TABLE 2.
Overall and subgroup prevalence of suicidal ideations and suicide attempt
| Subgroup | Number of studies | Number of cases | Sample size | Prevalence (%) | 95%CI | I2 (P value) | Q value (p value) |
|---|---|---|---|---|---|---|---|
| Lifetime prevalence of suicidal ideation | |||||||
| Female | 4 | 582 | 11415 | 4.9 | 3.2–7.5 | 96.8 (<0.001) | 3.3 (0.06) |
| Male | 4 | 285 | 9859 | 2.8 | 1.8–4.3 | 90.7 (<0.001) | |
| Urban | 4 | 432 | 12114 | 3.3 | 2.0–5.7 | 97.6 (<0.001) | 0.3 (0.5) |
| rural | 3 | 415 | 8835 | 4.3 | 2.3–7.8 | 93.6 (<0.001) | |
| Lifetime prevalence of suicide attempts | |||||||
| Female | 5 | 275 | 24775 | 1.1 | 0.8–1.5 | 81.4 (<0.001) | 12.9 (0.0001) |
| Male | 5 | 115 | 23184 | 0.5 | 0.4–0.7 | 58.2 (0.003) | |
| Urban | 5 | 152 | 22067 | 0.7 | 0.5–0.9 | 74.5 (0.003) | 2.3 (0.1) |
| rural | 4 | 234 | 25567 | 0.9 | 0.8–1.0 | 30.9 (0.2)* | |
CI: confidence interval, I2: heterogeneity coefficient.
*
the pooled prevalence was computed using fixed-effect model. Other prevalence was computed using random-effect model.