Respiratory Symptoms in School Children and the Role of Passive Smoking

概要

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A study of respiratory symptoms in 1,937 school children aged 6-11 years was carried out in Suginami, Tokyo in 1976 and the response rate was 99.5%. The prevalence rate for symptoms was associated with their families' smoking habits and their residential conditions; the prevalence rate was the highest among heavy-smoker families living in the area along a main highway (within 50 meters), and the lowest in non-smoker families regardless of their residential areas. Furthermore, if they lived in an area well away from a main highway (over 100 meters), the prevalence rate was also the lowest regardless of the families' smoking habits. Relative risk in the highest group was 4.0. Previous studies have already suggested that there was a relationship between symptoms and passive smoking while some have insisted that there was no relationship between them. This study may be useful in solving such contradictory problems and in establishing the role of passive smoking in respiratory sysmptoms.
東海大学の論文