In a case-control study, why are the cases and controls often matched on variables such
as age and sex?
a. So that cases and controls are similar except for the disease and health characteristic
under study
b. So that cases and controls are similar for all aspects of the study
c. So that cases and controls are similar except for the disease under study only
d. So that cases and controls are similar except for the health characteristic only
CARF
Match the descriptor with the correct abbreviation.
a. Comprehensive assessment of a long-term care patient
b. Data content standard by ASTM
c. Data set for hospitals used by federal and state agencies for billing
d. Agency that collects vital statistics data
e. Data set for ambulatory care
f. Agency that accredits rehabilitation organizations
g. Data set for home health care
h. Agency that encourages the use of guidelines to improve health care
i. Data set for long-term care