Question

Provide a 95% Cl for the OR estimate in Problem 13.10.

Name: Problem 11, Chapter 13: Fundamentals of Biostatistics
Uploaded: 2020-05-29T17:41:21-08:00
Duration: 37 s
Channel: Melissa Lupinacci
Description: Provide a 95% Cl for the OR estimate in Problem 13.10.

   Provide a 95% Cl for the OR estimate in Problem 13.10.

Fundamentals of Biostatistics

Bernard Rosner 8th Edition

Chapter 13, Problem 11

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Solved by Expert Melissa Lupinacci

05/29/2020

Step 1

10, we are given the following information: - The odds ratio (OR) estimate is 1.5 - The standard error (SE) of the natural logarithm of the OR is 0.2 Show more…

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Provide a 95% Cl for the OR estimate in Problem 13.10.

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Key Concepts

Odds Ratio (OR)

An odds ratio is a measure of association that quantifies the odds of an outcome occurring in one group compared to another. It is commonly used in studies, such as case-control studies, to indicate the strength of the relationship between an exposure and an outcome.

Confidence Interval (CI)

A confidence interval provides a range of values that is believed, with a certain level of confidence (typically 95%), to contain the true value of the parameter being estimated. It reflects the precision of the estimate and helps in determining the statistical significance of the association.

Log Transformation in Confidence Intervals

Because the distribution of the odds ratio can be skewed, a logarithmic transformation is applied to stabilize the variance when constructing confidence intervals. After calculating the interval on the log scale using the standard error, the limits are exponentiated to obtain the interval on the original odds ratio scale.

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