Odds ratio epidemiologia pdf

Let p represent the incidence proportion or prevalence proportion of disease and o represent the odds of disease. Formulas from epidemiology kept simple 3e chapter 3. Watch stratified analysis of casecontrol data in stata. Understanding relative risk, odds ratio, and related terms. Devido a utilizacao cada vez maior do odds ra miettinen5 especificou o odds ratio em 3 titio em epidemiologia, apresentamse a seguir algu pos. Watch immediate commands in stata with summary data tutorials. The or represents the odds that an outcome will occur given a particular exposure, compared to the odds of the outcome occurring in the absence of that exposure. Odds ratio, hazard ratio and relative risk 67 8 nurminen, m.

Computing incidencerate ratios computing odds ratios computing risk ratios. An odds ratio or is a measure of association between an exposure and an outcome. To use or not to use the odds ratio in epidemiologic analyses. Odds ratios are most commonly used in casecontrol studies. We simulated in a cohort of 200 individuals with 100 exposed and 100 nonexposed to a risk factor, a first. Article pdf available in european journal of epidemiology 114. Pdf to use or not to use the odds ratio in epidemiologic. Ejercicios resolviendo riesgo relativo y odds ratio. T o use or not to use the odds ratio in epidemiologic studies. To report a risk or rate per m, simply multiply it by m.