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Descriptive Epidemiology: Patterns of Disease— PersonPlaceTime

What are the 4 types of descriptive epidemiological studies?
Descriptive studies can be of several types, namely, case reports, case series, cross-sectional studies, and ecological studies.
What are descriptive epidemiology patterns?
Descriptive epidemiology searches for patterns by examining characteristics of person, place, & time.
These characteristics are carefully considered when a disease outbreak occurs, because they provide important clues regarding the source of the outbreak.
What method does epidemiologist use to describe patterns of disease?
Descriptive epidemiology uses observational studies of the distribution of disease in terms of person, place, and time.
The study describes the distribution of a set of variables, without regard to causal or other hypotheses.
Personal factors include age, gender, SES, educational level, ethnicity, and occupation.
Time.
Time is important in characterizing illness to assess if incidence rates or case numbers have increased or decreased over time and if there is seasonal variation.
In outbreaks, the relationship between time and the number of illnesses is graphically displayed in an epidemic curve.

The field of descriptive epidemiology classifies the oc- currence of disease according to the variables of person (who is affected), place (where the condition occurs), and time (when and over what time period the condition has oc- curred).

Research Methods: Introduction to Epidemiology

Descriptive Epidemiology: Patterns of Disease— PersonPlaceTime

What are the 4 types of descriptive epidemiological studies?

What are descriptive epidemiology patterns?

What method does epidemiologist use to describe patterns of disease?