Term: Cross Sectional Study

Glossary Definition

Last Updated: 2006-10-20

Definition:

A study that examines the relationship between diseases (or other health-related characteristics) and other variables of interest as they exist in a defined population at one point in time. The presence or absence of disease and the presence or absence of the other variables (or, if they are quantitative, their level) are determined in each member of the study population or in a representative sample at one particular time. The temporal sequence of cause and effect cannot necessarily be determined in a cross-sectional study. Consequently, disease prevalence rather than incidence is normally recorded in a cross-sectional study.

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