Measures of Disease Occurence

Question 1

Value obtained by dividing one quantity by another

Answer 1

Ratio

Question 2

A fraction in which a numerator is not part of the denominator

Answer 2

Ratio

Question 3

Ratio in which numerator is part of the denominator

Answer 3

Proportion

Question 4

Expressed in percentage

Answer 4

Proportion

Question 5

Denominator involves measure of time

Answer 5

Rate

Question 6

MEasure risks associated with exposure and provide information about the speed of development of the disesase

Answer 6

Rate

Question 7

SImplest most frequently performed quantitative measure in epidemiology

Answer 7

Counts

Question 8

Number of cases of a disease

Answer 8

Counts

Question 9

Number of new case of disease that develop

Answer 9

Incidence

Question 10

Risk associated with certain exposure during specific period

Answer 10

Incidence measure

Question 11

MEasures of incidence

Answer 11

1 - cumulative (all members are follow up)

2- incidence (if cumulatiive cannot be computed due to non uniformity of follow up)

Question 12

Total number of existing cases of disease in a population at one point in time

Answer 12

Existing case

Question 13

Proportion of a popoulation with a certain disease at a given point int time

Answer 13

Prevalence

Question 14

PRobability that a randomly chosen individuals has the disease

Answer 14

Prevalence

of existing cases/ total population

Question 15

Cases, disease health conditions or deaths that exist at a particular point in time relative to a specific population from which cases are derived

Answer 15

Point prevalence

Question 16

Refers to all cases of disease within period of time

Answer 16

Period PRevalence

Question 17

Denostes cases diagnosed at any time during a persons lifetime

Answer 17

Lifetime prevalence

Question 18

Type of rate that has not been modified to take account any factors that may affect the observed rate

Answer 18

Crude rate

Question 19

Summary rates based on actual events in population over a given period of time

Answer 19

Crude rate

Question 20

Number of deaths due to a disaea that ccur among person who are afflicted with the disease

Answer 20

Case fatality rate

Question 21

Provides a measure of lethality of a disaes

Answer 21

Case fatality rate

Question 22

Used as health index of the health status od a nation

Answer 22

Infantile Mortality rate

Question 23

Denomnator should be pregnancy numbers

Answer 23

Maternal Mortality rate

Question 24

USeful in setting priotities for funding health programs

Answer 24

Cause-Specific Rate

Question 25

Number of deaths within a populationdue to a specific disease or cause

Answer 25

Proportional mortality ratio