Details Method Results Comments Smoking restriction in cars, workplaces, schools and other public places Author, year Data sources General Internal population validity Galan 2012 Surveillance impact System of The Risk Factors smokers, Age (years) associated 50.6% had questionnaire 15-16 with smoked on was filled out school in the Setting diseases premises classroom in targeting the during the last the presence 79 secondary schools, Madrid, adolescent thirty days with of previously population in significant trained staff. Spain the fourth year variability (0% Smoking of compulsory to 100%) variable Study design secondary between previously Cross-sectional education in schools validated but study the Madrid potential for region (15–16 response Impact by SES Objective years), bias. Some variable subgroups To evaluate the with are not relationship of school-level sufficiently contextual Participant and powered. factors with selection variables: SES smoking on Two-stage a lower measured by school premises cluster probability of census tracts sampling with smoking on of the school SES variables stratification in school rather than used the selection premises was the location of of schools found among School-level: the home of according to adolescents Socioeconomic the student so area and type whose fathers status of the may not be (public or had a census tracts in accurate. private). university which the school Overall education (OR
Details Method Results Comments Smoking restriction in cars, workplaces, schools and other public places Author, year Galan 2012 Age (years) 15-16 Setting 79 secondary schools, Madrid, Spain Study design Cross-sectional study Objective To evaluate the relationship of contextual factors with smoking on school premises SES variables used School-level: Socioeconomic status of the census tracts in which the school Data sources Surveillance System of Risk Factors associated with diseases targeting the adolescent population in the fourth year of compulsory secondary education in the Madrid region (15–16 years), Participant selection Two-stage cluster sampling with stratification in the selection of schools according to area and type (public or private). Overall General population impact smokers, 50.6% had smoked on school premises during the last thirty days with significant variability (0% to 100%) between schools Impact by SES variable with school-level and variables: a lower probability of smoking on school premises was found among adolescents whose fathers had a university education (OR Internal validity The questionnaire was filled out in the classroom in the presence of previously trained staff. Smoking variable previously validated but potential for response bias. Some subgroups are not sufficiently powered. SES measured by census tracts of the school rather than the location of the home of the student so may not be accurate.
Youth-report-Web.docx