Estimating the odds ratio (independent data)

Estimate the odds ratio.

  1. Select a cell in the dataset.
  2. On the Analyse-it ribbon tab, in the Statistical Analyses group, click Compare Groups, and then click Odds Ratio.
    The analysis task pane opens.
  3. In the Y drop-down list, select the first categorical variable.
  4. In the X drop-down list, select the second categorical variable.
  5. If the data are in frequency form, in the Frequency drop-down list, select the frequency count variable.
  6. In the Ratio drop-down list, select the ratio of interest, and in the Event drop-down list, select the outcome of interest.
  7. In the Confidence interval edit box, type the confidence level as a percentage, or type - to suppress the confidence interval, and then in the drop-down list, select the confidence bounds.
  8. In the Method drop-down list, select the interval estimator.
  9. Click Calculate.
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