Impact of banning smoking in cars with children on exposure to second-hand smoke: a natural experiment in England and Scotland

Anthony A Laverty; Thomas Hone; Eszter P Vamos; Philip E Anyanwu; David Taylor-Robinson; Frank de Vocht; Christopher Millett; Nicholas S Hopkinson

doi:10.1136/thoraxjnl-2019-213998

Impact of banning smoking in cars with children on exposure to second-hand smoke: a natural experiment in England and Scotland

Anthony A Laverty, Thomas Hone, Eszter P Vamos, Philip E Anyanwu, David Taylor-Robinson, Frank de Vocht, Christopher Millett, Nicholas S Hopkinson

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Abstract

England banned smoking in cars carrying children in 2015 and Scotland in 2016. We used survey data from 3 years for both countries (NEngland=3483-6920, NScotland=232-319) to assess effects of the English ban using logistic regression within a difference-in-differences framework. Among children aged 13-15 years, self-reported levels of regular exposure to smoke in cars for Scotland were 3.4% in 2012, 2.2% in 2014 and 1.3% in 2016 and for England 6.3%, 5.9% and 1.6%. The ban in England was associated with a -4.1% (95% CI -4.9% to -3.3%) absolute reduction (72% relative reduction) in exposure to tobacco smoke among children.

Original language	English
Number of pages	3
Journal	Thorax
Early online date	27 Jan 2020
DOIs	https://doi.org/10.1136/thoraxjnl-2019-213998
Publication status	E-pub ahead of print - 27 Jan 2020

Keywords

Smoking
passive exposure
epidemiology
evaluation
natural experiments

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title = "Impact of banning smoking in cars with children on exposure to second-hand smoke: a natural experiment in England and Scotland",

abstract = "England banned smoking in cars carrying children in 2015 and Scotland in 2016. We used survey data from 3 years for both countries (NEngland=3483-6920, NScotland=232-319) to assess effects of the English ban using logistic regression within a difference-in-differences framework. Among children aged 13-15 years, self-reported levels of regular exposure to smoke in cars for Scotland were 3.4% in 2012, 2.2% in 2014 and 1.3% in 2016 and for England 6.3%, 5.9% and 1.6%. The ban in England was associated with a -4.1% (95% CI -4.9% to -3.3%) absolute reduction (72% relative reduction) in exposure to tobacco smoke among children.",

keywords = "Smoking, passive exposure, epidemiology, evaluation, natural experiments",

author = "Laverty, {Anthony A} and Thomas Hone and Vamos, {Eszter P} and Anyanwu, {Philip E} and David Taylor-Robinson and {de Vocht}, Frank and Christopher Millett and Hopkinson, {Nicholas S}",

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day = "27",

doi = "10.1136/thoraxjnl-2019-213998",

language = "English",

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T2 - a natural experiment in England and Scotland

AU - Laverty, Anthony A

AU - Hone, Thomas

AU - Vamos, Eszter P

AU - Anyanwu, Philip E

AU - Taylor-Robinson, David

AU - de Vocht, Frank

AU - Millett, Christopher

AU - Hopkinson, Nicholas S

PY - 2020/1/27

Y1 - 2020/1/27

N2 - England banned smoking in cars carrying children in 2015 and Scotland in 2016. We used survey data from 3 years for both countries (NEngland=3483-6920, NScotland=232-319) to assess effects of the English ban using logistic regression within a difference-in-differences framework. Among children aged 13-15 years, self-reported levels of regular exposure to smoke in cars for Scotland were 3.4% in 2012, 2.2% in 2014 and 1.3% in 2016 and for England 6.3%, 5.9% and 1.6%. The ban in England was associated with a -4.1% (95% CI -4.9% to -3.3%) absolute reduction (72% relative reduction) in exposure to tobacco smoke among children.

AB - England banned smoking in cars carrying children in 2015 and Scotland in 2016. We used survey data from 3 years for both countries (NEngland=3483-6920, NScotland=232-319) to assess effects of the English ban using logistic regression within a difference-in-differences framework. Among children aged 13-15 years, self-reported levels of regular exposure to smoke in cars for Scotland were 3.4% in 2012, 2.2% in 2014 and 1.3% in 2016 and for England 6.3%, 5.9% and 1.6%. The ban in England was associated with a -4.1% (95% CI -4.9% to -3.3%) absolute reduction (72% relative reduction) in exposure to tobacco smoke among children.

KW - Smoking

KW - passive exposure

KW - epidemiology

KW - evaluation

KW - natural experiments

U2 - 10.1136/thoraxjnl-2019-213998

DO - 10.1136/thoraxjnl-2019-213998

M3 - Article (Academic Journal)

C2 - 31988266

JO - Thorax

JF - Thorax

SN - 0040-6376

ER -

Impact of banning smoking in cars with children on exposure to second-hand smoke: a natural experiment in England and Scotland

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