Table 3.
Subgroup analysis of the studies by region and sample size.
| Subgrouping variable | Categories | Heterogeneity (I2, p-value) | Prevalence of ADHD with 95% CI |
|---|---|---|---|
| Sample size | 355–1,000 | 61.37%, p = 0.05 | 11.04 (8.61–13.47) |
| >1,000 | 98.07%, p = 0.001 | 4.36% (1.32–10.05) | |
| Region | Amhara | 0.00%, p = 0.001 | 13% (9.5–16.5) |
| Oromia | 76.15%, p = 0.01 | 9.53% (7.04–12.02) | |
| SNNPE | 0.00%, p = 0.001 | 1.5% (0.87–2.13) |