Cross-Sectional Study Case-Control Cohort Study Study Case Risk factors Risk factors Case FIGURE 19.11 Analytical Studies When groups of disease cases are compared, epidemiologists can test their predictions about the nature of a disease. (a) Case-control studies consider past events that may have led up to the onset of disease. (b) Cross-sectional studies gather information about possible risk factors and the occurrence of disease at one point in time. (c) Cohort studies most often follow groups with specific risk factors into the future to see if disease develops.
Cross-Sectional Study Case-Control Cohort Study Study Case Risk factors Risk factors Case FIGURE 19.11 Analytical Studies When groups of disease cases are compared, epidemiologists can test their predictions about the nature of a disease. (a) Case-control studies consider past events that may have led up to the onset of disease. (b) Cross-sectional studies gather information about possible risk factors and the occurrence of disease at one point in time. (c) Cohort studies most often follow groups with specific risk factors into the future to see if disease develops.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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In a case-control study, how do the cases differ from the controls?
Transcribed Image Text:Cross-Sectional
Study
Case-Control
Cohort
Study
Study
Case
Risk factors
Risk factors
Case
FIGURE 19.11 Analytical Studies When groups of disease cases
are compared, epidemiologists can test their predictions about the
nature of a disease. (a) Case-control studies consider past events
that may have led up to the onset of disease. (b) Cross-sectional
studies gather information about possible risk factors and the
occurrence of disease at one point in time. (c) Cohort studies most
often follow groups with specific risk factors into the future to see if
disease develops.
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