Table 2.
A subgroup analysis of the prevalence of depression among prisoners in Ethiopia based on random effect analysis
| Subgroup | Number of studies | Estimates | Heterogeneity | ||||
|---|---|---|---|---|---|---|---|
| Prevalence (%) | 95% CI | I2 | Q(DF) | p-value | |||
| Region | Amhara | 3 | 44.43 | 43.36, 45.550 | 98.6% | 139.17(2) | P < 0.001 |
| Oromia | 2 | 41.9 | 41.73, 42.07 | 0% | 0% (1) | P = 1.00 | |
| Southern part | 2 | 72.7 | 40.75, 104.65 | 99.8% | 3420(1) | P < 0.001 | |
| Addis Ababa | 2 | 59.05 | 44.45, 73.65 | 99. 2% | 1246.23(1) | P < 0.001 | |
| Tools | PHQ-9 | 5 | 51.24 | 42.23, 60.25 | 98.8% | 921.57(4) | P < 0.001 |
| BDI-II | 4 | 56.15 | 29.09, 83.11 | 99.6% | 1742.86 (3) | P < 0.001 | |
| Sample | < 350 | 6 | 54.13 | 35.66, 72.60 | 99.2% | 1242.12 (5) | P < 0.001 |
| ≥ 350 | 3 | 51.93 | 38.08, 65.78 | 98.8% | 935.75(2) | P < 0.001 | |
| Sampling technique | Simple random | 4 | 53.1 | 42.23, 63.97 | 99% | 1150.75(3) | P < 0.001 |
| Systematic and multi-stage | 5 | 53.64 | 33.15, 74.13 | 99.4% | 1624.13(4) | P < 0.001 | |
Key: BDI II Beck depression inventory II, DF Degree of Freedom, PHQ-9 Patient Health Questionnaire-9