How many deaths are caused by second hand cigarette smoke?

Global Burden of Otitis Media Attributable to Secondhand Smoke in 204 Countries and Territories from 1990 to 2019: The Analysis of the Global Burden of Disease Study

OBJECTIVE

Secondhand smoke (SHS) is a major public health concern. In this study, we evaluated the global burden of otitis media (OM) due to SHS exposure during 1990-2019 and explored the impact of socioeconomic factors on it.

METHODS

With reference to the 2019 Global Burden of Disease (GBD) data, we assessed the OM burden linked to SHS during 1990-2019, stratified by gender, GBD region, and country. Join-point regression models analyzed trends in OM burden by calculating the average annual percent change (AAPC). Spearman's correlation examined the relationship between the Socio-demographic Index (SDI), Healthcare Access and Quality (HAQ) index, and SHS-related OM burden.

RESULTS

During 1990-2019, age-standardized disability-adjusted life years (ASDRs) and age-standardized mortality rates (ASMRs) for OM due to SHS declined globally, with AAPCs of -1.45 for ASDR and -7.97 for ASMR. Significant declines in ASMR were noted in low-to-middle SDI regions. Regionally, Eastern Sub-Saharan Africa had the highest OM-related deaths, while South Asia had the highest disability-adjusted life years. OM burden decreased with higher SDI and HAQ.

CONCLUSION

Despite global declines, significant regional and national disparities remained, which emphasizes the need for targeted interventions.

Evolution and characteristics of studies estimating attributable mortality to second-hand smoke: a systematic review

BACKGROUND

Several studies have estimated the impact of second-hand smoke (SHS) exposure on mortality in the population of different countries. This study aimed to identify and describe studies that have estimated the attributable mortality (AM) associated with SHS exposure in the adult population.

METHODS

A literature search was conducted in MEDLINE, EMBASE, Cochrane Library and CINAHL databases up to January 2023. Studies that estimated the AM associated with SHS exposure in the adult population and used a prevalence-dependent method were included. The main characteristics of the studies and their results were described.

RESULTS

Fifty-three studies were included. Most of them were conducted in North America (n = 13), Europe (n = 14) and China (n = 6) and included lung cancer (n = 46) or ischaemic heart disease (n = 22) as causes of death. There was considerable variety in the population under study regarding the relationship with tobacco: non-smokers (n = 30); never-smokers (n = 9); both non and never-smokers (n = 2); the whole population (n = 1) and not known (n = 11). The age at which AM was estimated also varied between studies, ranging from 15  to 40 years and older.

CONCLUSIONS

Studies estimating AM associated with SHS exposure are heterogeneous in terms of the causes of death studied, the age at which mortality is attributed, or the population to which mortality referred: consensus should be reached. Despite their importance, studies assessing AM to SHS are infrequent in low- and middle-income countries.

Smoke-free spaces: a decade of progress, a need for more?

Adoption of smoke-free measures has been one of the central elements of tobacco control activity over the past 30 years. The past decade has seen an increasing number of countries and proportion of the global population covered by smoke-free policies to some extent. Despite reductions in global smoking prevalence, population growth means that the number of non-smokers exposed to the harms caused by secondhand smoke remains high. Smoke-free policy measures have been shown to be useful in protecting non-smokers from secondhand smoke, and can additionally increase cessation and reduce smoking initiation. Policies tend to be aimed primarily at enclosed public or workplace settings with very few countries attempting to control exposure in private or semiprivate spaces such as homes and cars, and, as a result, children may be benefiting less from smoke-free measures than adults. Compliance with legislation also varies by country and there is a need for education and empowerment together with guidance and changing social norms to help deliver the full benefits that smoke-free spaces can bring. Restrictions and policies on use of electronic cigarettes (e-cigarettes) in smoke-free settings require more research to determine the benefits and implications of bystanders' exposure to secondhand e-cigarette aerosol, dual use and smoking cessation.

Asthma and stroke: a narrative review

Asthma is a heterogeneous disease, usually characterized by chronic airway inflammation, bronchial reversible obstruction and hyperresponsiveness to direct or indirect stimuli. It is a severe disease causing approximately half a million deaths every year and thus possessing a significant public health burden. Stroke is the second leading cause of death and a major cause of disability worldwide. Asthma and asthma medications may be a risk factors for developing stroke. Nevertheless, since asthma is associated with a variety of comorbidities, such as cardiovascular, metabolic and respiratory, the increased incidence of stroke in asthma patients may be due to a confounding effect. The purpose of this review is to analyze the complex relationship between asthma and stroke.

