# relative odds meaning

- [Medicine]

The ratio of two odds. The exposure-odds ratio for case control data is the ratio of the odds in favor of exposure among cases to the odds in favor of exposure among noncases. The disease-odds ratio for a cohort or cross section is the ratio of the odds in favor of disease among the exposed to the odds in favor of disease among the unexposed. The prevalence-odds ratio refers to an odds ratio derived cross-sectionally from studies of prevalent cases.

- IIA implies that adding another option or changing the characteristics of a third option does not affect the
*relative odds* between the two options considered. - After adjustments for other factors known to influence growth, including social class, crowding in the home and gender, the
*relative odds* were only slightly reduced.