Data Sources for Epidemiologic Studies Include

question 4

Multiple Choice

Data sources for epidemiologic studies include:

• A) Vital records
• B) Electronic Medical Records
• C) Population-based surveys
• D) The US Census
• E) All of the above

---

Definitions:

Categorical Data

Data that represent characteristics and can be divided into groups or categories, which are not numerically quantifiable.

Ordinal Data

Refers to a type of data which is categorized into ordered levels but the differences between the levels are not necessarily consistent or measurable.

Interval Data

A type of data that not only categorizes variables but also quantifies the differences between these categories, where the intervals between values are interpretable.

Ratio Data

A type of quantitative data that not only offers order and equal intervals between values but also has a natural zero point, enabling ratios to be calculated.