Chapter

Poisson Regression

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/9780195146189.003.0011
Poisson Regression

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This chapter presents a two-part study. The first part describes and compares the incidence of brain cancer in males and females, adjusted for the differences in the age distributions in the populations at risk. The second study address the question: Do African-American newborn infants experience higher perinatal mortality than white infants after accounting for their generally lower birth weights? A variety of estimates of the common rate ratio reflecting differences in the risk of brain cancer between males and females give almost identical values, a rate ratio in the neighborhood of 1.5. That is, the incidence rate of brain cancer is 1.5 times greater in males compared to females after adjusting for differences in age distributions. Adjusting perinatal mortality rates for differences in birth weight distributions shows that African-American infants have lower birth weight-specific mortality than white infants. A direct comparison of thirty-five perinatal mortality rates within specific 100 gram birth weight categories provides substantial evidence of a lower mortality rate among African-American newborn infants.

Keywords: brain cancer; cancer incidence; gender differences; African-American infants; perinatal mortality; white infants; low birth weight

Chapter.  6954 words.  Illustrated.

Subjects: Public Health and Epidemiology

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