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  • Title: Parent reported home smoking bans and toddler (18-30 month) smoke exposure: a cross-sectional survey.
    Author: Spencer N, Blackburn C, Bonas S, Coe C, Dolan A.
    Journal: Arch Dis Child; 2005 Jul; 90(7):670-4. PubMed ID: 15970606.
    Abstract:
    AIMS: To study the relation between the use of parent reported home smoking bans and smoke exposure among children aged 18-30 months. METHODS: A total of 309 smoking households with children aged 18-30 months, who were part of the Coventry Cohort study, consented to participate in this cross-sectional survey. RESULTS: Although parents in almost 88% of smoking households reported using harm reduction strategies to protect their toddlers from smoke exposure, only 13.9% reported smoking bans in the house. Mean log urinary cotinine:creatinine ratio was significantly lower for those children whose parents reported no smoking in the house (1.11, 95% CI 0.64 to 1.49) compared with none/less strict strategies (1.87, 95% CI 1.64 to 2.10). In linear regression models fitted on log cotinine:creatinine ratio, no smoking in the house was independently associated with a significant reduction in cotinine:creatinine ratio (B = -0.55, 95% CI -0.89 to -0.20) after adjusting for mother's and partner's average daily cigarette consumption, housing tenure, and overcrowding. The final model accounted for 44.3% of the variance. CONCLUSIONS: Not smoking in the house was associated with a reduction in mean urinary cotinine:creatinine ratio in children aged 18-30 months; the relation persisted after adjustment for levels of mother's and partner's daily cigarette consumption and sociodemographic factors. Results suggest that home smoking bans in this age group have a small but significant effect on smoke exposure independent of levels of parental tobacco consumption.
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