Scientific Journal Articles
Showing 251-255 of 255 Results
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Siahpush , et al. 2006. Socioeconomic and country variations in knowledge of health risks of tobacco smoking and toxic constituents of smoke: Results from the 2002 International Tobacco Control (ITC) Four Country Survey [show abstract ▼] [hide abstract ▲]
Citation
Siahpush, M., McNeill, A., Hammond, D., Fong, G.T. (2006). Socioeconomic and country variations in knowledge of health risks of tobacco smoking and toxic constituents of smoke: Results from the 2002 International Tobacco Control (ITC) Four Country Survey. Tobacco Control, 15(Suppl 3), iii65-iii70.
Abstract
Background: Socioeconomic status is strongly associated with smoking prevalence and social class differences contribute substantially to social inequalities in mortality. This research investigated socioeconomic and country variations in smokers’ knowledge that smoking causes heart disease, stroke, impotence and lung cancer, that smoke contains cyanide, mercury, arsenic and carbon monoxide, and whether nicotine causes most of the cancer.
Methods: Data were from the International Tobacco Control (ITC) Four Country Survey, a cohort survey of over suppl_ adult smokers from four countries: the United States, Canada, the United Kingdom, and Australia. Data were collected via telephone interviews in 2002.
Results: Higher education and income were associated with higher awareness. For example, the odds of knowing that smoking causes heart disease, stroke and lung cancer were respectively 71%, 34% and 83% larger for respondents with high versus low income. The odds of knowing that smoke contains cyanide, mercury, arsenic and carbon monoxide were respectively 66%, 26%, 44% and 108% larger for respondents with a university degree than those with a high school diploma or lower level of education. Results also revealed that awareness of harms of smoking was generally the highest in Canada and the lowest in the UK.
Conclusions: Lower socioeconomic status was associated with lower awareness of the harms of smoking and misunderstanding around nicotine. There is a need to improve knowledge of the dangers of smoking among the disadvantaged segments of the population.
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Thompson, et al. 2006. Methods of the International Tobacco Control (ITC) Four Country Survey [show abstract ▼] [hide abstract ▲]
Citation
Thompson, M.E., Fong, G.T., Hammond, D., Boudreau, C., Driezen, P., Hyland, A., Borland, R., Cummings, K.M., Hastings, G., Siahpush, M., MacKintosh, A.M., Laux, F. (2006). Methods of the International Tobacco Control (ITC) Four Country Survey. Tobacco Control, 15(Suppl 3), iii12-iii18.
Abstract
This paper outlines the design features, data collection methods and analytic strategies of the International Tobacco Control (ITC) Four Country Survey, a prospective study of more than 2000 longitudinal respondents per country with yearly replenishments. This survey possesses unique features that sets it apart among surveys on tobacco use and cessation. One of these features is the use of theory-driven conceptual models. In this paper, however, the focus is on the two key statistical features of the survey: longitudinal and “quasi-experimental” designs. Although it is often possible to address the same scientific questions with a cross-sectional or a longitudinal study, the latter has the major advantage of being able to distinguish changes over time within individuals from differences among people at baseline (that is, differences between age and cohort effects). Furthermore, quasi-experiments, where countries not implementing a given new tobacco control policy act as the control group to which the country implementing such a policy will be compared, provide much stronger evidence than observational studies on the effects of national-level tobacco control policies. In summary, application of rigorous research methods enables this survey to be a rich data resource, not only to evaluate policies, but also to gain new insights into the natural history of smoking cessation, through longitudinal analyses of smoker behaviour.
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Yong, et al. 2005. Quitting-related beliefs, intentions, and motivations of older smokers in four countries: Findings from the International Tobacco Control Policy Evaluation Survey [show abstract ▼] [hide abstract ▲] [access full article]
Citation
Yong, H.H., Borland, R., Siahpush, M. (2005). Quitting-related beliefs, intentions, and motivations of older smokers in four countries: Findings from the International Tobacco Control Policy Evaluation Survey. Addictive Behaviours, 30(4), 777-788.
