EPIDEMIOLOGY Flashcards
DEFINITION OF EPIDEMIOLOGY GIVEN BY?
JOHN M LAST
Father of modern epidemiology and public health
John Snow
Forward looking study is
cohort
retrospective study is
case control
TROHOC Study aka
case control
relative risk
incidence in exposed/ incidence in non exposed
attributable risk
incidence in exposed- I(non exposed) /I(exposed *100
Population attributable risk
I(total) - I(non exposed)/ I(total) *100
Odd’s ratio formular
internet
most accurate, easiest and most common measure of strength of association
relative risk
drawback of ecological study is
ecological fallacy
to remove confounding-
- most common
- best
- 2nd best
- matching
- stratified randomisation
- randomisation
Hawthorne bias is an example of which bias?
subject bias
Berksonian and Pygmalion bias are examples of ?
Investigatory selection bias
most common blinding
double
best blinding
triple
heart of RCT
RANDOMISATION
In rct,randomisation is best applied at
2nd stage (allocation of groups)
Order of study designs, best to worst
meta analyses rct retrospective cohort prospectivecohort case control cross section ecologial
disadvantage of meta analyses
publication bias, apple orange effect
funnel plot and forest plot seen in ?
meta analyses
father of evidence based medicine
david lawrence sackett
gold satndard of evidence based medicine
meta analyses
spontaneous theory of disease causation given by ?
aristotle
germ theory of dis by?
L pasteur
multifactorial causation given by
Patenkofer
web of causation given by
McMohan and Pugh
1st true epidemiologist
hippocrates
national institute of epidemiology at?
chennai
