st: RE: RE: date calculation

["DeMichele, Matthew" <mdemichele@rti.org>]

Yes, it was a similar question about generating date variables. This is about using dates of different formats to calculate age. Sorry if they are too closely related. Thank you for the help. 

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Joe Canner
Sent: Monday, March 10, 2014 3:53 PM
To: statalist@hsphsun2.harvard.edu
Subject: st: RE: date calculation

Matthew,

I think you asked more or less the same question a few months ago: http://www.stata.com/statalist/archive/2013-10/msg00662.html

At any rate, the answers given at that time should help answer this question.

Regards,
Joe Canner
Johns Hopkins University School of Medicine

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of DeMichele, Matthew
Sent: Monday, March 10, 2014 3:39 PM
To: statalist@hsphsun2.harvard.edu
Subject: st: date calculation

I have two date variables arranged as YYYYMM and YYYYYMMDD. The first variable is date of birth and the second is date of admission to treatment. I am trying to calculate age_at_admission, but am running into trouble. Is this a possible calculation since Stata calculates dates as days since 1,1,1960?

Thank you for your help. 

Matthew 


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