Abstract
Older smokers represent an important subgroup that has been shown to benefit considerably from quitting smoking. However, to date little is known about relevant beliefs, intentions, and motivations. This study examined factors associated with older smokers' (aged 60 years and above) intention to quit smoking using data gathered via the International Tobacco Control Policy Evaluation Survey (ITCPES), a random digit dialed telephone survey of over 9000 adult smokers from United Kingdom, United States, Canada, and Australia. Having smoked for a long time and having survived, it was hypothesized that older smokers would perceive themselves as being less vulnerable to the harm of smoking (self-exempting beliefs); be less concerned about the health effects of smoking; be less confident about being able to quit successfully (self-efficacy); not perceive any health benefit of quitting, and hence be less willing to want to quit. Controlling for possible confounders, the hypotheses were all confirmed. Further analysis into reported considerations for quitting revealed that price of cigarettes, health professional advice, cheap quitting medication, and information on health risks were important predictors of quitting intention, with cigarette price and cheap medication also associated with recent quit attempts. Together, these findings have important implications for developing strategies for encouraging older smokers to give up smoking.
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Borland, et al. 2004. Use of and beliefs about light cigarettes in four countries: Findings from the International Tobacco Control Policy Evaluation Survey [show abstract ▼] [hide abstract ▲] [access full article]
Citation
Borland, R., Yong, H.H., King, B., Cummings, K.M., Fong, G.T., Elton-Marshall, T., Hammond, D., McNeill, A. (2004). Use of and beliefs about light cigarettes in four countries: Findings from the International Tobacco Control Policy Evaluation Survey. Nicotine & Tobacco Research, 6(Suppl 3), S311-321.
Abstract
This study examined reported use of, and beliefs about, so-called light cigarettes among adult smokers in four countries: Australia (Aus), Canada (Can), the United Kingdom (U.K.) and the United States (U.S.). The method used was parallel telephone surveys among 9,046 smokers across the four countries. The results indicated that more than half of all smokers in each country except the U.K. reported smoking light cigarette brands. A majority of smokers surveyed in each country except Canada continue to believe that light cigarettes offer some health benefit compared to regular cigarettes (Canada 43%, U.S. 51%, Australia 55%, U.K. 70%). A majority of smokers in all four countries believed that light cigarettes are smoother on the throat and chest than regular cigarettes. Predictors of use of light cigarettes and beliefs about possible benefits were very similar in the four countries. These results demonstrate an ongoing need for public education about why light cigarettes do not reduce harm and do not make quitting easier. The results provide further evidence for the need for regulatory measures in all four countries to prohibit the use of misleading light and mild descriptors including package imagery in product marketing (as prescribed in Article 11 of the Framework Convention on Tobacco Control), abandon the use of standard FTC/ISO tar and nicotine yields as consumer information, and adopt policies to regulate deceptive design features of cigarettes, such as ventilated filters.
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Fong, et al. 2004. The near-universal experience of regret among smokers in four countries: Findings from the International Tobacco Control Policy Evaluation Survey [show abstract ▼] [hide abstract ▲] [access full article]
Citation
Fong, G.T., Hammond, D., Laux, F., Zanna, M.P., Cummings, K.M., Borland, R., Ross, H. (2004). The near-universal experience of regret among smokers in four countries: Findings from the International Tobacco Control Policy Evaluation Survey. Nicotine & Tobacco Research, 6(Suppl 3), S341-351.
Abstract
Regret may be a key variable in understanding the experience of smokers, the vast majority of whom continue to smoke while desiring to quit. We present data from the baseline wave (October-December 2002) of the International Tobacco Control Policy Evaluation Survey, a random-digit-dialed telephone survey of a cohort of over 8,000 adult smokers across four countries--Canada, the United States, the United Kingdom, and Australia--to estimate the prevalence of regret and to identify its predictors. The proportion of smokers who agreed or agreed strongly with the statement "If you had to do it over again, you would not have started smoking" was extremely high--about 90%--and nearly identical across the four countries. Regret was more likely to be experienced by older smokers, women, those who had tried to quit more often, those who perceived quitting as conferring benefits, those with higher levels of perceived addiction, those who worried about future damage to health, those who perceived smoking as lowering their quality of life, those who perceived higher monetary costs of smoking, and those who believed that smoking is not socially acceptable. This predictive model was the same in all four countries. Regret is thus a near-universal experience among smokers in all four countries, and the factors that predict regret are universal across these four countries. Among other implications for cessation treatment and smoking prevention, this near universality of regret casts doubt on the view of some policy analysts and economists that the decisions to take up and continue smoking are welfare-maximizing for the consumer.
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