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Effect of strategies to reduce exposure of infants to environmental tobacco smoke in the home : cross sectional survey

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Blackburn, Clare, 1957-, Spencer, Nick, 1943-, Bonas, Sheila, Coe, Christine, Dolan, Alan and Moy, Rob. (2003) Effect of strategies to reduce exposure of infants to environmental tobacco smoke in the home : cross sectional survey. BMJ, Vol.327 (No.7409). ISSN 0959-535X

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Official URL: http://dx.doi.org/10.1136/bmj.327.7409.257

Abstract

Objective To examine parents' reported knowledge and use of harm reduction strategies to protect their infants from exposure to tobacco smoke in the home, and the relation between reported use of strategies and urinary cotinine to creatinine ratios in the infants. Design Cross sectional survey. Settings Coventry and Birmingham. Main outcome measures Parents’ reported knowledge and use of harm reduction strategies and urinary cotinine to creatinine ratios in their infants. Participants 314 smoking households with infants. Results 86% of parents (264/307) believed that environmental tobacco smoke is harmful, 90% (281/314) believed that infants can be protected from it in the home, and 10% (32/314) were either unaware of measures or reported using none. 65% of parents (205/314) reported using two or more measures, but only 18% (58/314) reported not allowing smoking in the home. No difference was found in mean log e transformed urinary cotinine to creatinine ratio in infants from households that used no measures compared with households that used less strict measures. Mean log cotinine to creatinine ratios were significantly different in households banning smoking in the home compared with those using less strict or no measures. Banning smoking in the home was independently associated with a significant reduction in urinary cotinine to creatinine ratio by a factor of 2.6 (1.6 to 4.2) after adjustment for average household cigarette consumption, tenure, and overcrowding. Conclusions Less than a fifth of parents in smoking households ban smoking in the home. Banning smoking was associated with a small but significant reduction in urinary cotinine to creatinine ratio in infants, whereas less strict measures compared with no measures had no effect on the infants’ exposure to environmental tobacco smoke.

Item Type:	Journal Article
Subjects:	H Social Sciences > HV Social pathology. Social and public welfare R Medicine > RA Public aspects of medicine
Divisions:	Faculty of Social Sciences > School of Health and Social Studies
Library of Congress Subject Headings (LCSH):	Passive smoking in infants, Smoke prevention, Nonsmoking areas
Journal or Publication Title:	BMJ
Publisher:	BMJ Group
ISSN:	0959-535X
Date:	2 August 2003
Volume:	Vol.327
Number:	No.7409
Identification Number:	10.1136/bmj.327.7409.257
Status:	Peer Reviewed
Access rights to Published version:	Open Access
Funder:	Foundation for the Study of Infant Deaths (Great Britain)
Grant number:	266 (FSID)
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URI:	http://wrap.warwick.ac.uk/id/eprint/4302