Prenatal and passive smoke exposure and incidence of asthma and wheeze: systematic review and meta-analysis
OBJECTIVES: Exposure to passive smoke is a common and avoidable risk factor for wheeze
and asthma in children. Substantial growth in the prospective cohort study evidence base
provides an opportunity to generate new and more detailed estimates of the magnitude of
the effect. A systematic review and meta-analysis was conducted to provide estimates of the
prospective effect of smoking by parents or household members on the risk of wheeze and
asthma at different stages of childhood. METHODS: We systematically searched Medline …
and asthma in children. Substantial growth in the prospective cohort study evidence base
provides an opportunity to generate new and more detailed estimates of the magnitude of
the effect. A systematic review and meta-analysis was conducted to provide estimates of the
prospective effect of smoking by parents or household members on the risk of wheeze and
asthma at different stages of childhood. METHODS: We systematically searched Medline …