Keyphrases
Secondhand Smoke Exposure
100%
Smoke-free Policy
100%
School's Exposure
100%
Quasi-experimental Analysis
100%
Secondhand Smoke
50%
Canada
33%
Tobacco Control
33%
Free Schools
33%
Nationally Representative Sample
16%
High School
16%
Urban Areas
16%
Tobacco Smoke
16%
Smokers
16%
Non-smokers
16%
Tobacco Use
16%
High Probability
16%
Prevention Efforts
16%
Health Authorities
16%
Control Strategy
16%
Enforcement Strategies
16%
Exposure to Tobacco Smoke
16%
Quasi-experimental Design
16%
Monitoring Survey
16%
School-aged Youth
16%
Health School
16%
Tobacco Use Initiation
16%
School Grounds
16%
Nursing and Health Professions
Tobacco Control
100%
Tobacco Smoke
100%
Control Strategy
50%
Economics, Econometrics and Finance
School Policy
100%
Metropolitan Area
25%