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Table 3 Subgroup analysis of suicidal ideation and suicidal attempt by study population, sample size, setting, publication year, tool and time frame

From: Prevalence of suicidal ideation and attempted suicide in the general population of Ethiopia: a systematic review and meta-analysis

Subgroup Suicidal ideation Suicidal attempt
No. of studies Pooled prevalence 95% CI I2 p-value No. of studies Pooled prevalence 95% CI I2 p-value
Sample size
 Small (< median) 5 9 2–19 98.99% < 0.001 4 5 1–11 91.16% < 0.001
 Large (≥ median) 7 10 3–19 99.80% < 0.001 6 3 2–5 98.47% < 0.001
Study setting
 SNNP 5 14 2–32 99.78% < 0.001 5 5 2–8 98.74% < 0.001
 Oromia 2 11 10–13 – – 2 4 3–5 – –
 Addis Ababa 2 3 2–3 – – 2 3 2–3 – –
 Harar 1 5 4–6 – – 1 2 1–3 – –
 Tigray 1 5 3–8 – – – – – – –
Publication year
 1999–2010 4 19 5–39 99.89% < 0.001 5 5 2–8 99.86% < 0.001
 2011–2020 8 6 3–9 97.86% < 0.001 5 4 2–6 97.58% < 0.001
Quality of studies
 High 9 14 6–26 99.79% < 0.001 8 5 3–7 96.14% < 0.001
 Low 3 4 2–8 96.76% < 0.001 2 2 1–3 – –
Tool
 CIDI 7 14 4–30 99.68% < 0.001 7 4 1–8 97.86% < 0.001
 SRQ-20 5 4 3–6 95.54% < 0.001 – – – – –
 SRB-R – – – – – 1 3 2–4 – –
Timeframe
 12–month 12      7 4 1–8   
 Lifetime – – – – – 3 4 3–6 97.86% < 0.001
  1. 95% CI represents the 95% Confidence Interval for prevalence and I2 true heterogeneity
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International Journal of Mental Health Systems

ISSN: 1752-4458