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The concept of risk

Bob Heyman

in Risk, Safety and Clinical Practice: Health care through the lens of risk

Published in print:
2009
Published Online:
February 2010
ISBN:
9780198569008
eISBN:
9780191717499
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198569008.003.01
Subject:
Public Health and Epidemiology, Public Health, Epidemiology

This chapter reviews the definition of risk, and locates the concept in a family of related terms, including probability, danger, hazard, safety, and vulnerability. Risk-thinking is viewed as one ... More


Measures Of Risk: Rates And Probabilities

Steve Selvin

in Statistical Analysis of Epidemiologic Data

Published in print:
2004
Published Online:
September 2009
ISBN:
9780195172805
eISBN:
9780199865697
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195172805.003.01
Subject:
Public Health and Epidemiology, Public Health, Epidemiology

This chapter discusses rates and probabilities in epidemiological analysis. A rate is defined as an instantaneous measure of change per unit time. A rate calculated from epidemiologic data reflects ... More


The 2 × k Table and the 2 × 2 × 2 Table

Steve Selvin

in Statistical Analysis of Epidemiologic Data

Published in print:
2004
Published Online:
September 2009
ISBN:
9780195172805
eISBN:
9780199865697
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195172805.003.06
Subject:
Public Health and Epidemiology, Public Health, Epidemiology

This chapter discusses the 2 x k and 2 x 2 x 2 tables, which are fundamental statistical tools use to analyze epidemiologic data. Topics covered include the 2 x k contingency table, independence and ... More


Estimating Probabilities

Diana B. Petitti

in Meta-Analysis, Decision Analysis, and Cost-Effectiveness Analysis

Published in print:
1999
Published Online:
September 2009
ISBN:
9780195133646
eISBN:
9780199863761
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195133646.003.10
Subject:
Public Health and Epidemiology, Public Health, Epidemiology

This chapter describes how to select probability estimates for a decision analysis and how to justify the choice of probabilities. Because decision analytic models are often the basis for ... More


Case-Control Studies

Noel S. Weiss

in Exercises in Epidemiology: Applying Principles and Methods

Published in print:
2016
Published Online:
December 2016
ISBN:
9780190651510
eISBN:
9780190651541
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780190651510.003.0005
Subject:
Public Health and Epidemiology, Epidemiology

This chapter introduces the concept of case control studies in epidemiology. Students can practice what they have learned in class with 23 questions based on real-world examples, and then use the ... More


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