See all my videos at https://www.zstatistics.com/videos/ Health Stats IQ playlist:    • Health Stats IQ   0:00 Introduction 0:30 Context 3:13 Calculation of RR and OR 7:40 Case control studies (Why do we need Odds Ratios?) 14:03 Equivalence between RR and OR 17:37 Examples from research REFERENCES USED Curhan, S. G., Willett, W. C., Grodstein, F., & Curhan, G. C. (2019). Longitudinal study of hearing loss and subjective cognitive function decline in men. Alzheimer's & Dementia, 15(4), 525-533. https://alz-journals.onlinelibrary.wiley.com/doi/full/10.1016/j.jalz.2018.11.004 Rentsch, C. T., Kidwai-Khan, F., Tate, J. P., Park, L. S., King Jr, J. T., Skanderson, M., ... & Justice, A. C. (2020). Patterns of COVID-19 testing and mortality by race and ethnicity among United States veterans: A nationwide cohort study. PLoS medicine, 17(9), e1003379. https://journals.plos.org/plosmedicine/article?id=10.1371/journal.pmed.1003379