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Univariate and categorical meta-regression for the included studies to identify the source of heterogeneity for the magnitude of pneumonia among under-five children in Ethiopia.
| Variables | Characteristics | Coefficient | P value |
|---|---|---|---|
| Year | Publication | −0.2216302 | 0.865 |
|
| |||
| Sample size | −0.0856182 | 0.027 | |
|
| |||
| Region | Amhara | Reference | Reference |
| Addis Ababa | −22.83555 | 0.064 | |
| Oromia | −4.9355 | 0.584 | |
| SNNP | 5.815305 | 0.636 | |
