TY - JOUR
T1 - Do provincial policies banning smoking in cars when children are present impact youth exposure to secondhand smoke in cars?
AU - Elton-Marshall, Tara
AU - Leatherdale, Scott T.
AU - Driezen, Pete
AU - Azagba, Sunday
AU - Burkhalter, Robin
N1 - Funding Information:
The authors wish to thank Sue Steinback for her assistance with paper formatting. The Youth Smoking Survey is a product of the pan-Canadian capacity building project funded through a contribution agreement between Health Canada and the Propel Centre for Population Health Impact at the University of Waterloo from 2004 to 2007 and a contract between Health Canada and the Propel Centre for Population Health Impact from 2008 to 2013. The Propel Centre implements YSS with the assistance of a consortium that includes Canadian researchers from all provinces with expertise in youth health and connections with education and health sectors in their province. The views expressed herein do not necessarily represent the views of Health Canada. Dr. Leatherdale is a Canadian Institutes of Health Research (CIHR)/Public Health Agency of Canada (PHAC) Chair in Applied Public Health.
Publisher Copyright:
© 2015 Elsevier Inc.
PY - 2015/9/1
Y1 - 2015/9/1
N2 - Objective: To examine youth exposure to smoking in cars following 7 provincial bans on smoking in cars with children in Canada. Method: Repeated cross-sectional data from the 2004-2012 Youth Smoking Survey (n = 91,800) were examined. Using a quasi-experimental design, contrasts of the interaction of survey year and province included in the logistic regression analyses were used to test whether exposure significantly declined pre-post implementation of a ban on smoking in cars relative to control provinces not implementing a ban. Results: Exposure across all provinces declined from 26.5% in 2004 to 18.2% of youth in 2012. Exposure declined significantly from pre to post implementation of a ban on smoking in cars with children in Ontario at time 1 post ban (Pre-Ban = 20.4% T1post = 10.3%, OR = 0.45), time 2 post ban (12.1%, OR = 0.61) and time 3 post ban (11.6%, OR = 0.58) relative to control provinces that did not implement a ban. In British Columbia exposure to smoking in cars declined significantly at pre-post ban time 3 compared to the control group (Pre-Ban = 21.2%, T3post = 9.6%, OR = 0.51). No other provinces had a significant change in exposure pre-post ban relative to the control provinces. Interpretation: Although rates declined, significant differences were only found in Ontario relative to control provinces in the immediate and long term.
AB - Objective: To examine youth exposure to smoking in cars following 7 provincial bans on smoking in cars with children in Canada. Method: Repeated cross-sectional data from the 2004-2012 Youth Smoking Survey (n = 91,800) were examined. Using a quasi-experimental design, contrasts of the interaction of survey year and province included in the logistic regression analyses were used to test whether exposure significantly declined pre-post implementation of a ban on smoking in cars relative to control provinces not implementing a ban. Results: Exposure across all provinces declined from 26.5% in 2004 to 18.2% of youth in 2012. Exposure declined significantly from pre to post implementation of a ban on smoking in cars with children in Ontario at time 1 post ban (Pre-Ban = 20.4% T1post = 10.3%, OR = 0.45), time 2 post ban (12.1%, OR = 0.61) and time 3 post ban (11.6%, OR = 0.58) relative to control provinces that did not implement a ban. In British Columbia exposure to smoking in cars declined significantly at pre-post ban time 3 compared to the control group (Pre-Ban = 21.2%, T3post = 9.6%, OR = 0.51). No other provinces had a significant change in exposure pre-post ban relative to the control provinces. Interpretation: Although rates declined, significant differences were only found in Ontario relative to control provinces in the immediate and long term.
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U2 - 10.1016/j.ypmed.2015.07.007
DO - 10.1016/j.ypmed.2015.07.007
M3 - Article
C2 - 26190367
AN - SCOPUS:84938064977
VL - 78
SP - 59
EP - 64
JO - Preventive Medicine
JF - Preventive Medicine
SN - 0091-7435
ER -