Restrictions on smoking at home and urinary cotinine levels among children with asthma

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dc.contributor.authorWakefield, M.
dc.contributor.authorBanham, D.
dc.contributor.authorMartin, A.
dc.contributor.authorRuffin, R.
dc.contributor.authorMcCaul, K.
dc.contributor.authorBadcock, N.
dc.date.issued2000
dc.descriptionOctober 2000
dc.description.abstract<h4>Objectives</h4>The purpose of this study was to determine the extent to which various levels of restrictions on smoking in the home may be associated with children's exposure to environmental tobacco smoke (ETS).<h4>Methods</h4>The methodology consisted of a cross-sectional survey involving 249 children with asthma aged 1 to 11 attending hospital outpatient clinics, with at least one parent who smoked, linked to the child's urinary cotinine to creatinine ratios (CCR).<h4>Results</h4>After adjustment for child's age, mother's smoking status, and total parental daily cigarette consumption, a total ban was associated with significantly lower urinary CCR levels (7.6 nmol/mmol) than bans with exceptions or limited smoking in the home. Where exceptions to bans were made (14.9 nmol/mmol), children's urinary CCR levels were no different from homes in which smoking was allowed in rooms the child rarely frequented (14.1 nmol/mmol). These two intermediate levels of restriction were in turn associated with significantly lower CCR levels than unrestricted smoking in the home (26.0 nmol/mmol).<h4>Conclusions</h4>Making exceptions to bans on smoking at home measurably undermines the protective effect of a ban. However, making some exceptions to a ban and limiting smoking to rooms where the child rarely goes may result in reduced exposure to ETS, compared with unrestricted smoking.
dc.description.statementofresponsibilityMelanie Wakefield, David Banham, James Martin, Richard Ruffin, Kieran McCaul and Neil Badcock
dc.identifier.citationAmerican Journal of Preventive Medicine, 2000; 19(3):188-192
dc.identifier.doi10.1016/S0749-3797(00)00197-5
dc.identifier.issn0749-3797
dc.identifier.issn1873-2607
dc.identifier.orcidMartin, A. [0000-0002-1606-5461]
dc.identifier.urihttp://hdl.handle.net/2440/9799
dc.language.isoen
dc.publisherElsevier Science Inc
dc.relation.granthttp://purl.org/au-research/grants/nhmrc/980608
dc.rightsCopyright © 2000 American Journal of Preventive Medicine.
dc.source.urihttps://doi.org/10.1016/s0749-3797(00)00197-5
dc.subjectasthma
dc.subjectchild
dc.subjectcotinine
dc.subjectfamily relations
dc.subjecttobacco smoke pollution
dc.subjectsmoking
dc.titleRestrictions on smoking at home and urinary cotinine levels among children with asthma
dc.typeJournal article
pubs.publication-statusPublished

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