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  1. A

    Are the sum values 'No' and 'Not informed' in the Odds Ratio analysis correct? See the example.

    In a hypothetical study I am trying to assess whether the presence of allergy is a risk factor for the presence of any virus. For this purpose, a questionnaire was applied on which many individuals marked "yes" or "no" for the presence of allergy. Those who did not complete the questionnaire...
  2. A

    Which multivariate analysis to apply on categorical data?

    In the image below I have a table with several categorical variables. I must perform a multivariate analysis that can inform the relationship of the variables (Ethnicity, Family income, Level Schooling, Occupation, Usage, knowledge) with the test variable. I'm a beginner in categorical data...