Exposure to environmental tobacco smoke and respiratory tract infections in pre-school children – a cross-sectional study in Poland

Dorota Emilia Bielska 1, Donata Kurpas 2, Aneta Nitsch-Osuch 3, Ewa Gomółka 4, Elżbieta Ołdak 5, Sławomir Chlabicz 1, Anna Owłasiuk 1
1 - Department of Family Medicine and Community Nursing, Medical University, Bialystok, Poland
2 - Department of Family Medicine, Medical University, Wroclaw, Poland
3 - Family Medicine Department, Medical University, Warsaw, Poland
4 - Department of Clinical Toxicology and Environmental Disease, Jagiellonian University Collegium Medicum, Cracow, Poland
5 - Department of Pediatric Infectious Diseases, Medical University, Bialystok, Poland
Ann Agric Environ Med
2015; 22 (3):
ICID: 1167728
Article type: Original article
Introduction and objective. Knowledge of the harmful influence of environmental tobacco smoke (ETS) has a positive impact on changing social behaviours worldwide. In many homes smoking is totally prohibited; in some others, partial limitations of tobacco consumption have been introduced.
Objective. To study the correlation between the adopted rules of tobacco use in homes of 3-year-olds, and the kind and frequency of acute respiratory system infections within a 6-month period of attending pre-schools.
Materials and methods. The study was performed among children attending municipal pre-schools in Białystok, Poland. The data was collected by anonymous questionnaires completed by the parents of 302 children aged 3 years chosen randomly from 1,200 children attending 51 pre-schools. The exposure of children to tobacco smoke was measured by determining cotinine to creatinine ratio (CCR) in urine.
Results. In the 150 families of children who were surveyed, 210 were smokers. Every day, the smokers consisted of fathers (37.3%) and mothers (23.6%). The 3-year-old children were divided into 3 groups according to smoking habits in their homes: 28.5% of the children under examination came from homes where tobacco smoking was forbidden (mean CCR – 15.21ng/mg, SD=11.86), 26.2% came from homes where tobacco was smoked in separate rooms (mean CCR – 65.75 ng/ml, SD=81.51), 45.4% lived in homes where no rules connected with smoking had been established (mean CCR – 61.75 ng/ml, SD= 70.29). During the analyzed period of 6 months, 85% of the children had at least 1 respiratory tract infection (60% – upper, 16.9% – lower, 16.5% – upper and lower, 7.1% – otitis media).
Conclusions. The majority of the 3-year-old children who had lower respiratory tract infections required antibiotics and hospitalization. Living in a home where no tobacco rules were established may cause an increase of respiratory tract infections.
DOI: 10.5604/12321966.1167728
PMID 26403128 - click here to show this article in PubMed

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