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Observational bias during nutrition surveillance: results of a mixed longitudinal and cross-sectional data collection system in northern Nigeria | Journal Article / Research | MSF Science Portal
Journal Article
|Research

Observational bias during nutrition surveillance: results of a mixed longitudinal and cross-sectional data collection system in northern Nigeria

Grellety E, Luquero FJ, Mambula C, Adamu HH, Elder G, Porten K
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Abstract
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/cross-sectional data and estimate the extent of seasonal variation.

Countries

Nigeria

Subject Area

malnutritiondisease surveillance

Languages

English
DOI
10.1371/journal.pone.0062767
Published Date
03 May 2013
PubMed ID
23671632
Journal
PLOS One
Volume | Issue | Pages
Volume 8, Issue 5
Issue Date
2013-05-03
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