Pattern of cigarette smoking: intensity, cessation, and age of beginning: evidence from a cohort study in West of Iran

BACKGROUND

Smoking is a social epidemic and one of the main risk factors for premature deaths and disabilities worldwide. In the present study, we investigated the Pattern of Cigarette Smoking: intensity, cessation, and age of the beginning.

METHODS

Data collected from the recruitment phase of Ravansar (a Kurd region in western Iran) Non-Communicable Disease (RaNCD) cohort study was analyzed by using Chi-square test, univariate and multivariate logistic regressions, Poisson regression, and linear regression.

RESULTS

Totally 10,035 individuals (47.42% males) participated in the study. Mean age was lower for males (47.45 yr) than for females (48.36 yr). Prevalence of smoking was 20% (36.4% of males and 5.23% of females). Compared to female participants, males showed a 7-fold higher prevalence of smoking and started smoking about 4 years earlier. Being married, having a lower BMI, living in rural areas, and being exposed to secondhand smoke (SHS) were predictors of higher smoking prevalence rates. Furthermore, current exposure to SHS, higher smoking intensity, later smoking initiation, male gender, younger age, lower education, and lower BMI were related to lower likelihood of stopping smoking. Heavy smokers began to smoke about 4 years earlier than casual smokers did. Finally, being divorced/ widow/ widower/ single and childhood exposure to SHS were found to increase the likelihood of becoming a smoker.

CONCLUSIONS

Based on present research results, health programs specific to smoking cessation should take socio-demographic factors, smoking history, and current smoking behavior into account.

Burden of disease attributable to second-hand smoke exposure: A systematic review

Our aim was to provide a systematic review of studies on the burden of disease due to second-hand smoke (SHS) exposure, reviewing methods, exposure assessment, diseases causally linked to SHS, health outcomes, and estimates available to date. A literature review of studies on the burden of disease from SHS exposure, available in PubMed and SCOPUS, published 2007-2018 in English language, was carried out following the PRISMA recommendations. Overall, 588 studies were first identified, and 94 were eligible. Seventy-two studies were included in the systematic review. Most of them were based on the comparative risk assessment approach, assessing SHS exposure using mainly surveys on exposure at home/workplaces. Diseases more frequently studied were: lung cancer, ischemic heart disease, stroke, chronic obstructive pulmonary disease, asthma and breast cancer in adults; lower respiratory tract infection, otitis media, asthma, sudden infant death syndrome and low birth weight in children. The SHS exposure assessment and the reported population attributable fractions (PAF) were largely heterogeneous. As an example, the PAF from lung cancer varied between 0.6% and 20.5%. Moreover, PAF were estimated applying relative risks and SHS exposures with no consistent definitions or with different age classes. The research gap on the SHS exposure burden is shrinking. However, estimates are not yet available for a number of countries, particularly the Middle Eastern and African countries, and not all diseases with the strongest evidence of causation, such as sudden infant death syndrome, have been explored. Moreover, in some cases the applied methodology revealed relatively low quality of data.

A percepção do cumprimento das leis antifumo em bares e restaurantes em três cidades brasileiras: dados do ITC-Brasil

Resumo: O tabagismo passivo causa sérios e mortais efeitos à saúde. Desde 1996, o Brasil vem avançando na implementação da legislação antifumo em locais públicos fechados. Este artigo busca avaliar a percepção do cumprimento da legislação antifumo nas cidades de Porto Alegre (Rio Grande do Sul), Rio de Janeiro e São Paulo, com base nos resultados da pesquisa ITC-Brasil (International Tobacco Control Policy Evaluation Project). Os resultados desta pesquisa mostraram uma redução significativa da proporção de pessoas que notaram indivíduos fumando em restaurantes e bares entre 2009 e 2013 nas três cidades pesquisadas. Paralelamente, houve um aumento da proporção de fumantes que referiram ter fumado na área externa desses estabelecimentos. Tais resultados provavelmente refletem uma implementação exitosa das leis antifumo. Vale ressaltar que ao diminuir a exposição ao fumo passivo, aumentamos ainda mais a desnormalização do tabagismo na população em geral, podendo assim diminuir sua iniciação e aumentar a cessação de fumar.

Adolescents' Perceptions of Health Risks, Social Risks, and Benefits Differ Across Tobacco Products

OBJECTIVE

This study assesses perceptions of overall harm, short-term health and social risks, long-term health risks, and benefits associated with various tobacco products including conventional cigarettes, e-cigarettes, cigars, chew, and hookah. This study also assesses whether and how perceptions differ by age, gender, race/ethnicity, and previous experience with tobacco.

