“…Most studies developed in Brazil included patients assisted on neonatal units of university hospitals that belong to our national public health system (Sistema Único de Saúde, SUS, in Portuguese), and most of its users are from lower socioeconomic classes. In the present review, the mean age of the children when the follow-up ended was of approximately 30 months of life, and only 5 studies 9,16,17,27,32 had longer follow-ups (of up to 8 years of age). In four studies, 15,21,22,32 socioeconomic-educational variables (environmental aspects, literacy of the mothers, and/or income) and poorer outcomes on the motor and cognitive measurements were significantly associated with an unfavorable home environment, illiteracy, and low income.…”