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  1. Postnatal growth patterns of full-term Low birth weight infants in Northeast Brazil are related to socioeconomic status.

    Article - En anglais

    Low birth weight has many adverse consequences, some of which might be ameliorated if there is good postnatal compensatory, or catch-up, growth.

    We monitored growth, morbidity and feeding patterns in a cohort of 133 full-term, low birth weight infants from poor families in Pernambuco, Brazil, and investigated the relative contributions of a number of socioeconomic, maternal and infant variables to postnatal growth.

    Growth was measured at 4,8,17,26 and 52 wk of age.

    Differential growth patterns were most marked during the first 8 wk of life, and the gains in z-score during this interval were strongly associated with attained z-scores at 12 months (r=0.62 for weight and 0.64 for length).

    In a multivariate model, socioeconomic variables explained 21.4% of the variation in maximum gain in weight-for-age z-score achieved during the 12-month period, maternal weight explained a further 4.4%, infant birth length 4.7% and neonatal illness 5.4%. For maximum gain in length-for-age z-score, socioeconomic variables accounted for 24.4% of the variance, maternal height 4.9%, maternal smoking 3.3% and neonatal illness 3.1%. We surmise that the early differential growth patterns are set in utero and are indirectly affected prenatally by socioeconomic status.

    Mots-clés Pascal : Croissance, Poids corporel, Poids naissance, Alimentation, Morbidité, Statut socioéconomique, Brésil, Amérique du Sud, Amérique, Enfant, Homme

    Mots-clés Pascal anglais : Growth, Body weight, Birth weight, Feeding, Morbidity, Socioeconomic status, Brazil, South America, America, Child, Human

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 97-0529205

    Code Inist : 002B30A01A2. Création : 13/02/1998.