METHODS

A total of 722 high school students completed an online survey, answering questions about their use and perceptions of a variety of tobacco products. Differences in perceptions across products were assessed using a generalized estimation equation with an exchangeable correlation structure.

RESULTS

Adolescents rated the various tobacco products as conferring significantly different levels of risks and benefits. Generally, adolescents rated cigarettes as most risky, followed by cigars and chew, with hookah and e-cigarettes rated as least risky. Adolescents rated hookah followed by cigarettes and e-cigarettes as most likely to make them look cool or fit in and cigars and chew as least likely to confer these benefits. There were interaction effects by age and use, with older adolescents and those with tobacco experience holding lower perceptions of risk. There were no significant interaction effects by race/ethnicity or gender.

CONCLUSION

Given the significant differences in adolescents' perceptions of risks and benefits of using different tobacco products and research showing the predictive relationship between perceptions and behavior, there is a need for comprehensive messaging that discusses risks of all tobacco products, particularly hookah and e-cigarettes. There is also a need to address perceived benefits of tobacco products, especially hookah and e-cigarettes.

Health Impact Assessment for Second-Hand Smoke Exposure in Germany--Quantifying Estimates for Ischaemic Heart Diseases, COPD, and Stroke

Evidence of the adverse health effects attributable to second-hand smoke (SHS) exposure is available. This study aims to quantify the impact of SHS exposure on ischaemic heart diseases (IHD), chronic obstructive pulmonary diseases (COPD), and stroke in Germany. Therefore, this study estimated and forecasted the morbidity for the three outcomes in the German population. Furthermore, a health impact assessment was performed using DYNAMO-HIA, which is a generic software tool applying a Markov model. Overall 687,254 IHD cases, 231,973 COPD cases, and 288,015 stroke cases were estimated to be attributable to SHS exposure in Germany for 2014. Under the assumption that the population prevalence of these diseases and the prevalence of SHS exposure remain constant, the total number of cases will increase due to demographic aging. Assuming a total eradication of SHS exposure beginning in 2014 leads to an estimated reduction of 50% in cases, compared to the reference scenario in 2040 for all three diseases. The results highlight the relevance of SHS exposure because it affects several chronic disease conditions and has a major impact on the population’s health. Therefore, public health campaigns to protect non-smokers are urgently needed.

Adolescents' Perceptions of Risks and Benefits of Conventional Cigarettes, E-cigarettes, and Marijuana: A Qualitative Analysis

PURPOSE

Although rates of adolescent cigarette use have remained constant or decreased, rates of marijuana and e-cigarette use are rising. Knowledge and perceptions of risks and benefits of tobacco products impact adolescents' decisions to use these products. However, little is known regarding adolescents' knowledge and perceptions of risks of e-cigarettes and marijuana nor how these perceptions are formed. This study uses qualitative techniques to assess and compare adolescents' perceptions of the risks and benefits of cigarettes, e-cigarettes, and marijuana.

METHODS

Twenty-four adolescents (nine females and 15 males) from Northern California participated in six small-group discussions. Adolescents were asked what good or bad things might happen from using these products. To assess how perceptions and knowledge of risks and benefits were formed, participants were asked where and from whom they had learned about these products.

RESULTS

Adolescents described negative consequences of cigarette use but were much less sure regarding risks of marijuana and e-cigarette use. Conversely, they described few benefits of cigarettes but described a number of benefits of e-cigarette and marijuana use. Adolescents described learning about these products from the media, from family and friends, and from the school environment.

CONCLUSIONS

Adolescents have learned from multiple sources about risks of using cigarettes, but they receive much less and often incorrect information regarding marijuana and e-cigarettes, likely resulting in their positive and often ambivalent perceptions of marijuana and e-cigarettes.

Tobacco and metabolic syndrome

Tobacco is a leading contributor to morbidity and mortality globally. Metabolic syndrome is a constellation of abdominal obesity, atherogenic dyslipidemia, raised blood pressure, insulin resistance (with and without glucose intolerance), pro-inflammatory state, and pro-thrombotic state. Tobacco use is associated with various core components of metabolic syndrome. It has been found to play a causal role in various pathways leading on to development this condition, the current article discusses various facets of this association.

