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st: generating age using dates

From   martine etienne <>
Subject   st: generating age using dates
Date   Fri, 17 Dec 2010 07:26:46 -0800 (PST)

Hi Statlisters,
I am trying to generate age using the following variables:

"survey_date"=survey date

"q1_dob2"=date of birth

I started with the following command:
gen nage= survey_date- q1_dob2
gen age= nage/365.4
but I'm stuck at this point because it looks like the numbers are very similar 
to each other, ie..I have a sample of 287 and over 200 are 50 plus....

thanks for any help!

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