Estimating the odds ratio (related data)

Estimate the odds ratio for related data.

1. Select a cell in the dataset.
2. On the Analyse-it ribbon tab, in the Statistical Analyses group, click Compare Pairs, and then click Odds Ratio.
   The analysis task pane opens.
3. If the data consists of paired/repeated measurements in separate variables:
   1. In the Model drop-down menu, select Paired / Repeated.
   2. In the Y lists, select two categorical variables.
4. If the data consist of matched pairs with a separate response variable, factor variable, and blocking variable:
   1. In the Model drop-down menu, select Matched.
   2. In the Y drop-down list, select the categorical response variable.
   3. In the X (factor) drop-down list, select the categorical factor variable identifying the groups.
   4. In the Block drop-down list, select the blocking variable identifying the matching.
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.