A cost-effectiveness analysis of India's 2008 prohibition of smoking in public places in Gujarat

Tobacco smoking and exposure to secondhand tobacco smoke are associated with disability and premature mortality in low and middle-income countries. The aim of this study was to assess the cost-effectiveness of implementing India's Prohibition of Smoking in Public Places Rules in the state of Gujarat, compared to implementation of a complete smoking ban. Using standard cost-effectiveness analysis methods, the cost of implementing the alternatives was evaluated against the years of life saved and cases of acute myocardial infarction averted by reductions in smoking prevalence and secondhand smoke exposure. After one year, it is estimated that a complete smoking ban in Gujarat would avert 17,000 additional heart attacks and gain 438,000 life years (LY). A complete ban is highly cost-effective when key variables including legislation effectiveness were varied in the sensitivity analyses. Without including medical treatment costs averted, the cost-effectiveness ratio ranges from $2 to $112 per LY gained and $37 to $386 per acute myocardial infarction averted. Implementing a complete smoking ban would be a cost saving alternative to the current partial legislation in terms of reducing tobacco-attributable disease in Gujarat.

Worldwide burden of disease from exposure to second-hand smoke: a retrospective analysis of data from 192 countries

BACKGROUND

Exposure to second-hand smoke is common in many countries but the magnitude of the problem worldwide is poorly described. We aimed to estimate the worldwide exposure to second-hand smoke and its burden of disease in children and adult non-smokers in 2004.

METHODS

The burden of disease from second-hand smoke was estimated as deaths and disability-adjusted life-years (DALYs) for children and adult non-smokers. The calculations were based on disease-specific relative risk estimates and area-specific estimates of the proportion of people exposed to second-hand smoke, by comparative risk assessment methods, with data from 192 countries during 2004.

FINDINGS

Worldwide, 40% of children, 33% of male non-smokers, and 35% of female non-smokers were exposed to second-hand smoke in 2004. This exposure was estimated to have caused 379,000 deaths from ischaemic heart disease, 165,000 from lower respiratory infections, 36,900 from asthma, and 21,400 from lung cancer. 603,000 deaths were attributable to second-hand smoke in 2004, which was about 1·0% of worldwide mortality. 47% of deaths from second-hand smoke occurred in women, 28% in children, and 26% in men. DALYs lost because of exposure to second-hand smoke amounted to 10·9 million, which was about 0·7% of total worldwide burden of diseases in DALYs in 2004. 61% of DALYs were in children. The largest disease burdens were from lower respiratory infections in children younger than 5 years (5,939,000), ischaemic heart disease in adults (2,836,000), and asthma in adults (1,246,000) and children (651,000).

INTERPRETATION

These estimates of worldwide burden of disease attributable to second-hand smoke suggest that substantial health gains could be made by extending effective public health and clinical interventions to reduce passive smoking worldwide.

FUNDING

Swedish National Board of Health and Welfare and Bloomberg Philanthropies.

Public, private and personal: qualitative research on policymakers' opinions on smokefree interventions to protect children in 'private' spaces

Background

Governments use law to constrain aspects of private activities for purposes of protecting health and social wellbeing. Policymakers have a range of perceptions and beliefs about what is public or private. An understanding of the possible drivers of policymaker decisions about where government can or should intervene for health is important, as one way to better guide appropriate policy formation. Our aim was to identify obstacles to, and opportunities for, government smokefree regulation of private and public spaces to protect children. In particular, to seek policymaker opinions on the regulation of smoking in homes, cars and public parks and playgrounds in a country with incomplete smokefree laws (New Zealand).

Methods

Case study, using structured interviews to ask policymakers (62 politicians and senior officials) about their opinions on new smokefree legislation for public and private places. Supplementary data was obtained from the Factiva media database, on the views of New Zealand local authority councillors about policies for smokefree outdoor public places.

Results

Overall, interviewees thought that government regulation of smoking in private places was impractical and unwise. However, there were some differences on what was defined as 'private', particularly for cars. Even in public parks, smoking was seen by some as a 'personal' decision, and unlikely to be amenable to regulation. Most participants believed that educative, supportive and community-based measures were better and more practical means of reducing smoking in private places, compared to regulation.

Conclusions

The constrained view of the role of regulation of smoking in public and private domains may be in keeping with current political discourse in New Zealand and similar Anglo-American countries. Policy and advocacy options to promote additional smokefree measures include providing a better voice for childrens' views, increasing information to policymakers about the harms to children from secondhand smoke and the example of adult smoking, and changing the culture for smoking around children.

Exposure to secondhand smoke and cognitive impairment in non-smokers: national cross sectional study with cotinine measurement

OBJECTIVE

To examine the association between a biomarker of exposure to secondhand smoke (salivary cotinine concentration) and cognitive impairment.

