Fig. 1From: Prenatal tobacco smoke exposure increases hospitalizations for bronchiolitis in infantsCrude and Adjusted Hazard Ratios (HRs) for Prenatal and Postnatal Tobacco Smoke Exposure for bronchiolitis Hospitalization in the First Year of Life. Adjusted for mother’s age (y), parents’ educational level, wGA, prenatal risk conditions, neonatal risk conditions, exposure to epidemic season, breastfeeding, siblings, crowded living, day care attendanceBack to article page