Primary Care Healthcare Professionals’ Knowledge, Attitudes, and Practices Towards Promoting the Reduction of Children’s Secondhand Smoke Exposure: A Mixed-Methods Review and Synthesis

Secondhand smoke exposure (SHSe) leads to increased mortality and morbidity. Primary care healthcare professionals (HCPs) are well placed to support patients to reduce SHSe. This paper explores HCPs': (1) knowledge around SHSe; (2) current practices to promote SHSe reduction; (3) beliefs and experiences regarding delivering interventions to reduce SHSe; and (4) identified factors that influence the delivery of SHSe-related interventions.