Table 5 Moderator analyses for pairwise meta-analyses.
Moderators | Overall | Suicide Ideation | Suicide Attempt | Suicide Death | ||||
|---|---|---|---|---|---|---|---|---|
| Â | b | 95% CI | b | 95% CI | b | 95% CI | b | 95% CI |
Publication year | 0.01 | [−0.00, 0.01] | 0.01 | [−0.00, 0.03] | −0.01 | [−0.04, 0.02] | −0.02 | [−0.05, 0.01] |
Publication era | ||||||||
1960s–1970s | Reference | — | — | — | — | Reference | ||
1980s | −1.56 | [0.27, 1.16] | — | — | Reference | — | — | |
1990s | 1.06 | [−0.40, 2.51] | Reference | −0.42 | [−1.92, 1.59] | 1.81 | [0.01, 3.60] | |
2000s | 1.46 | [0.02, 2.91] | −0.23 | [−1.16, 0.70] | 0.10 | [−2.24, 1.44] | 1.52 | [−0.08, 3.12] |
2010s | 1.25 | [−0.20, 2.70] | −0.14 | [−1.03, 0.76] | −0.22 | [−1.58, 1.14] | 1.05 | [−0.55, 2.65] |
2020 s | 1.29 | [−0.20, 2.70] | 0.13 | [−0.87, 1.12] | −0.29 | [−2.58, 2.00] | 0.31 | [−2.46, 3.08] |
Sample severity | ||||||||
General | Reference | Reference | Reference | Reference | ||||
Clinical (SITB-excluded) | −0.10 | [−0.59, 0.39] | 0.20 | [−0.43, 0.83] | −0.08 | [−1.22, 1.38] | −0.56 | [−1.29, 0.16] |
Clinical (not SITB-excluded) | −0.06 | [−0.55, 0.43] | 0.16 | [−0.47, 0.79] | −0.22 | [−1.49, 1.05] | — | — |
SITB | −0.35 | [−0.87, 0.16] | −0.00 | [−0.73, 0.72] | −0.84 | [−2.21, 0.52] | −0.22 | [−2.14, 1.70] |
Sample age | −0.01 | [−0.01, −0.00] | −0.01 | [−0.01, −0.00] | −0.02 | [−0.04, 0.00] | 0.04 | [−0.00, 0.08] |
Sample age group | ||||||||
Adults only | Reference | Reference | Reference | Reference | ||||
All age groups | −0.12 | [−0.33, 0.09] | — | — | — | — | — | — |
Children/adolescents only | 0.39 | [0.25, 0.54] | 0.25 | [0.06, 0.44] | 0.41 | [−0.28, 1.09] | — | — |
Mixed adolescents and adults | 0.29 | [−0.03, 0.61] | 0.27 | [−0.15, 0.69] | −0.11 | [−1.91, 1.69] | −0.26 | [−1.88, 1.37] |
Mixed older adults and adults | 0.09 | [−0.04, 0.24] | 0.11 | [−0.06, 0.28] | 0.11 | [−0.55, 0.76] | 0.24 | [−0.38, 0.86] |
Older adults only | −0.22 | [−0.87, 0.44] | −0.28 | [−1.02, 0.46] | −1.64 | [−4.89, 1.62] | 0.91 | [−1.02, 2.84] |
Did not report | 0.15 | [−0.01, 0.31] | −0.14 | [−0.40, 0.13] | 0.42 | [−0.13, 0.97] | 0.75 | [0.17, 1.34] |
Sample sex | 0.01 | [0.01, 0.01] | 0.01 | [−0.00, 0.01] | 0.01 | [0.00, 0.03] | 0.02 | [−0.00, 0.04] |
Sample race (% white) | 0.002 | [−0.003, 0.01] | 0.003 | [−0.003, 0.01] | 0.01 | [−0.01, 0.03] | 0.001 | [−0.02, 0.03] |
Sample diagnosis | ||||||||
Anxiety disorders | −0.04 | [−0.11, 0.02] | −0.07 | [−0.39, 0.25] | — | — | — | — |
Bipolar and related disorders | −0.07 | [−0.38, 0.24] | 0.13 | [−0.07, 0.32] | 0.20 | [−0.59, 0.99] | −0.52 | [−1.39, 0.36] |
Conditions for further study | −0.05 | [−0.13, 0.21] | −0.00 | [−0.78, 0.78] | — | — | — | — |
Depressive disorders | Reference | Reference | Reference | Reference | ||||
Feeding and eating disorders | 0.02 | [−1.75, 1.80] | −0.41 | [−2.52, 1.71] | — | — | — | — |
Neurodevelopmental disorders | −0.14 | [−0.62, 0.33] | −0.11 | [−0.62, 0.40] | — | — | — | — |
Obsessive-compulsive disorders | −0.53 | [−0.81, −0.24] | 1.26 | [−1.96, 4.49] | — | — | — | — |
Personality disorders | −0.53 | [−1.11, 0.06] | — | — | −1.04 | [−2.00, −0.07] | −1.32 | [−4.57, 1.93] |
Schizophrenia spectrum and other psychotic disorders | −0.27 | [−0.41, −0.14] | −0.28 | [−0.56, −0.00] | −0.24 | [−0.76, 0.28] | −0.41 | [−0.88, 0.07] |
