Chapter

Nonpar ametric Regression Analysis

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/9780195146189.003.0016
Nonpar ametric Regression Analysis

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This chapter describes the influences on a newborn infant's birth weight of maternal prepregnancy weight and height in women who gained abnormally small amounts of weight during their pregnancies. Heavier mothers tend to have heavier infants. This relationship is close to linear except for mothers weighing more than about 80 kilograms. For these heavier mothers, the impact on their infant's birth weight is considerably less, although this observation is based on only a few observations (i.e., large confidence intervals). Unlike maternal weight, maternal height shows no evidence of having an independent influence on an infant's birth weight. Taking these two results into account implies that the size of a mother is not an important factor in the weight of the child; rather, the mother's weight regardless of her height is a major predictor of an infant's birth weight.

Keywords: maternal weight; maternal height; infant birth weight; maternal weight gain; pregnancy women; pregnancy

Chapter.  4131 words.  Illustrated.

Subjects: Public Health and Epidemiology

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