Table 3 Data types and formats
Data category | Description | Examples |
|---|---|---|
Dichotomous | Two classes (also called binary data) | Disease or no disease Sleep or awake |
Continuous | Data measured in a scale | Height, temperature |
Ordinal | Categories with meaningful order | Clinical Fragility Scale Bristol stool chart |
Time to event | Time taken before the outcome of interest for each participant | Time to death Time to discharge from hospital |
Counts | Number of times an event happens (count) or events number during the study period (rate) | Number of falls per year |