DESIGN

Cross sectional analysis of a national population based study.

SETTING

Stratified random sample of households throughout England.

PARTICIPANTS

4809 non-smoking adults aged 50 years or more from the 1998, 1999, and 2001 waves of the Health Survey for England who also participated in the 2002 wave of the English Longitudinal Study of Ageing and provided saliva samples for cotinine assay and a detailed smoking history.

MAIN OUTCOME MEASURE

Cognitive impairment as defined by the lowest 10% of scores on a battery of neuropsychological tests.

RESULTS

Participants who did not smoke, use nicotine products, or have salivary cotinine concentrations of 14.1 ng/ml or more were divided into four equal size groups on the basis of cotinine concentrations. Compared with the lowest fourth of cotinine concentration (0.0-0.1 ng/ml) the odds ratios (95% confidence intervals) for cognitive impairment in the second (0.2-0.3 ng/ml), third (0.4-0.7 ng/ml), and highest fourths (0.8-13.5 ng/ml) were 1.08 (0.78 to 1.48), 1.13 (0.81 to 1.56), and 1.44 (1.07 to 1.94; P for trend 0.02), after adjustment for a wide range of established risk factors for cognitive impairment. A similar pattern of associations was observed for never smokers and former smokers.

CONCLUSIONS

Exposure to secondhand smoke may be associated with increased odds of cognitive impairment. Prospective nationally representative studies relating biomarkers of exposure to cognitive decline and risk of dementia are needed.

The economic impact of exposure to secondhand smoke in Minnesota

OBJECTIVES

Using the risk categories established by the 2006 US surgeon general's report, we estimated medical treatment costs related to exposure to secondhand tobacco smoke (SHS) in the state of Minnesota.

METHODS

We estimated the prevalence and costs of treated medical conditions related to SHS exposure in 2003 with data from Blue Cross and Blue Shield (Minnesota's largest insurer), the Current Population Survey, and population attributable risk estimates for these conditions reported in the scientific literature. We adjusted treatment costs to the state level by health insurance category by using the Medical Expenditure Panel Survey.

RESULTS

The total annual cost of treatment in Minnesota for conditions for which the 2006 surgeon general's report found sufficient evidence to conclude a causal link with exposure to SHS was $228.7 million in 2008 dollars-equivalent to $44.58 per Minnesota resident. Sensitivity analyses showed a range from $152.1 million to $330.0 million.

CONCLUSIONS

The results present a strong rationale for regulating smoking in public places and were used to support the passage of Minnesota's Freedom to Breathe Act of 2007.

Mortality attributable to passive smoking in Spain, 2002

OBJECTIVE

Exposure to environmental tobacco smoke (ETS) is associated with a variety of health effects, including lung cancer and ischaemic heart disease. The objective of this study was to estimate the number of deaths caused by exposure to ETS among non-smokers in Spain during the year 2002

METHODS

Prevalence of ETS exposure among never smokers was gathered from three region based health interview surveys. The relative risks of lung cancer and ischaemic heart diseases were selected from three meta-analyses. Population attributable risk (PAR) was computed using a range of prevalences (minimum-maximum). The number of deaths attributable to ETS was calculated by applying PARs to mortality not attributable to active smoking in 2002. The analyses were stratified by sex, age and source of exposure (home, workplace and both combined). In addition, a sensitivity analysis was performed for different scenarios.

RESULTS

Among men, deaths attributable to ETS ranged from 408 to 1703. From 247 to 1434 of these deaths would be caused by the exposure only at home, 136-196 by exposure only in the workplace and 25-73 by exposure at both home and the workplace. Among women, the number of attributable deaths ranged from 820 to 1534. Between 807 and 1477 of these deaths would be caused by exposure only at home, 9-32 by exposure only in the workplace and 4-25 by exposure both at home and in the workplace.

CONCLUSION

Exposure to ETS at home and at work in Spain could be responsible for 1228-3237 of deaths from lung cancer and ischaemic heart disease. These data confirm that passive smoking is an important public health problem in Spain that needs urgent attention.

Disease burden of adult lung cancer and ischaemic heart disease from passive tobacco smoking in China

OBJECTIVE

To address the health hazards tobacco smoking imposes upon non-smokers in China, this paper estimates the burden of diseases in adults from passive tobacco smoking for two major diseases--lung cancer and ischaemic heart disease (IHD).

METHODS

The disease burden was estimated in terms of both premature mortality and disability adjusted life years (DALYs), a measure that accounts for both the age at death and the severity of the morbidity.

