On Mon, 28 Dec 2009, Gustaf Rydevik wrote:
Hi all,
I've got a project where I have to calculate weight-for-age Z-scores,
preferably using the WHO standards.
WHO have been very nice to publish macros for doing this in both
STATA,SPSS, SAS and Splus formats
(see http://www.who.int/childgrowth/so
Gustaf,
I would be advisable to first check that such z scores are valid
statistically (I have my doubts). They make a number of assumptions,
chief among them being that un-normalized weight is not a proper
physiologic summary. It is almost always the case that joint modeling
of age and wei
Hi all,
I've got a project where I have to calculate weight-for-age Z-scores,
preferably using the WHO standards.
WHO have been very nice to publish macros for doing this in both
STATA,SPSS, SAS and Splus formats
(see http://www.who.int/childgrowth/software/en/), but for some reason
have chosen n
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