Hi Paul,
The easy way would be to have one row per observation/patient and each
variable as one column. There would be one column AGE and one column
CASECONTROL, which you can assign 1 for cases and 0 for controls. This
way you can do "standard epidemology table" commands such as -cc- or
survival analysis with single-line commands using your "casecontrol"
variable as an indicator of the arm.
Good luck,
Adam Olszewski
On Mon, Dec 10, 2012 at 2:59 PM, Sacamano, Paul L. <psacaman@jhsph.edu> wrote:
> Hi,
>
> I am very new to Stata, very much a beginner.
>
> I have a case-control study and am not sure how to setup the structure of the data file.
>
> Using the variable age as an example, would I have:
> 1) a variable for CASE_AGE and CONTROL_AGE, or
> 2) have just one AGE variable, and include a CASE variable and a CONTROL variable?
>
> Really appreciate any help you might have.
>
>
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> * http://www.ats.ucla.edu/stat/stata/
*
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