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Observational Bias during Nutrition Surveillance: Results of a Mixed Longitudinal and Cross-Sectional Data Collection System in Northern Nigeria

BACKGROUND: The Sahel is subject to seasonal hungry periods with increasing rates of malnutrition. In Northern Nigeria, there is no surveillance system and surveys are rare. The objectives were to analyse possible observational bias in a sentinel surveillance system using repeated mixed longitudinal...

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Detalles Bibliográficos
Autores principales: Grellety, Emmanuel, Luquero, Francisco J., Mambula, Christopher, Adamu, Hassana H., Elder, Greg, Porten, Klaudia
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2013
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3643959/
https://www.ncbi.nlm.nih.gov/pubmed/23671632
http://dx.doi.org/10.1371/journal.pone.0062767