2.3. Sensitivity analyses

GI Gabriela Ilie
RR Robert Rutledge
ES Ellen Sweeney
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SPSS V.25 allows for sensitivity analyses (in this case, cross tabs and logistic regression) to be conducted using the original data set and the generated pooled dataset (based on the 73 imputed data sets) in one output. These sensitivity analyses were conducted in order to determine if our results depend on how the missing data was handled.22 Results were pooled in a summary measure following MI with an analytic sample of 6585 for each of our two outcomes (depression and anxiety) and were compared with the listwise exclusion original dataset which had analytic samples of 4417 and 4379 responses for each of our two outcomes (depression and anxiety), respectively. It should also be noted that due to MI adjustments, decimal sample sizes and degrees of freedom are normal and may occur (due to imputation aggregates) for some statistical tests.22, 23

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