Résumé :
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[BDSP. Notice produite par INIST-CNRS 88R0xrts. Diffusion soumise à autorisation]. In this prospective cohort study, based on 1,505 mother-infant pairs in rural Bangladesh, we evaluated the associations between early-life exposure to arsenic, cadmium, and lead, assessed via concentrations in maternal and child urine, and children's weights and heights up to age 5 years, during the period 2001-2009. Concurrent and prenatal exposures were evaluated using linear regression analysis, while longitudinal exposure was assessed using mixed-effects linear regression. An inverse association was found between children's weight and height, age-adjusted z scores, and growth velocity at age 5 years and concurrent exposure to cadmium and arsenic. In the longitudinal analysis, multivariable-adjusted attributable differences in children's weight at age 5 years were - 0.33 kg (95% confidence interval (CI) : - 0.60, - 0.06) for high (>=95th percentile) arsenic exposure and - 0.57 kg (95% CI : - 0.88, - 0.26) for high cadmium exposure, in comparison with children with the lowest exposure (
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