Chapter 14. Sample Size and Power

  1. Stephen C. Newman

Published Online: 31 MAR 2003

DOI: 10.1002/0471272612.ch14

Book Title

Biostatistical Methods in Epidemiology

Biostatistical Methods in Epidemiology

Additional Information

How to Cite

Newman, S. C. (2003) Sample Size and Power, in Biostatistical Methods in Epidemiology, John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/0471272612.ch14

Publication History

  1. Published Online: 31 MAR 2003
  2. Published Print: 11 JAN 2002

Book Series:

  1. Wiley Series in Probability and Statistics

Book Series Editors:

  1. David J. Balding,
  2. Peter Bloomfield,
  3. Noel A.C. Cressie,
  4. Nicholas I. Fisher,
  5. Iain M. Johnstone,
  6. J.B. Kadane,
  7. Louise M. Ryan,
  8. David W. Scott,
  9. Adrian F.M. Smith,
  10. Jozef L. Teugels

ISBN Information

Print ISBN: 9780471369141

Online ISBN: 9780471272618

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CHAPTER TOOLS

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Keywords:

  • sample size;
  • power

Summary

This chapter discusses methods of sample size calculation for prevalence, cohort, and case-control studies. A brief discussion of statistical power is also presented.

The section and subsection headings of the chapter are as follows:

  • Sample Size for a Prevalence Study

  • Sample Size for a Closed Cohort Study

    • Risk Difference

    • Risk Ratio

    • Odds Ratio

  • Sample Size for an Open Cohort Study

    • Standardized Mortality Ratio

    • Hazard Ratio

  • Sample Size for an Incidence Case-Control Study

    • Unmatched Case-Control Study

    • Matched-Pairs Case-Control Study

    • Controlling for Confounding

  • Power

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