Subjects were asked how much salt they consume each week and whether they currently have peripheral edema in a survey with a cross sectional design. What measure of association would be appropriate for this analysis?
A) Attributable risk
B) Attack rate
C) Relative risk
D) None of these measures is appropriate for this type of data

Question

Quizplus · Accepted Answer

In a cross-sectional study, the data is collected at a single point in time, making it difficult to establish a temporal relationship between exposure and outcome. Therefore, measures like attributable risk or relative risk, which require a temporal sequence, are not appropriate.

Subjects Were Asked How Much Salt They Consume Each Week