You Randomly Select 120 Healthy Individuals and Randomize Them into a Group

question 3

Multiple Choice

You randomly select 120 healthy individuals and randomize them into a group given a daily multivitamin and a group who does not take a daily multivitamin. You follow the sample for ten years and identify all cases of pernicious anemia which develop. Which statement is true?

• A) You should NOT determine a relative risk since this is a cross sectional design
• B) You can determine the RR for developing pernicious anemia from this data
• C) Your exposure of interest is retrospective
• D) You can only determine the odds ratio for pernicious anemia

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Definitions:

Formula

A mathematical relationship or rule expressed in symbols.

Population

A term used to describe a group of individuals of the same species living in a particular area, or more broadly, the inhabitants of a particular region or country.

Lymphoma

A type of cancer that begins in the lymphatic system, which is part of the body's germ-fighting network.

PEM

Protein-Energy Malnutrition, a condition resulting from a diet lacking in adequate calories and protein.