Chapter

Odds Ratio and Relative Risk

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/9780195146189.003.0002
Odds Ratio and Relative Risk

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This chapter presents a two-part study. The first part examines the relationship between exposure to maternal cigarette smoking during pregnancy and the risk of a low birth weight infant among four race/ethnicity groups. The second part describes the association between the risk of a coronary event and a binary classification of behavior type (labeled type A and type B) while accounting for the influence of differences in body weight. Maternal cigarette smoking is strongly associated with the likelihood of a low birth weight newborn infant, and the risk is similar regardless of the mother's race/ethnicity (white, African-American, Hispanic, or Asian). The analysis of the WCGS data indicates a strong association between a person's behavior and the risk of a CHD event. The relative risk for a type A versus a type B individual, accounting for the confounding influence of body weight, is 2.145 (95% CI: 1.658, 2.775).

Keywords: maternal cigarette smoking; pregnancy; low birth weight; infants; coronary event; heart disease

Chapter.  7184 words.  Illustrated.

Subjects: Public Health and Epidemiology

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