EPI 203: Epidemiologic Methods (Fall 2013)
Section outline
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Lecture: Course Introduction; Study Design
Distinction between designs where the unit of observation is a group of individuals vs. the individual; ecological fallacy; types of studies with observations on the individual; cohort study as gold standard of observational designs; concept of study base linking cohort and case-control designs.Faculty: Jeffrey Martin and Ann Schwartz
Location: China Basin 6702 -
Lecture: Measures of Disease Occurrence I
Prevalence vs. incidence; the three elements in measuring disease incidence; the concept of a rate; cumulative incidence vs. person-time incidence; concepts of survival analysis—failure time and censoring; calculating cumulative incidence—Kaplan Meier and life table methods.
Faculty: Ann Schwartz
Location: China Basin 6702 -
Small Group Discussion Section
Review of prior lecture and problem setFaculty: Miriam Laker-Oketta, Heidi Moseson, Martina Steurer, Christina Yoon, Alexis Beatty, Aggrey Semeere, Trisha Hue, Jeff Martin, Ann Schwartz
Location: Laker-Oketta CB 6702, Moseson CB 6601, Steurer CB 5759, Yoon CB 5721, Semeere Online
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Lecture: Measures of Disease Occurrence II
Person-time incidence rates; rate is not a proportion; instantaneous rate; person-time based on grouped data vs. individual data; assumption that ratio of time to number in denominator does not matter; stratified person-time exposure in cohort studies; relationship of prevalence to incidence; competing risks.
Faculty: Ann Schwartz
Location: China Basin 6702 -
Small Group Discussion Section
Review of prior lecture and problem setFaculty: Miriam Laker-Oketta, Heidi Moseson, Martina Steurer, Christina Yoon, Alexis Beatty, Trisha Hue, Jeff Martin, Ann Schwartz, Aggrey Semeere
Location: Laker-Oketta CB 6702, Moseson CB 6601, Steurer CB 5759, Yoon CB 5721, Semeere Online
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Journal Club
Application of concepts learned in the course to date in the critical dissection of an article in the applied literature
Faculty: Alexis Beatty, Trisha Hue, Jeff Martin, Ann Schwartz, Aggrey Semeere
Location: Students will stay in the rooms of their prior small group sections. Semeere online. -
Lecture: Measures of Disease Association I
Measures of association of disease incidence in a cohort; incidence difference versus incidence ratio; risk ratio vs. rate ratio; 2x2 table for exposure and disease measures of association; odds ratio for disease equals odds ratio for exposure; relative risk vs. odds ratio; prevalence ratio.
Faculty: Ann Schwartz
Location: China Basin 6702 -
Small Group Discussion Section
Review of prior lecture and problem setFaculty: Miriam Laker-Oketta, Heidi Moseson, Martina Steurer, Christina Yoon, Alexis Beatty, Trisha Hue, Jeff Martin, Ann Schwartz, Aggrey Semeere
Location: Laker-Oketta CB 6702, Moseson CB 6601, Steurer CB 5759, Yoon CB 5721, Semeere Online
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Lecture: Measures of Disease Association II and Measures of Attribution
Measures of association in a case-control study; equivalence of odds ratio to other measures of association depending on control sampling: case-cohort, incidence density, or prevalent; measures of attribution: attribution among exposed vs attribution in an overall population.
Faculty: Ann Schwartz
Location: China Basin 6702 -
Small Group Discussion Section
Review of prior lecture and problem setFaculty: Miriam Laker-Oketta, Heidi Moseson, Martina Steurer, Christina Yoon, Alexis Beatty, Trisha Hue, Jeff Martin, Ann Schwartz, Aggrey Semeere
Location: Laker-Oketta CB 6702, Moseson CB 6601, Steurer CB 5759, Yoon CB 5721, Semeere Online
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Journal Club
Application of concepts learned in the course to date in the critical dissection of an article in the applied literature
Faculty: Alexis Beatty, Trisha Hue, Jeff Martin, Ann Schwartz, Aggrey Semeere
Location: Students will stay in the rooms of their prior small group sections. Semeere Online. -
Lecture: Selection Bias
Internal vs. external validity; definition and classification of bias; distinguishing bias from random error; spotting and minimizing selection bias in descriptive, cross-sectional, case-control, and longitudinal (e.g., cohorts or trials) studies
Faculty: Jeffrey Martin
Location: China Basin 6702 -
Small Group Discussion Section
Review of prior lecture and problem setFaculty: Miriam Laker-Oketta, Heidi Moseson, Martina Steurer, Christina Yoon, Alexis Beatty, Trisha Hue, Jeff Martin, Ann Schwartz, Aggrey Semeere
Location: Laker-Oketta CB 6702, Moseson CB 6601, Steurer CB 5759, Yoon CB 5721, Semeere Online
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Lecture: Understanding Measurement: Aspects of Reproducibility and Validity
