Children's Exposure to Smoking

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Exposure to smoking and the attitudes of other people have, in many studies, been associated with an increase in smoking through childhood and adolescence. Previous studies which have examined the relative influence of parents, siblings and friends on young people smoking do not show the same pattern of results, indicating that parents and siblings who smoke may or may not have an influence above or beyond that of friends. In this study, the extent to which these sources of exposure influence young people is examined. A related hypothesis which is tested in this study is that the amount of exposure to smoking may be a factor which influences young people to smoke independent of the particular source of the influence. The pattern of results suggests that the source of the influence is more important than the extent of influence among friends and family members. In particular, the influence of friends' smoking was evident at ages 9 to 15 years to the exclusion of the parental example of smoking. Parental smokers may lead their children to try smoking but it seems unlikely that this is related to them smoking at a later age. While peer influence may result in smoking, the influence of parents or older people smoking may be becoming a disincentive in this time of changing attitudes to smoking.