RESULTS

Passive smoking caused more than 22,000 lung cancer deaths in 2002 according to these estimates. When the toll of disability is added to that of mortality, passive smoking was responsible for the loss of nearly 230,000 years of healthy life from lung cancer. Using the evidence from other countries that links IHD to passive smoking, we estimated that approximately 33,800 IHD deaths could be attributable to passive smoking in China in 2002. Passive smoking is also responsible for the loss of more than one quarter of a million years of healthy life from IHD. Although most of the disease burden caused by active smoking occurs among men, women bear nearly 80% of the total burden from passive smoking. The number of deaths among women caused by passive smoking is about two-thirds of that caused by smoking for the two diseases we examined.

CONCLUSION

Even without considering the passive smoking risks for other diseases and among children that have been documented in other countries, passive smoking poses serious health hazards for non-smokers, especially for adult female non-smokers in China, adding more urgency to the need for measures to be taken immediately to protect the health of non-smokers and curb the nation's tobacco epidemic.

The impact of the environment on health by country: a meta-synthesis

BACKGROUND

Health gains that environmental interventions could achieve are main questions when choosing environmental health action to prevent disease. The World Health Organization has recently released profiles of environmental burden of disease for 192 countries.

METHODS

These country profiles provide an estimate of the health impacts from the three major risk factors 'unsafe water, sanitation & hygiene', 'indoor air pollution from solid fuel use' and 'outdoor air pollution'. The profiles also provide an estimate of preventable health impacts by the environment as a whole. While the estimates for the three risk factors are based on country exposures, the estimates of health gains for total environmental improvements are based on a review of the literature supplemented by expert opinion and combined with country health statistics.

RESULTS

Between 13% and 37% of the countries' disease burden could be prevented by environmental improvements, resulting globally in about 13 million deaths per year. It is estimated that about four million of these could be prevented by improving water, sanitation and hygiene, and indoor and outdoor air alone. The number of environmental DALYs per 1000 capita per year ranges between 14 and 316 according to the country. An analysis by disease group points to main preventions opportunities for each country.

CONCLUSION

Notwithstanding the uncertainties in their calculation, these estimates provide an overview of opportunities for prevention through healthier environments. The estimates show that for similar national incomes, the environmental burden of disease can typically vary by a factor five. This analysis also shows that safer water, sanitation and hygiene, and safer fuels for cooking could significantly reduce child mortality, namely by more than 25% in 20 of the lowest income countries.

Methodologies used to estimate tobacco-attributable mortality: a review

BACKGROUND

One of the most important measures for ascertaining the impact of tobacco on a population is the estimation of the mortality attributable to its use. To measure this, a number of indirect methods of quantification are available, yet there is no consensus as to which furnishes the best information. This study sought to provide a critical overview of the different methods of attribution of mortality due to tobacco consumption.

METHOD

A search was made in the Medline database until March 2005 in order to obtain papers that addressed the methodology employed for attributing mortality to tobacco use.

RESULTS

Of the total of 7 methods obtained, the most widely used were the prevalence methods, followed by the approach proposed by Peto et al, with the remainder being used in a minority of studies.

CONCLUSION

Different methodologies are used to estimate tobacco attributable mortality, but their methodological foundations are quite similar in all. Mainly, they are based on the calculation of proportional attributable fractions. All methods show limitations of one type or another, sometimes common to all methods and sometimes specific.

The use and misuse of health research by parliamentary politicians during the development of a national smokefree law

BACKGROUND

We investigated the ways in which research evidence about the health effects from secondhand smoke (SHS) and smokefree policies was publicly used or regarded by New Zealand parliamentary politicians, during efforts to strengthen a smokefree law (ie, from 1997 to 2005).

METHODS

A documentary case study used published and unpublished material recording the use of research evidence by politicians. The material was collected for the period 1997-2005 from the parliamentary record, media and other databases. Additional searches were made to provide context for the politicians who used research.

RESULTS

Major themes identified included: (a) the employment of local estimates of SHS mortality, (b) linking specific health effects (eg, cancer) to SHS exposure, (c) a focus on the use of research relevant to bar workers, and (d) the use of research to downgrade the health effects, and attacks on the credibility of research showing health effects from SHS. Almost half of the 21 Members of Parliament (MPs), who spoke in parliament about SHS research during 2000-2005, denied or were sceptical about SHS harm. At least five MPs used tobacco industry funded or disseminated versions of research. There was some indirect evidence that the degree of exposure to the health sector, or the tobacco industry and its allies, may have been factors in the use by MPs of the research.

