Confidence Intervals for Adjusted Proportions Using Logistic Regression

noodchanath kongchouy, Uraiwan Sampantarak


This paper presents confidence intervals for adjusted proportions using logistic regression with weighted sum contrasts. The methods are applied to data from two studies, (1) imposex percentages among female gastropods at different locations in the Gulf of Thailand adjusted for different species, and (2) complication-based neonatal morbidity risk for births at a major hospital adjusted for demographic factors.

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Modern Applied Science   ISSN 1913-1844 (Print)   ISSN 1913-1852 (Online)

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