Sleep-wake disorders | 0.15 | [−0.51, 0.82] | 0.17 | [−0.52, 0.85] | — | — | — | — |
Substance-related and addictive disorders | −0.34 | [−0.77, 0.10] | −0.16 | [−0.70, 0.38] | — | — | −0.10 | [−1.68, 1.49] |
Trauma- and stressor-related disorders | −1.07 | [−2.94, 0.80] | −1.03 | [−3.32, 1.25] | — | — | — | — |
Mixed diagnoses | −0.12 | [−0.63, 0.38] | 0.06 | [−0.65, 0.77] | −0.91 | [−2.59, 0.76] | −0.12 | [−1.15, 0.91] |
Multiple diagnoses | 0.39 | [−0.79, 1.57] | −0.08 | [−1.60, 1.43] | 0.11 | [−3.30, 3.53] | — | — |
Did not report | 0.47 | [0.20, 0.74] | — | — | — | — | −0.15 | [−0.70, 0.40] |
Sample substance use exclusion | 0.08 | [−0.11, 0.26] | −0.07 | [−0.31, 0.17] | 0.96 | [−0.02, 1.94] | −0.42 | [−1.90, 1.05] |
Sample size | −0.05 | [−0.09, −0.01] | −0.08 | [−0.16, −0.00] | −0.10 | [−0.23, 0.03] | −0.01 | [−0.11, 0.08] |
Study region | ||||||||
Africa | −1.04 | [−3.34, 1.26] | −0.95 | [−4.18, 2.28] | — | — | — | — |
Asia | 0.02 | [−0.23, 0.27] | 0.15 | [−0.10, 2.28] | −0.22 | [−2.01, 1.57] | −0.69 | [−1.86, 0.49] |
Europe | −2.00 | [−0.49, 0.10] | −0.38 | [−0.89, 0.13] | −0.61 | [−1.26, 0.03] | −0.12 | [−0.89, 0.64] |
Multiple sites across continents | −0.06 | [−0.17, 0.06] | 0.15 | [0.00, 0.30] | −0.70 | [−1.19, −0.22] | −0.40 | [−0.78, −0.02] |
North America | Reference | Reference | Reference | Reference | ||||
Oceania | 0.32 | [−0.07, 0.71] | 0.45 | [−0.08, 0.98] | — | — | — | — |
South America | −1.06 | [−4.34, 2.21] | −0.98 | [−4.23, 2.28] | — | — | — | — |
Treatment length | −0.11 | [−0.16, −0.06] | −0.00 | [−0.07, 0.02] | −0.28 | [−0.47, −0.08] | −0.27 | [−0.47, −0.08] |
Intervention target type | ||||||||
Psychopathology | Reference | Reference | Reference | Reference | ||||
SITBs | −0.21 | [−0.35, −0.06] | 0.04 | [−0.23, 0.31] | −0.85 | [−1.40, −0.30] | −0.37 | [−0.86, 0.12] |
Intervention components | ||||||||
Medication only | Reference | Reference | Reference | Reference | ||||
Medication and psychotherapy | 0.23 | [−0.06, 0.51] | 0.17 | [−0.26, 0.61] | 0.43 | [−1.13, 1.99] | −1.56 | [−4.61, 1.49] |
Control group type | ||||||||
Active treatment | Reference | Reference | Reference | Reference | ||||
Placebo | 0.01 | [−0.09, 0.12] | −0.12 | [−0.26, 0.02] | 0.45 | [0.01, 0.89] | 0.54 | [0.14, 0.94] |
Small-study effects | 0.06 | [−0.01, 0.13] | 0.02 | [−0.11, 0.14] | 0.16 | [−0.05, 0.36] | −0.01 | [−0.19, 0.16] |
Moderators | NSSI | Self-Harm | Other/Combined SITBs | |||
|---|---|---|---|---|---|---|
| Â | b | 95% CI | b | 95% CI | b | 95% CI |
Publication year | 0.11 | [−0.01, 0.23] | 0.07 | [−0.03, 0.17] | 0.01 | [−0.00, 0.01] |
Publication era | ||||||
1960s–1970s | — | — | — | — | Reference | |
1980s | — | — | — | — | — | — |
1990s | — | — | — | — | 0.90 | [−2.42, 4.22] |
2000s | Reference | Reference | 1.34 | [−1.98, 4.66] | ||
2010s | 0.11 | [−2.02, 2.24] | 0.89 | [−0.11, 1.90] | 1.00 | [−2.31, 4.32] |
2020 s | — | — | — | — | 0.80 | [−2.57, 4.17] |
Sample severity | ||||||
General | Reference | Reference | Reference | |||
Clinical (SITB-excluded) | — | — | — | — | −0.02 | [−1.98, 1.95] |
Clinical (not SITB-excluded) | — | — | — | — | 0.13 | [−1.83, 2.10] |
SITB | — | — | — | — | −0.16 | [−2.12, 1.81] |
Sample age | 0.06 | [−0.03, 0.15] | −0.00 | [−0.03, 0.03] | −0.01 | [−0.01, −0.00] |