POLICY IMPLICATIONS

The willingness of some of this group of politicians to adopt tobacco industry arguments suggests possible options within health promotion. These include the better enforcement of consumer protection laws (preventing deceptive information by the tobacco industry and its allies), and the adoption of an increased focus on tobacco industry behaviour within tobacco control efforts. These moves may have beneficial effects for the use of research in public health policymaking. The strengthening by the health sector of its advocacy capacity and effectiveness may also be a crucial step in the better use of research by politicians in the policymaking process.

Insufficient smoking restrictions in restaurants around junior high schools in Japan

Controls for second hand smoke (SHS) and adolescent smoking have been still sociomedical concerns in Japan. Restaurant smoking restrictions are associated with community social norms affecting adolescent smoking behavior, and the status in areas around Junior high schools (JHSs) in the community could be a sign of community practices on regulating SHS for adolescents. To examine whether restaurant smoking restrictions are seen especially in areas around JHSs in Japan, a survey using the direct inspection of a total of 163 restaurants (64 restaurants within and 99 outside a 1-km radius from the nearest JHSs) was conducted in May 2003 in Yonago city, Japan. We assessed smoking restriction status in each restaurant and classified them into 2 groups according to the distance from the nearest JHSs. There were only 2 (3.1%) restaurants with 100% non-smoking and 11 (17.2%) with some partial restrictions among the restaurants within a 1-km radius of JHSs. There were 1 (1.0%) restaurant with 100% non-smoking, 3 (3.0%) with complete non-smoking sections and 17 (17.2%) with some partial restrictions among the restaurants outside a 1-km radius of JHSs. Among restaurants with some partial restrictions, restriction methods were considered insufficient. The smoking restriction status was not significantly different between the restaurant groups within and outside a 1-km radius of JHSs. These results suggest that the public awareness of and attitude toward adolescent smoking problems remains low in Japan. Further SHS control actions for adolescents are needed in Japan.

Predictors of support for environmental tobacco smoke bans in state government

BACKGROUND

Environmental tobacco smoke (ETS) is a major threat to public health, associated with a number of serious diseases, and a leading cause of death. Previous research demonstrates that enactment of government policies mandating clean indoor air is effective in creating more smoke-free public places and decreasing the incidence of smoking. Both researchers and community activists have an interest in understanding the factors that predict support for the regulation of ETS.

METHODS

This study examined predictors of support for regulating ETS by surveying 684 city and county public officials in Colorado who were interviewed by phone and mail (response rate 61%).

RESULTS

Thirty-five percent of public officials reported that it is a "serious" or "very serious" problem that nonsmokers breathe in other people's cigarette smoke, 21% were "neutral," and 42% said that it was "not serious" or "not serious at all." Results indicated that support for policies to control ETS and promote clean indoor air is significantly more prevalent among public officials who: (1) believe that tobacco use is a serious problem in their community, (2) believe that breathing environmental tobacco smoke is a serious problem for nonsmokers, (3) believe that city and county government should get involved with people's decisions about smoking, (4) support smoking-cessation programs for public employees, and (5) have smoked less than 100 cigarettes during their lifetime.

CONCLUSIONS

Both the harms of ETS and legislation to create smoke-free environments remain controversial among local officials. Smoke-free advocates should support officials who believe that ETS is a problem and persuade officials on the harms of ETS and the need for government intervention.

Implementation failures in the use of two New Zealand laws to control the tobacco industry: 1989-2005

BACKGROUND

We reviewed the implementation of New Zealand laws in relation to the activities of the tobacco industry and their allies. Material for two brief case studies was obtained from correspondence with official agencies, official information requests, internet searches (tobacco industry documents and official government sites), and interviews with 12 key informants.

RESULTS

The first case study identified four occasions over a period of 14 years where New Zealand Government agencies appeared to fail to enforce consumer protection law, although apparent breaches by the tobacco industry and their allies had occurred in relation to statements on the relative safety of secondhand smoke. The second case study examined responses to a legal requirement for the tobacco industry to provide information on tobacco additives. There was failure to enforce the law, and a failure of the political process for at least 13 years to clarify and strengthen the law. Relevant factors in both these cases of 'policy slippage' appear to have been financial and opportunity costs of taking legal action, political difficulties and the fragmented nature of government structures.

CONCLUSION

Considered together, these case studies suggest the need for governments to: (i) make better use of national consumer laws (with proper monitoring and enforcement) in relation to tobacco; and (ii) to strengthen international law and resources around tobacco-related consumer protection. A number of options for achieving these aims are available to governments.

