EP713 Course Index

Adjustment by Direct Standardization

Age-Specific Rates

Ambidirectional Cohort Study

Assignment to Treatments or Regimens

Attributable Proportion

Attributable Proportion Among the Exposed

Bias - "Would" Criterion in Case-Control Studies

Bias - Assessing Bias in a Study

Bias - Control Selection Bias in Case-Control Studies

Bias - Differences in the Quality of Information

Bias - Differential Misclassification of Exposure

Bias - Differential Misclassification of Outcome

Bias - Differential Misclassification of Outcome

Bias - Differential Surveillance, Referral, or Diagnosis of Subjects

Bias - Healthy Worker Effect

Bias - Information Bias (Observation Bias)

Bias - Interviewer Bias

Bias - isclassification of Outcome

Bias - Loss to Follow Up - Prevention

Bias - Loss to Follow Up Bias

Bias - Nondifferential Misclassification of Exposure

Bias - Non-differential Misclassification of Outcome

Bias - Recall bias

Bias - Selection Bias

Bias - Selection Bias in Case-Control Studies

Bias - Selection Bias in Cohort Studies

Bias - Subject Selection Bias - Cohort Studies

Bias -Self-Selection Bias

Blinding (Masking), Placebos, and Shams

Case Reports

Case Series

Case-Control Design - Overview

Case-Control Studies - Measuring Association

Case-Control Studies - Overview

Case-Control Study - Advantages and Disadvantages of Case-Control Studies

Case-Control Study - Analysis

Case-Control Study - Friend, Neighbor, Spouse, and Relative Controls

Case-Control Study - Hospital or Clinic Controls

Case-Control Study - How Many Controls?

Case-Control Study - Methods of Control Sampling

Case-Control Study - More on Selection Bias

Case-Control Study - Population Controls

Case-Control Study - Selecting & Defining Cases and Controls

Case-Control Study - Selection of the Comparison Group ("Controls")

Case-Control Study - Sources for "Controls"

Case-Control Study - Sources of Cases

Case-Control Study - The "Case" Definition

Case-Control Study - The Rare Outcome Assumption

Case-Control Study - When Desirable?

Category-specific Rates

Causation - Historical Views

Causation - Webs of Causation

Causation - What is a Cause?

Chi-Square Test

Clinical Trials - Assessing Compliance

Clinical Trials - Basic Analysis

Clinical Trials - Blinding (Masking), Placebos, and Shams

Clinical Trials - Confounding

Clinical Trials - Efficacy Analysis

Clinical Trials - Intention-to-Treat Analysis

Clinical Trials - Internal and External Validity

Clinical Trials - Issues in the Analysis of Clinical Trials

Clinical Trials - Loss to Follow Up

Clinical Trials - Methods of Assignment

Clinical Trials - Phases of Trials Evaluating New Drugs

Clinical Trials - Population Hierarchy

Clinical Trials - Prevention trials (or prophylactic trials) versus Therapeutic Trials

Clinical Trials - Randomization and Control for Confounding

Clinical Trials - Sample Size

Clinical Trials - The Subjects

Clinical Trials - Types of Intervention Studies

Clinical Trials (Intervention Studies)

Closed versus Open Cohorts

Cohort Studies - Advantages & Disadvantages of

Cohort Studies - Closed versus Open Cohorts

Cohort Studies - General Population Cohorts versus Special Exposure Cohorts

Cohort Studies - Key Questions You Should Ask When Reading a Cohort Study

Cohort Studies - Non-participation in a Prospective Cohort Study

Cohort Studies - Prospective and Retrospective Cohort

Cohort Studies - Prospective Cohort Studies:

Cohort Studies - Retrospective Cohort Studies

Cohort Studies - Selection Bias in Prospective Cohort Studies

Cohort Studies - Selection Bias in Retrospective Cohort Studies 

Cohort Studies - Selection of Subjects

Cohort Studies - Summarizing Data

Cohort Studies - The Comparison Group

Cohort Studies - The Population "At Risk"

Cohort Studies Ambidirectional Cohort Study

Cohort Type Studies

Comparing Risk Among Two or More Exposure Groups

Compliance - Assessing Compliance

Compliance - Ways to Maintain Compliance

Compliance and Loss to Follow Up

Confidence Interval for a Proportion

Confidence Intervals

Confidence Intervals and p-Values

Confidence Intervals for Measures of Association

Confounding

Confounding - Control in Study Design

Confounding - Control in the Analysis

Confounding - Effects of

Confounding - Mantel-Haenszel Pooled Risk Estimates

Confounding - Matching

Confounding - Necessary Conditions for Confounding

Confounding - Randomization in Clinical Trials

Confounding - Residual Confounding

Confounding - Restriction

Confounding - Reverse Causality

Confounding by Indication

Cost of Prevention

Counts of Diseased People

Critical Review

Critical Thinking

Cross-Sectional Surveys

Crude Rates

Cumulative Incidence

Data Presentation

Data Summary

Death Rates in Florida and Alaska

DES Case-Control Study

Descriptive Epidemiology for Chronic Diseases

Descriptive Epidemiology for Infectious Disease Outbreaks

Differential Misclassification of Exposure

Differential Misclassification of Outcome

Direct Standardization Using an External Distribution

Division of Emerging Infections and Surveillance Services (DEISS)

