I am at the data entry stage for my project. The questionnaire for both the cases and controls is similar apart from the details for the condition of interest. I will enter data in Epi Info, what i am not clear about is that should i be entering data for cases and control into separate databases i.e. Should I design two separate data entry forms in Epi Info, or will one form suffice for both, with different codes for cases and controls i.e A01, A02...for cases and B01, B02...for controls.
We used a single database for both case and controls with a separate variable 1=case and 2=controls. This makes analysis easier.
Stratify your dataset based on the arm; control and case. Then you may enter all your data into single dataset. Remember, the key for successful data analysis is proper data management
just add one new variable named as groups and then enter data as 1 = cases and 0 = controls
then first add all cases and after-that add all control
A single data set has to be entered for cases and controls. Both the groups can be coded as either 0 = cases and 1 = controls or 1= cases and 2= controls. Usually, cases are entered first followed by the control group.
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