Sample age group | ||||||
Adults only | Reference | Reference | Reference | |||
All age groups | — | — | — | — | 0.05 | [−0.13, 0.23] |
Children/adolescents only | −0.89 | [−4.12, 2.35] | 0.29 | [−0.94, 1.53] | 0.62 | [0.40, 0.85] |
Mixed adolescents and adults | −0.22 | [−3.50, 3.06] | −1.05 | [−3.01, 0.92] | 0.09 | [−0.57, 0.75] |
Mixed older adults and adults | −0.93 | [−4.59, 2.73] | 0.20 | [−1.37, 1.78] | 0.08 | [−0.12, 0.28] |
Older adults only | — | — | — | — | −0.40 | [−2.46, 1.66] |
Did not report | — | — | 0.15 | [−1.15, 1.45] | −0.27 | [−0.58, 0.04] |
Sample sex | −0.03 | [−0.02, 0.07] | 0.00 | [−0.02, 0.03] | 0.01 | [0.00, 0.02] |
Sample race (% white) | 0.03 | [−0.01, 0.06] | 0.003 | [−0.04, 0.05] | 0.01 | [−0.002, 0.01] |
Sample diagnosis | ||||||
Anxiety disorders | 0.03 | [−1.60, 1.65] | −0.17 | [−2.20, 1.78] | −0.11 | [−0.81, 2.80] |
Bipolar and related disorders | — | — | −0.21 | [−1.35, 0.79] | 1.00 | [−0.60, 0.38] |
Conditions for further study | — | — | — | — | — | — |
Depressive disorders | Reference | Reference | Reference | |||
Feeding and eating disorders | 0.66 | [0.57, 3.90] | — | — | — | — |
Neurodevelopmental disorders | −0.01 | [−1.69, 1.66] | −0.48 | [−3.03, 2.06] | −0.95 | [−4.18, 2.28] |
Obsessive-compulsive disorders | — | — | — | — | −0.46 | [−0.73, −0.19] |
Personality disorders | — | — | 0.49 | [−1.98, 0.99] | 0.62 | [−1.39, 2.62] |
Schizophrenia spectrum and other psychotic disorders | −1.52 | [−3.42, 0.38] | 0.19 | [−1.21, 1.59] | −0.28 | [−0.44, −0.13] |
Sleep-wake disorders | — | — | — | — | 0.50 | [−1.77, 2.77] |
Substance-related and addictive disorders | — | — | −0.37 | [−2.75, 2.02] | −0.69 | [−1.51 0.13] |
Trauma- and stressor-related disorders | — | — | −0.94 | [−4.24, 2.35] | — | — |
Mixed diagnoses | — | — | — | — | −0.59 | [−2.08, 0.90] |
Multiple diagnoses | — | — | — | — | 1.54 | [−0.68, 3.77] |
Did not report | — | — | — | — | 0.70 | [0.37, 1.02] |
Sample substance use exclusion | −0.66 | [−1.45, 0.15] | −0.09 | [−1.12, 0.95] | 0.18 | [0.00, 0.37] |
Sample size | −0.40 | [−0.99, 0.20] | 0.05 | [−0.47, 0.58] | −0.03 | [−0.09, 0.02] |
Study region | ||||||
Africa | — | — | −0.60 | [−3.95, 2.75] | — | — |
Asia | — | — | −0.52 | [−1.34, 2.38] | −0.70 | [−2.30, 0.90] |
Europe | — | — | −0.66 | [−2.42, 1.11] | 0.10 | [−0.60, 0.80] |
Multiple sites across continents | −0.06 | [−2.21, 2.08] | 0.32 | [−0.76, 1.41] | −0.17 | [−0.31, −0.03] |
North America | Reference | Reference | Reference | |||
Oceania | 0.59 | [−1.62, 2.80] | — | — | −0.23 | [−0.91, 0.45] |
South America | — | — | — | — | — | — |
Treatment length | 0.39 | [−0.37, 1.15] | 0.08 | [−0.31, 0.46] | −0.09 | [−0.15, −0.03] |
Intervention target type | ||||||
Psychopathology | Reference | Reference | Reference | |||
SITBs | −0.63 | [−1.38, 0.11] | — | — | −0.16 | [−0.30, −0.01] |
Intervention components | Â | Â | Â | Â | Â | Â |
Medication only | Reference | Reference | Reference | |||
Medication and psychotherapy | 0.65 | [−0.14, 1.45] | 0.42 | [−1.14, 1.98] | 0.16 | [−0.23, 0.55] |
Control group type | ||||||
Active treatment | Reference | Reference | Reference | |||
Placebo | −0.15 | [−0.85, 0.55] | 0.15 | [−0.71, 1.01] | 0.04 | [−0.10, 0.18] |
Small-study effects | −0.10 | [−0.54, 0.34] | 0.13 | [−0.34, 0.59] | 0.07 | [−0.06, 0.20] |