Fatores de risco associados à hospitalização por bronquiolite aguda no período pós-neonatal Risk factors associated with hospitalization for bronchiolitis in the post-neonatal period

Objective To investigate the relationship between socioeconomic factors, maternal characteristics, breastfeeding, and hospitalization for bronchiolitis in the postneonatal period. Methods A nested case-control study with a cohort of 5,304 children born in the city of Pelotas,