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Second-hand smoke exposure--who's at risk?
1Health Statistics Division at Statistics Canada, Ottawa, Ontario K1A 0T6. Claudio.Perez@statcan.ca
Health Reports
|December 8, 2004
Summary
In 2003, 33% of Canadians were exposed to second-hand smoke (SHS). Exposure was higher for men and young adults, with significant regional differences across Canada.
Area of Science:
- Public Health
- Environmental Health
- Epidemiology
Background:
- Second-hand smoke (SHS) exposure remains a significant public health concern.
- Understanding SHS exposure patterns is crucial for targeted interventions.
- Previous studies have highlighted varying exposure levels, but comprehensive data by demographics and geography is needed.
Purpose of the Study:
- To examine second-hand smoke (SHS) exposure in various settings in 2003.
- To analyze SHS exposure by age and sex.
- To compare SHS exposure indicators across Canadian provinces and health regions.
Main Methods:
- Utilized data from the 2000/01 and 2003 Canadian Community Health Survey.
- Calculated SHS exposure rates for non-smokers (aged 12+) by sex, age, and location.
- Examined workplace SHS exposure for employed non-smokers (aged 15+).
Main Results:
- In 2003, 33% of non-smokers reported regular SHS exposure.
- Exposure risk was highest in public spaces, with men experiencing higher rates than women across all settings.
- Exposure varied by age, peaking in young adulthood, and younger individuals faced higher risks at home and work. Significant provincial and regional disparities were observed.
Conclusions:
- SHS exposure in Canada in 2003 was widespread, affecting one-third of non-smokers.
- Demographic factors (sex, age) and geographic location significantly influenced SHS exposure levels.
- Substantial disparities in exposure highlight the need for tailored public health strategies to reduce SHS burden across different regions and populations.