Malnutrition And Food Aid Programs: A Case Study From Guatemala Page: 22
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nature of the population under examination; that is, an "intra-
population" measure is involved. If it is the only parameter being
utilized, then, it tends to mask chronic malnutrition. It is calculat-
ed by dividing the observed weight of the measured individual by the
standardized weight for the observed height corresponding to the
standardized height, and, the result is then multiplied by 100 in
order to give the percent normal:
[ wt s/wtd (according to ht ht ) ] X 100 = percent normal.
Weight-for-age, designed to measure acute malnutrition (wasting),
is a well known and frequently used nutritional parameter for which
there are extensive references and studies for comparison. For field
use, it provides immediate determination of present nutritional status.
However, the weight-for-age index is associated with two problems:
1) it is age dependent and 2) it tends to classify nutritionally
stunted and/or genetically short children as acutely malnourished.
Gomez et al (1955) adjusted the Harvard standards (Harvard 1946) of
weight according to age for Mexico, specifically. The Gomez standards
are probably the most widely used, but the more recent (and more
accurately adjusted) NCHS's standards (NCHS 1976) are replacing them
in use in the Third World. The formula for the weight-for-age index
is as follows:
[ wt /wt (according to age) ] X 100 = percent normal.
That is, the observed weight of the measured individual is divided by
the standardized weight according to the specific age of the measured
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Rodeheaver, Daniel Gilbert, 1954-; Bates, Frederick L. & Murphy, Arthur D. Malnutrition And Food Aid Programs: A Case Study From Guatemala, report, May 1982; (digital.library.unt.edu/ark:/67531/metadc84342/m1/35/: accessed January 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Public Affairs and Community Service.