Duration of Disease - Calculating Average Duration of Disease

Duration of Disease - Relationship Among Prevalence, Incidence, and Average Duration of Disease

Ecological Studies (Correlational Studies)

Effect Measure Modification (Interaction; Synergism)

Effects of Non-compliance:

Efficacy Analysis

Environmental Public Health Tracking 101

Epidemic Curves

Epidemiology - definition

EpiInfo

Fisher's Exact Test

Fixed versus Dynamic Populations

Follow Up in Cohort Studies 

Frequency Measures - Special Types

Healthy Worker Effect

Hepatitis Outbreak in Marshfield, MA

Hill's Criteria for Causality

Hypothesis Formulation – Characteristics of Person, Place, and Time

Hypothesis Testing

Identifying Confounding

Incidence - Relationship Among Prevalence, Incidence, and Average Duration of Disease

Incidence - Special Measures of Incidence

Incidence Rate

Incidence Rate - Relationship to Cumulative Incidence (Risk)

Individual versus Group (Community) Trials

Information Bias (Observation Bias)

Intention-to-Treat Analysis

Interaction - Effect Measure Modification (Interaction; Synergism)

Internal and External Validity

Intervention Studies

Interviewer Bias

Life Tables and Survival Analysis

Logistic Regression

Loss to Follow Up - Prevention

Loss to Follow Up Bias

Mantel-Haenszel Pooled Risk Estimates

Massachusetts Cancer Registry 

Massachusetts Infectious Disease Surveillance: MAVEN

Matching

Misclassification of Outcome

Multiple Exposure Groups: Using a Reference Group

Multiple Linear Regression 

National Notifiable Disease Surveillance System (NNDSS)

Nested Case-Control Study

Nondifferential Misclassification of Exposure

Non-differential Misclassification of Outcome

Number Needed to Treat

Odds Ratio

Odds Ratio as an Estimate of Risk Ratio

Odds Ratio in Case Control Studies

Odds versus "Probability"?

Outbreak Investigation - Steps

P- Values - Limitations of p-Values

Passive versus Active Surveillance

Person

Personal Characteristics

Phases of Trials Evaluating New Drugs

Place

Place: Variation by Location

Placebo Effect

'Population'

Population Attributable Fraction

Population Hierarchy

Precision

Prevalence

Prevalence - Relationship Among Prevalence, Incidence, and Average Duration of Disease

Prevalence - Special Prevalence Measures

Prevention - Cost of

Prevention trials (or prophylactic trials) versus Therapeutic Trials

Preventive Fraction

Probability versus "Odds"?

Prospective and Retrospective Cohort Studies

Prospective Cohort Studies - Disadvantages

Prospective Cohort Study

Prospective Versus Retrospective Cohort Studies

p-Value Function

p-Values (Statistical Significance)

Random Error

Randomization and Control for Confounding

Randomization in Clinical Trials

Randomized Clinical Trials (Intervention Studies)

Rate Differences

Rate Ratios

Ratios, Proportions, and Rates

Recall bias

Regression - Logistic Regression

Regression - Multiple Linear Regression 

Regression - Simple Linear Regression

Regression -  The Independent Effect of Each Variable

Relative Risk: Risk Ratios and Rate Ratios

Residual Confounding

Restriction

Retrospective Cohort Studies - Disadvantages

Retrospective Cohort Study

Reverse Causality

Risk Difference

Risk Differerence - Tips For Interpreting Risk Difference

Risk Factors versus Causes

Risk Ratio

Risk Ratio < 1

Risk, Cumulative Incidence (Incidence Proportion), and Incidence Rate

Risk-Benefit Analysis - Weighing Risk Versus Benefit

Sample Size

Selection Bias

Selection Bias in Case-Control Studies

Selection Bias in Cohort Studies

Selection Bias in Cohort Studies

Simple Linear Regression

Standardized Rates

Stratification - Mantel-Haenszel Pooled Risk Estimates

Stratification - Multiple Strata to Control for Age

Stratification to Control for Two or More Factors

Stratified Analysis - Limitations

Stratified Analysis to Adjust for Confounding

Study Design - Tips on Identifying a Study Design

Study Designs - Which Is Best?

Sufficient-Component Cause Model

Surveillance - Data Sources for Surveillance and Monitoring the Health Status of the US Population

Surveillance - Passive versus Active Surveillance

Surveillance for Infectious Disease

Survival Analysis and Life Tables

Syndromic Surveillance

Time

Time - Variation in Disease Over Time

Types of Intervention Studies

Webs of Causation

Weighing Risk Versus Benefit