Glossary assignment 2016
Introduction to Epidemiology and Public Health
Concept Definition (source) Definition in own Synonyms (if Calculation (if Units (if Additional questions Other
words/ give example applicable) applicable) applicable) comments
WEEK 1
Part 1: Introduction to the field
1. Epidemic New cases of a What is the difference between
disease in a given epidemic, endemic and pandemic?
population during a
given time period Pandemic: epidemic that spreads
occur at a rate that across a large region.
substantially Endemic: (infectious) disease that is
exceeds what is common at a specific place.
'expected'.
Part 2: Measures of disease occurrence
2. Prevalence proportion What is difference between prevalence Prevalence:
proportion and incidence proportion? point and
period.
3. Incidence proportion Percentage of Measures the proportion Cumulative incidence Number of new cases / % Average risk in
people who newly of people who develop (CI). number of people at a cohort, with
get the disease (%). the disease during a risk (everybody who complete
specified period. does not have the follow-up.
disease yet) at the Closed
start of the period. population.
Attack rate and
lifetime risk.
4. Incidence rate Rate at which new Incidence density. Number of new cases / Per 100.000 What is the difference between Closed
cases of a disease Rate. Hazard. number of person- people per year. incidence proportion and incidence population and
have occurred. years when people (Any power of rate? open cohort or
were at risk of getting 10: 100, 1.000, dynamic
the disease. 10.000, population.
100.000),
Person-years.
5. (Crude) mortality rate Death rate. Explain the difference between crude
and standardised mortality rates
6. Direct standardisation What is the added value of direct
1
Introduction to Epidemiology and Public Health
Concept Definition (source) Definition in own Synonyms (if Calculation (if Units (if Additional questions Other
words/ give example applicable) applicable) applicable) comments
WEEK 1
Part 1: Introduction to the field
1. Epidemic New cases of a What is the difference between
disease in a given epidemic, endemic and pandemic?
population during a
given time period Pandemic: epidemic that spreads
occur at a rate that across a large region.
substantially Endemic: (infectious) disease that is
exceeds what is common at a specific place.
'expected'.
Part 2: Measures of disease occurrence
2. Prevalence proportion What is difference between prevalence Prevalence:
proportion and incidence proportion? point and
period.
3. Incidence proportion Percentage of Measures the proportion Cumulative incidence Number of new cases / % Average risk in
people who newly of people who develop (CI). number of people at a cohort, with
get the disease (%). the disease during a risk (everybody who complete
specified period. does not have the follow-up.
disease yet) at the Closed
start of the period. population.
Attack rate and
lifetime risk.
4. Incidence rate Rate at which new Incidence density. Number of new cases / Per 100.000 What is the difference between Closed
cases of a disease Rate. Hazard. number of person- people per year. incidence proportion and incidence population and
have occurred. years when people (Any power of rate? open cohort or
were at risk of getting 10: 100, 1.000, dynamic
the disease. 10.000, population.
100.000),
Person-years.
5. (Crude) mortality rate Death rate. Explain the difference between crude
and standardised mortality rates
6. Direct standardisation What is the added value of direct
1
