Legislative smoking bans for reducing secondhand smoke exposure ...

Braverman 2008 (Continued)
two variables - a) age (P =0.004) with respondents being older and b) having changed jobs(P =0.018). No significant
change in smoking prevalence and tobacco consumption between T1 and T2 in those who responded at baseline
and 4 months and those who responded for all surveys.
Interventions Legislative smoking ban introduced in Norway on 1st June 2004 in indoor workplaces including smoking in bars,
nightclubs and restaurants.
Outcomes Self-reported smoking status (daily, occasional, non-smoker) self-reported average number of cigarettes consumption
smoked daily and at work.
Biochemical verification: No
Notes Examined predictors of smoking cessation such as age, gender, income, smoking behaviour, attitudes towards the
ban and SHS, exposure to SHS, and respiratory symptoms.
Brownson 1995
Methods Country: USA
Setting: Missouri, USA
Design: Observational study, cross-sectional population based surveys carried out on a monthly basis between January
1990 and December 1993. Analysis of never and former smokers which were defined as having smoked less than
100 cigarettes in their lifetime and not currently smoking.
Participants Population based sample of Missouri residents aged ≥ to 18 yrs.
Total: 6052 interviews over study period; approx. 126 interviews per month.
Response rate: 73%. Sample age 18-34 yrs: 31.8% , Census % Missouri 18-34 yrs: 35.9%
Sample Female: 59.6%, Census % Missouri Female: 52.9%.
Sample representative of overall Missouri population although slightly under-represented in younger persons, males,
blacks, and persons with lesser education.
Analysis: Student’s t test. Regression analyses. Two tailed.
Interventions Missouri statewide clean indoor air legislation implemented in August 28th 1992 restricted smoking in workplaces,
public buildings, and restaurants. Bars, taverns, bowling alleys, restaurants with seating for less than 50 persons and
certain public places were exempt from the law.
Outcomes Self-reported exposure of nonsmokers to tobacco smoke at work and in the home.
Biochemical verification: No
Notes Other outcomes reported in the study were awareness of the state clean indoor air law and extent to which they
requested no-smoking seating in restaurants.
Legislative smoking bans for reducing secondhand smoke exposure, smoking prevalence and tobacco consumption (Review)
Copyright © 2010 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.
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