POPM 3240 Lecture Notes - Lecture 6: Disease Surveillance, Rare Disease, Relative Risk
2 Dec 2017
School
Department
Course
Professor
Document Summary
Descriptive studies: describe the what relative to who, where, & when; helps understand why. Collecting info about occurrences of a disease but with no attempt to establish an association between case & e ect. Main focus: count, sample, survey, & assess risk. Analytical studies: describe the why relative to what, who, where, & when. Investigate reasons for disease/death/event/productivity (i. e. determinants of a disease) to ultimately prevent & control health problems. Involve statistical analysis of epidemiological data to establish relationships b/w causative factors & occurrence of disease. Main focus: use measures of association & statistical models. Cannot make conclusions about associated between exposure and outcome. Three main types: case reports, case series, surveys. Intervened by giving half the study subjects the u vaccine: 2 types: Simply observes whether outcome occurred in those vaccinated & not vaccinated: observational study may be better than experimental study if:
