wl, waiting list.