Distinguishing reproducibility from validity; how reproducibility influences validity; methods of characterizing reproducibility of measurements (within-subject standard deviation, intraclass correlation coefficient, coefficient of variation); methods of assessment of validity in the presence and absence of gold standards
Faculty: Jeffrey Martin
Location: China Basin 6702 -
Small Group Discussion Section
Review of prior lecture and problem setFaculty: Miriam Laker-Oketta, Heidi Moseson, Martina Steurer, Christina Yoon, Alexis Beatty, Trisha Hue, Jeff Martin, Ann Schwartz, Aggrey Semeere
Location: Laker-Oketta CB 6702, Moseson CB 6601, Steurer CB 5759, Yoon CB 5721, Semeere Online
-
Journal Club
Application of concepts learned in the course to date in the critical dissection of an article in the applied literature
Faculty: Alexis Beatty, Trisha Hue, Jeff Martin, Ann Schwartz, Aggrey Semeere
Location: Students will stay in the rooms of their prior small group sections. Semeere (online) -
Lecture: Measurement Bias
Differential vs non-differential misclassification; independent vs dependent errors; influence (magnitude and direction of bias) of differential vs. non-differential and independent vs dependent misclassification of exposure, outcome, and confounding variablesFaculty: Jeffrey Martin
Location: China Basin 6702 -
Small Group Discussion Section
Review of prior lecture and problem setFaculty: Miriam Laker-Oketta, Heidi Moseson, Martina Steurer, Christina Yoon, Alexis Beatty, Trisha Hue, Jeff Martin, Ann Schwartz, Aggrey Semeere
Location: Laker-Oketta CB 6702, Moseson CB 6601, Steurer CB 5759, Yoon CB 5721, Semeere Online
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Tuesday, November 12, 2013; 8:45 AM - 10:15 AM **Note: THIS WEEK ONLY THE LECTURE WILL ONLY BE AVAILABLE VIA VIDEOTAPE RECORDING. AT 9 AM, THE FACULTY WILL HOST A GENERAL QUESTION & ANSWER SESSION FOR MATERIAL COVERED TO DATE.**
Lecture: Confounding and Interaction I: General Principles
Definition and manifestations of confounding; requirements for confounding variables; use of directed acyclic graphs (DAGs) to demonstrate and identify confounding; extraneous causal pathways; importance of defining the research question and the biological system to prevent confounding
Faculty: Jeffrey Martin
Location: China Basin 6702 -
Small Group Discussion Section
Review of prior lecture and problem setFaculty: Miriam Laker-Oketta, Heidi Moseson, Martina Steurer, Christina Yoon, Alexis Beatty, Trisha Hue, Jeff Martin, Ann Schwartz, Aggrey Semeere
Location: Laker-Oketta CB 6702, Moseson CB 6601, Steurer CB 5759, Yoon CB 5721, Semeere Online
-
Journal Club
Application of concepts learned in the course to date in the critical dissection of an article in the applied literature
Faculty: Alexis Beatty, Trisha Hue, Jeff Martin, Ann Schwartz, Aggrey Semeere
Location: Students will stay in the rooms of their prior small group sections. Semeere (Online) -
Lecture: Confounding and Interaction II: Assessment of Interaction
Strategies to minimize confounding; distinguishing interaction (effect measure modification) from confounding; assessing for interaction; tests of homogeneity; computer implementation
Faculty: Jeffrey Martin
Location: China Basin 6702 -
Small Group Discussion Section
Review of prior lecture and problem setFaculty: Miriam Laker-Oketta, Heidi Moseson, Martina Steurer, Christina Yoon, Alexis Beatty, Trisha Hue, Jeff Martin, Ann Schwartz, Aggrey Semeere
Location: Laker-Oketta CB 6702, Moseson CB 6601, Steurer CB 5759, Yoon CB 5721, Semeere Online
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Lecture: Confounding and Interaction III: Stratified Analysis
Concept of weighted averages; use of stratification to form adjusted measures; managing multiple confounding paths; software implementation to detect minimally sufficient set for adjustment; limitations of stratification including time-dependent confounding/mediation
Faculty: Jeffrey Martin
Location: China Basin 6702 -
Small Group Discussion Section
Review of prior lecture and problem setFaculty: Miriam Laker-Oketta, Heidi Moseson, Martina Steurer, Christina Yoon, Alexis Beatty, Trisha Hue, Jeff Martin, Ann Schwartz, Aggrey Semeere
Location: Laker-Oketta CB 6702, Moseson CB 6601, Steurer CB 5759, Yoon CB 5721, Semeere Online
-
Journal Club
Application of concepts learned in the course to date in the critical dissection of an article in the applied literature
Faculty: Alexis Beatty, Trisha Hue, Jeff Martin, Ann Schwartz, Aggrey Semeere
Location: Students will stay in the rooms of their prior small group sections. Semeere Online -
Journal Club
Application of concepts learned in the course to date in the critical dissection of an article in the applied literature
Faculty: Jeff Martin
Location: China Basin 6702 -
Small Group Discussion Section
Review of prior lecture and problem setFaculty: Miriam Laker-Oketta, Heidi Moseson, Martina Steurer, Christina Yoon, Alexis Beatty, Trisha Hue, Jeff Martin, Ann Schwartz, Aggrey Semeere
Location: Laker-Oketta CB 6702, Moseson CB 6601, Steurer CB 5759, Yoon CB 5721, Semeere Online
