Measures of Occurrence

Question 1

Describes a single population

Answer 1

Frequencies

Question 2

a single number

Answer 2

Counts

Question 3

One numerator, one denominator

Answer 3

Ratios

Question 4

The numerator is a subset of the denominator

Answer 4

Proportion

Question 5

The number of new events occurring in a specified period in a defined population

Answer 5

Incidence

Question 6

Measures of incidence are:

Answer 6

Cumulative incidence (risk) and incidence density (true rate)

Question 7

Number of new cases / total population

Answer 7

Cumulative incidence (risk)

Question 8

number of new cases / person-time-at-risk

Answer 8

Incidence density (true rate)

Question 9

Measures the disease burden in the population

Answer 9

Prevalence

Question 10

Affected by new cases occurring and duration of outcome (rate of recovery and death).

Answer 10

Prevalence

Question 11

number of cases (new and existing) / total population

Answer 11

Prevalence

Question 12

Cumulative Incidence measures __________

Answer 12

Risk

Question 13

Cumulative Incidence numerator is _______

Answer 13

new cases

Question 14

Cumulative Incidence denominator is _______

Answer 14

Population at risk

Question 15

Cumulative Incidence population is ____

Answer 15

closed cohort

Question 16

Cumulative Incidence numeric range is _____

Answer 16

0 to 1

Question 17

Cumulative Incidence unit is ___________

Answer 17

Dimensionless, time specified

Question 18

Incidence Density measures ________

Answer 18

Rate

Question 19

Incidence Density numerator is ________

Answer 19

New cases

Question 20

Incidence Density denominator is ________

Answer 20

Person-Time of Observation

Question 21

Incidence Density population is ___________

Answer 21

Open or Closed Cohort

Question 22

Incidence Density numeric range is ______

Answer 22

0 to ∞

Question 23

Incidence Density unit is __________

Answer 23

Per unit time

Question 24

unadjusted measure of occurrence

Answer 24

Crude (unadjusted)

Question 25

hypothetical measure of occurrence that would have occurred had the observed rates prevailed in a population with a distribution of that of the standard population, e.g. age-adjusted mortality rates

Answer 25

Adjusted

Question 26

the measure of occurrence within a specific stratum (e.g. women) of the population

Answer 26

Stratum-specific