Cross-Sectional Studies

Question 1

examines the relationship between diseases and other variables of interest as they exist in a defined population at one particular time

Answer 1

cross-sectional studies

Question 2

examine association at a single point in time

Answer 2

cross-sectional studies

Question 3

measure exposure prevalence in relation to disease prevalence

Answer 3

cross-sectional studies

Question 4

cross-sectional studies cannot infer ________ between exposure and disease if exposure is a changeable characteristic

Answer 4

temporal sequence

Question 5

advantages of cross-sectional studies

Answer 5

generalizability and low cost

Question 6

a type of selection bias in cohort studies that results from comparing an exposed group of workers to the general population

Answer 6

healthy worker effect

Question 7

occurs because death and disease rates among a working population are usually lower than those of the general population

Answer 7

healthy worker effect