Desenvolvimento neuropsicomotor aos 12 meses de idade em uma coorte de base populacional no Sul do Brasil: diferenciais conforme peso ao nascer e renda familiar

摘要

This study evaluated all children born in 1993 in hospitals from Pelotas, Rio Grande do Sul, Brazil. Besides a perinatal study, a sample of 20% (1400 children) was followed through home visits during the first year. During these visits the nutritional status was assessed and a screening test for development (Denver II Test) was performed. Thirty-four per cent of the children assessed at 12 months failed this screening. Failure was associated with socioeconomic status, with low-income children presenting twice the risk of those from more affluent families (p