Assessment of bias in national growth monitoring data: a case study in Zimbabwe

Wright, J.A., Gundry, S.W., Ferro-Luzzi, A., Mucavele, P., Russell, G. and Nyatsanza, J. (2001) Assessment of bias in national growth monitoring data: a case study in Zimbabwe. Food and Nutrition Bulletin, 22, (1), 31-38.


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This study assesses the extent to which children under five
years of age attending a growth-monitoring program are
representative of the population as a whole. Bias in the
prevalence of underweight estimated through growthmonitoring
is assessed by comparing data from the
program with prevalence estimates from the communitybased
Demographic and Health Surveys of 1988 and
1994. Geographic patterns of attendance at growthmonitoring
are also examined through a comparison
with census data, and trends in growth-monitoring data
are also assessed. Provincial and national estimates of
the prevalence of underweight from the two sources
were not significantly different in 1988, but significant
differences in prevalence estimates were identified in
1994. This suggests that growth-monitoring attendees
were less representative of the general population in 1994
than at the start of the study period. The methodology
used is transferable elsewhere, since the same data sets
exist for many other African countries

Item Type: Article
ISSNs: 0379-5721 (print)
Related URLs:
Subjects: G Geography. Anthropology. Recreation > G Geography (General)
G Geography. Anthropology. Recreation > GE Environmental Sciences
G Geography. Anthropology. Recreation > GB Physical geography
Divisions : University Structure - Pre August 2011 > School of Geography > Remote Sensing and Spatial Analysis
ePrint ID: 55555
Accepted Date and Publication Date:
Date Deposited: 01 Aug 2008
Last Modified: 31 Mar 2016 12:35

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