| ARI | Acute respiratory infection |
| CI | Confidence interval |
| DHS | Demographic and Health Surveys |
| ENDES | Demographic and Family Health Survey (Peru) |
| INEI | National Institute of Statistics and Informatics (Peru) |
| MICS | Multiple Indicator Cluster Surveys |
| PR | Prevalence ratio |
| PSU | Primary sampling unit |
| SDOH | Social Determinants of Health |
| VIF | Variance inflation factor |
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