期刊
PUBLIC HEALTH NUTRITION
卷 7, 期 5, 页码 621-628出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1079/PHN2003579
关键词
postpartum weight retention; obesity; gestational weight gain; hierarchical models
Objective: To identify factors potentially associated with weight retention measured 9 months after childbirth. Design: Prospective study with four follow-up waves in time (0.5, 2, 6 and 9 months postpartum). Setting: Rio de Janeiro, Brazil. Subjects and methods: Two hundred and sixty-six Brazilian women of childbearing age. Analysis was based on hierarchical logistic regression. The dependent variable was weight retention and was defined as the difference between weight at 9 months postpartum and pre-pregnancy weight, with a dichotomised cut-off at 7.5 kg. Covariates included demographic and socio-economic data, obstetric history, anthropometric data, and data on the infant. These data were grouped in blocks and ordered according to their influence on the dependent variable. Results: Of the women studied, 19.2% presented weight retention values g7.5 kg. According to the logistic regression analysis, the following variables remained associated with weight retention greater than or equal to7.5 kg: total family income, difficulty or inability to read a letter, age category greater than or equal to30 years, age at first childbirth <23 years, gestational weight gain g12 kg, body fat at baseline greater than or equal to30% and infant birth weight <3500 g. Infant hospitalisation was only marginally significant. Conclusions: Determinant factors identified by the analysis highlight the need for nutritional intervention policies during pregnancy and in the first months postpartum as a way of minimising obesity and the diseases resulting from it.
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