A survey of restaurant smoking restrictions in a Japanese city

Japan has been behind the times in terms of promoting smoking control. The health-promotion law, which included the aim of preventing environmental tobacco smoke (ETS) in public places, was newly introduced in Japan in 2003. The community-based survey on the present state of restaurant smoking restrictions and restaurant owners' concern of smoking is important as it is a reflection of the community's desire to prevent ETS. Data on the smoking restrictions in 163 restaurants in Yonago, one Japanese community, and the owners' smoking-related awareness were collected just one month after the law was enacted. This study revealed that only 6 (3.6%) restaurants were under sufficient conditions: 3 with totally smoke-free and 3 with complete non-smoking sections. The styles (e.g., Western-, Japanese- and Chinese-styles) and kinds of restaurants (e.g., family restaurants and tearooms) were not related to the state of smoking restrictions. Rates of smokers were relatively high among owners, and smoking owners significantly provided insufficient smoking restrictions. 26.4% of owners knew about the new law. However, there were no restaurants that started their smoking restrictions due to the law. Owners' knowledge of the law did not correlate with smoking restrictions. The owners especially feared the negative effects on business due to smoking restrictions. These survey findings suggested little protection from ETS in a sample of restaurants and a large gap in restaurant smoking restrictions compared to other countries. More widespread adoption of the health-promotion law in restaurants is an issue.

The dirty dozen: 12 myths that undermine tobacco control

Cigarette smoking is the leading cause of preventable death in the United States. The health risks of smoking are well documented, as is the effectiveness of clinical and public health interventions to prevent and reduce smoking. However, many myths about smoking either encourage people to begin or continue smoking or deter them from quitting. Some myths stem from a misapplied understanding of what might seem to be common sense; others are deliberately promulgated by the tobacco industry to induce people--especially children--to start smoking and to keep them smoking as adults. These myths undermine tobacco control. However, comprehensive tobacco control programs that include anti-smoking public education campaigns can effectively counter these myths and prevent illness and premature death.

Smoking attributable mortality for Taiwan and its projection to 2020 under different smoking scenarios

OBJECTIVES

To estimate smoking attributable mortality (SAM) in Taiwan for the years 2001 through 2020 under scenarios of reductions in smoking rates by 0%, 2%, 4%, and 10% per year.

METHOD

The smoking attributable fraction (SAF) was used to calculate SAM from the risk experience in following up a large cohort (86 580 people) in Taiwan. Smoking rates were based on the 2001 National Health Interview Survey and other national surveys. An average 10 year lag was assumed between smoking rates and subsequent mortality.

RESULTS

In 2001, 18 803 deaths, or 1 out of 4 deaths (27%), in middle aged men (35-69 years old) were attributable to smoking. SAM has been increasing and will continue to increase if smoking rates remain constant or even if reduced annually by 2%. SAM would begin to decrease only if rates were to be reduced by at least 4% a year.

CONCLUSIONS

The projected SAM in this study illustrates the seriousness of smoking caused mortality. Current efforts in tobacco control would lead to a progressive increase in SAM, unless efforts were doubled and smoking rates reduced by more than 4% a year. The urgency in requiring stronger tobacco control programmes to attenuate the staggering death tolls is compelling.

Adult tobacco use levels after intensive tobacco control measures: New York City, 2002-2003

OBJECTIVES

We sought to determine the impact of comprehensive tobacco control measures in New York City.

METHODS

In 2002, New York City implemented a tobacco control strategy of (1) increased cigarette excise taxes; (2) legal action that made virtually all work-places, including bars and restaurants, smoke free; (3) increased cessation services, including a large-scale free nicotine-patch program; (4) education; and (5) evaluation. The health department also began annual surveys on a broad array of health measures, including smoking.

RESULTS

From 2002 to 2003, smoking prevalence among New York City adults decreased by 11% (from 21.6% to 19.2%, approximately 140000 fewer smokers). Smoking declined among all age groups, race/ethnicities, and education levels; in both genders; among both US-born and foreign-born persons; and in all 5 boroughs. Increased taxation appeared to account for the largest proportion of the decrease; however, between 2002 and 2003 the proportion of cigarettes purchased outside New York City doubled, reducing the effective price increase by a third.

CONCLUSIONS

Concerted local action can sharply reduce smoking prevalence. However, further progress will require national action, particularly to increase cigarette taxes, reduce cigarette tax evasion, expand education and cessation services, and limit tobacco marketing.