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Niveles desglosados de morbilidad infantil en Zambia: aplicación del método de estimación de áreas pequeñas
Audrey M Kalindi1,2, Sumonkanti Das3,4
1Department of Demography, Population Sciences, Monitoring & Evaluation, The University of Zambia, Lusaka, Zambia. audrey.kalindi@unza.zm.
Population health metrics
|August 28, 2025
Resumen
La morbilidad infantil sigue siendo alta en Zambia, con disparidades significativas entre los distritos. La estimación de áreas pequeñas (SAE) revela patrones detallados, lo que permite intervenciones específicas para los desafíos de salud menores de cinco años.
Área de la Ciencia:
- Salud pública
- Análisis geoespacial
- Estadísticas biológicas
Sus antecedentes:
- La morbilidad infantil y los desafíos del desarrollo son temas críticos en el África subsahariana, particularmente en Zambia.
- A pesar del progreso, las tasas de morbilidad de menores de cinco años en Zambia siguen siendo altas, con importantes disparidades provinciales.
- Las encuestas demográficas de salud existentes carecen de granularidad para estadísticas confiables de morbilidad a nivel de distrito.
Objetivo del estudio:
- Investigar la distribución geoespacial de la prevalencia de la morbilidad infantil a niveles administrativos desglosados en Zambia.
- Aplicar métodos de estimación de áreas pequeñas (SAE) para el análisis detallado de la morbilidad infantil.
- Identificar las variaciones geográficas y específicas de la edad en la morbilidad infantil.
Principales métodos:
- Se utilizaron datos de la Encuesta Demográfica y de Salud de Zambia de 2018 y el Censo de Zambia de 2010.
- Se empleó un modelo jerárquico de estimación de área pequeña (SAE) bayesiano.
- Se ha tenido en cuenta la heterogeneidad espacial y no observada a nivel provincial y distrital, clasificada por grupos de edad.
Principales resultados:
- Las estimaciones basadas en modelos demostraron errores estándar más bajos que las estimaciones directas.
- Se observaron diferencias significativas en los niveles de morbilidad dentro y entre distritos/provincias.
- La prevalencia de morbilidad en menores de cinco años es del 25%, con las tasas más altas en Luapula y las provincias occidentales y entre los niños de 11 a 23 meses de edad.
Conclusiones:
- Las estimaciones desglosadas basadas en datos ofrecen información crítica sobre la distribución espacial de la morbilidad infantil.
- Los resultados apoyan intervenciones específicas y la formulación de políticas informadas a nivel local.
- Los métodos SAE proporcionan datos fiables de morbilidad infantil a nivel de distrito para Zambia.
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