Confidence intervals for seasonal relative risk with null boundary values

Research output: Contribution to journalArticle

Abstract

In evaluating the relative risk of seasonality, the null value is a boundary value. In this case, tests for the null hypothesis exist, but standard methods for confidence intervals are not appropriate. We provide a method for constructing confidence intervals under the circular normal model. The proposed confidence intervals are valid for all values of the underlying seasonal risk if the model is correct and for the null boundary value of the seasonal risk, regardless of model assumptions and sample size. We apply our method to seasonal suicide data from a recent report.

Original languageEnglish (US)
Pages (from-to)734-737
Number of pages4
JournalEpidemiology
Volume13
Issue number6
DOIs
StatePublished - Nov 1 2002

Keywords

  • Boundary value
  • Confidence interval
  • Seasonality
  • Suicide

ASJC Scopus subject areas

  • Epidemiology

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