Section outline

  • Measures of Disease Association I

    Measures of association in cross-sectional and cohort studies; 2 x  2 tables; prevalence ratio and prevalence odds ratio; advantages and disadvantages of odds ratios; risk, rate, and hazard ratios; difference vs ratio measures; describing measures of association

    Faculty:  Ann Schwartz

    • Lecture Slides:

    • Lecture Audio/Video Recording (Access restricted to registered students): 

    • Watch 2021 URL
      Not available unless: You belong to a group in Registered Students Only
    • Large Group Discussion (Access restricted to registered students): Brief formal review of lecture followed by question and answer discussion. Recorded lecture should be viewed prior to this session.

    • Watch 2021 Media Resource
      Not available unless: You belong to Registered Students Only
    • Recommended Reading:

    •   S & N: Ch. 3, except sections 3.2.2 and 3.4.2 (i.e., skip attributable risk); Appendix A3

    • Optional Reading:

    • Cummings P. The relative merits of risk ratios and odds ratios. Arch Pediatr Adolesc Med. 163:438-445, 2009. File
      Not available unless: Your ID number contains 02
    • Norton et al Computing adjusted risk ratios and risk differences in Stata Stata Journal 13: 492–509, 2013 File
      Not available unless: Your ID number contains 02
    • Poole C. On the origin of risk relativism. Epidemiology 21:3-9, 2010. File
      Not available unless: Your ID number contains 02
    • Andersen et al. Competing risks in epidemiology. Internation Journal of Epidemiology 41:861-870, 2012. File
      Not available unless: Your ID number contains 02
    • Bland JM and Altman DG. The logrank test. BMJ 328:1073, 2004. File
      Not available unless: Your ID number contains 02
    • Hernan M. The hazards of hazard ratios. Epidemiology 21:13-25, 2010 File
      Not available unless: Your ID number contains 02
    • Stensrud et al. Limitations of hazard ratios in clinical trials. European Heart Journal 40:1378-1383, 2019 File
      Not available unless: Your ID number contains 02
    • Greenland Noncollapsibility confounding and sparse-data bias Part 1 JCE 2021 File
      Not available unless: Your ID number contains 02
    • Greenland Noncollapsibility confounding and sparse-data bias Part 2 JCE 2021 File
      Not available unless: Your ID number contains 02
    • Assignment: Problem Set 4

    • Assignment Due Date:  October 12, 2021 at the beginning of Small Group Discussion

    • Assignment Answer Key (Access restricted to registered students):

    • Problem Set 4 Disease Association I 2021 Answer Key File
    • Problem Set 4 Disease Association I 2021 Answer Key File