[EpiData-list] Re: calculating intervals between 2 pregnancie

3 Nov 2022


      The calculation of INTERVALLE should go in the AFTER ENTRY block of field DATE1.
I expect you do not want to allow someone to enter data in the field INTERVALLE, so it could be skipped with a jump or no entry
Jamie
...
On Nov 3, 2022, at 5:16 AM, EpiData development and support epidata-list@lists.umanitoba.ca wrote:
I want to calculate intervals between 2 different pregnancies. In my .chk, I have put this command:
BEFORE FILE
 TYPE COMMENT ALLFIELDS RED
END
INTERVALLE
 AFTER ENTRY
   INTERVALLE=((DATE - DATE1)/ 30)
 END
END
And IT DOES NOT WORK
I you can help. Thanks
Dr Pierre-Yves Robillard