Comprehensive smoke-free legislation and displacement of smoking into the homes of young children in Hong Kong

ObjectiveTo investigate the effect of comprehensive smoke-free legislation in 2007 on the exposure of children to secondhand smoke (SHS) in Hong Kong.MethodsTwo cross-sectional questionnaire surveys were conducted, before (2006) and after (2008) the implementation of smoke-free legislation, among pr...

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Bibliographic Details
Published in:Tobacco control 2010-04, Vol.19 (2), p.129-133
Main Authors: Ho, Sai Yin, Wang, Man Ping, Lo, Wing Sze, Mak, Kwok Kei, Lai, Hak Kan, Thomas, G Neil, Lam, Tai Hing
Format: Article
Language:English
Subjects:
Bans
Child
Child care
Children
Children & youth
Cigarette smoking
Colleges & universities
Cross-Sectional Studies
Environmental tobacco smoke
Exposure
Families & family life
Female
Hair - chemistry
Hong Kong - epidemiology
Humans
Legislation
Logistic Models
Male
Nicotine - chemistry
Nicotine - metabolism
Nicotinic Agonists - chemistry
Nicotinic Agonists - metabolism
Outdoor air quality
Parents
Parks & recreation areas
Passive smoking
prevalence
Public housing
Public space
Public transportation
Regression analysis
Respiratory symptoms
Respiratory Tract Diseases - epidemiology
Restaurants
School age children
School surveys
Schools
Secondhand smoke
Shopping centers
Smoke
Smoking
Smoking - epidemiology
Smoking - legislation & jurisprudence
Smoking cessation
Students
Surveys and Questionnaires
Tobacco smoke
Tobacco Smoke Pollution - legislation & jurisprudence
Tobacco Smoke Pollution - statistics & numerical data
Tobacco smoking
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Summary:ObjectiveTo investigate the effect of comprehensive smoke-free legislation in 2007 on the exposure of children to secondhand smoke (SHS) in Hong Kong.MethodsTwo cross-sectional questionnaire surveys were conducted, before (2006) and after (2008) the implementation of smoke-free legislation, among primary 2–4 students (equivalent to US grades 2–4) from 19 and 24 randomly selected schools, respectively. Adjusted ORs for SHS exposure at home and outside home post-legislation compared with pre-legislation were calculated. The strength of the association between SHS exposure and respiratory symptoms in each survey was used as an indirect indicator of the intensity of exposure.ResultsAmong 3243 and 4965 never smoking students in the 2006 and 2008 surveys, the prevalence of SHS exposure in the past 7 days increased both at home (from 10.2% to 14.1%) and outside home (from 19.8% to 27.2%). Post-legislation, students were 56% more likely (p
ISSN:0964-4563
1468-3318
DOI:10.1136/tc.2009.032003