Smokers still underestimate the risks posed by secondhand smoke: a repeated cross-sectional study

Area of Science:

• Public Health
• Epidemiology
• Risk Perception Studies

Background:

• Limited understanding of secondhand smoke (SHS) risk perception and its temporal changes.
• Investigating demographic and smoking status influences on perceived SHS health risks.

Purpose of the Study:

• To examine changes in the Irish general population's risk perception of SHS exposure over time.
• To assess the impact of smoking status and demographics on perceived SHS risks.

Main Methods:

• Utilized two repeated cross-sectional surveys of Irish adults (1999, 2006) and a 2006 survey of General Practitioners.
• Assessed risk perception for asthma, lung cancer, heart disease, bronchitis, diabetes, and childhood ear infections from SHS exposure.

Main Results:

• Significant increases in SHS risk perception for asthma, lung cancer, heart disease, and bronchitis from 1999 to 2006.
• Perception of SHS risk for childhood ear infections remained low (<50%) in both years.
• Smokers consistently perceived lower risks than nonsmokers, though this gap decreased over time.

Conclusions:

• Risk perception of SHS exposure has improved, with a reduced perception gap between smokers and nonsmokers.
• Highlights a significant lack of public awareness regarding the risks of SHS exposure to children.