Table 2: Statistical test based on dependent variables.
Type of Dependent Variable |
Example |
Type of Analysis |
Statistical Test(s) Used |
Continuous Dependent Variable |
Measuring a Blood pressure |
Comparing 2 groups |
Using t-test |
Continuous Dependent Variable |
Measuring a Heart rate |
Comparing more than 2 groups |
Using ANOVA Test |
Continuous Dependent Variable |
Measuring a Weight gain |
Association dependent Variable with another variable |
Using Pearson or Spearman correlation test |
Categorical (Nominal) Dependent Variable |
(Yes/No) Disease status |
Comparing proportions among groups |
Using the Chi-square test, Fisher’s exact test |
Binary Dependent Variable |
Survival status |
Association dependent variable with predictors |
Using a Logistic regression test |
Ordinal Dependent Variable |
Measuring a Pain severity |
Comparing ordered categories variable |
Using Ordinal regression, the Wilcoxon rank-sum test |
Count Dependent Variable |
Measuring a No. infections |
Frameworking count outcomes |
Using Poisson regression test |