Health effects of secondhand smoke on children under 5 years of life

Background. The high prevalence of smoking among adults suggests the almost inevitable effects second-hand tobacco smoke (SHS) on children and who do not smoke. negative SHS are most pronounced in young children, especially families where mother is a smoker. aim was to assess prenatal postnatal exposure under five years life. Materials methods. survey 520 with conducted using online self-reported questionnaire. Families extremely very preterm inherited diseases bronchopulmonary system were excluded from analysis. During analysis, all (n = 414; 55.07 % boys 44.93 girls, mean age — 36.38 ± 7.19 months) divided according exposure. 186 exposed included main group, 228 without control group. Results. 22.46 prenatally SHS. Maternal during pregnancy significantly increased risk intrauterine growth retardation (IUGR) (OR 2.43 [95% CI 1.07–5.52]). Postnatal present 56.52 children. These more likely be formula-fed 1.75 1.15–2.65]). frequency formula feeding by mothers’ use both traditional products electronic nicotine delivery systems 2.10 2.99, respectively). Exclusively maternal family frequent acute respiratory viral infections (ARI) 3 old than 1.5 times 1.60 1.01–2.60]). Household probability bronchial obstruction (BO) ARI child 1.61 times, while exclusively 2.88 times. An 3.25 1.68–6.28]) also subgroup whose mothers smoked devices. systems, other members, has affected developing BO disease. Conclusions. studied cohort proven factor for IUGR. statistically affect incidence likelihood first life, regardless type product. This greatest smokers.