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Date: | Thu, 23 Oct 2008 07:45:18 EDT |
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Nikki says,
<<The CDC is a survey of a representative sample of women across the country,
and is a true collection of statistics. Folks are called at home and asked
questions. The numbers for breastfeeding are not quite a straight line,
there is a very slight upward slope over the past 5 years. However,
exclusive bf rates have dropped over the past few years>>
However, gathering statistics from 424 women out of approximately 8 million
that have given birth over a two year period of time -- is that a true
representative sampling, even if they have queried all groups? I don't know how
you can get a P value out of that -- but then statistics isn't my forte -- I'll
be first to admit that. It's a sampling of 0.000053%. Ross' is a sampling
of 0.0625%.
And, if it stands to reason that Ross would benefit by having inflated
statistics, why is it that their numbers (be they from a marketing perspective or
whatever) show breastfeeding rates DECLINING where as the CDC shows them
increasing. There is a huge difference between 64% and 77% initiation rate.
While it is very satisfying to think that we have reached the Healthy People
2010 goal of 75% initiating bf, I'm not convinced we really have, because I am
having a hard time reconciling the CDC data.
Sam, you probably have seen this, but the CDC report, including the number
of mothers interviewed over the last years is at
_www.cdc.gov/nchs/data/databriefs/db05.htm_ (http://www.cdc.gov/nchs/data/databriefs/db05.htm) . You can
click on collection methods to see how many women were included.
Jan Barger, RN, MA, IBCLC, FILCA
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