Chapter

Log-Linear Model (Poisson Model Applied to Tabular Data)

Steve Selvin

in Epidemiologic Analysis

Published in print August 2001 | ISBN: 9780195146189
Published online September 2009 | e-ISBN: 9780199864720 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780195146189.003.0012
Log-Linear Model (Poisson Model Applied to Tabular Data)

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This chapter examines the influence of vitamin use on the risk of a neural tube birth defect while accounting for possible differences associated with race/ethnicity. Using a loglinear model, the relationship between case/control status and vitamin use appears homogeneous among three race/ethnicity groups. This homogeneity allows a specific and powerful single assessment of the vitamin-risk relationship adjusted for race. Accounting for race/ethnicity, the statistical evaluation of case/control status as a predictor of vitamin use produces a small significance probability, providing substantial evidence of an association.

Keywords: vitamins; neural tube birth defects; race; ethnicity

Chapter.  4922 words.  Illustrated.

Subjects: Public Health and Epidemiology

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