Chapter 9 Flashcards
What is a cross-sectional study?
measures the proportions of members of a population who have a particular exposure or disease at a particular point in time
What is representiveness?
The degree to which the participants in a study are similar to the source population from which they were drawn
What is a Kap survey ?
Asks participants about their knowledge attitudes and practices
What is a repeated cross-sectional study?
resample and resurvey people of the same source population at 2 or more different time points
what is surveillance?
monitoring health events in a population so that emerging health threats can be detected
what is active surveillance?
contacting health care providers to see how often
what is passive surveillance?
diagnoses submitted by medical laboratories
What is prevalence?
who has given trait at the time of the study?
what is point prevalence?
particular characteristic at one point in time
what is period prevalence?
particular characteristic during a defined time period
what is a prevalence ratio?
a comparison of characteristics in 2 independent populations
Exposure..
can be related to a disease
Can a cross-sectional study show that an exposure caused a disease?
no
