Asthma in Childhood Reduces Smoking Initiation in Subsequent Teens Among Males

Verlato, Giuseppe; Bortolami, Oscar; Accordini, Simone; Olivieri, Mario; Cappa, Veronica; Bugiani, Massimiliano; Corsico, Angelo Guido; Pirina, Pietro; Villani, Simona; Marco, Roberto de

doi:10.1016/j.jadohealth.2010.07.010

Cited by 5 publications

(7 citation statements)

References 38 publications

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“…This finding is divergent from the majority of studies that have reported asthmatic adolescents are more apt to smoke than non-asthmatic adolescents [11–15]. However, one previous study found asthma in childhood reduces smoking initiation in male adolescents [10]. Further, a longitudinal cohort study of Dutch adolescents examined smoking and asthma and found a bidirectional relationship.…”

Section: Discussionmentioning

confidence: 58%

“…Overall, about 20 % of U.S. high school students [3] and Virginia high school students [9] smoke, which compromises their current and future health. While one study found that asthma in childhood reduces smoking initiation in male adolescents [10], the majority of previous studies assessing smoking among asthmatic adolescents show that they are more likely to smoke than non-asthmatic adolescents [11–15]. In addition, a cohort study of adolescents examined smoking and asthma and found a bidirectional relationship [15].…”

Section: Introductionmentioning

confidence: 99%

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Association between high school students’ cigarette smoking, asthma and related beliefs: a population-based study

2016

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BackgroundSmoking has a detrimental effect on the symptoms and severity of asthma, a common chronic disease among adolescents. The purpose of this study was to examine the association between asthma and smoking among high school students and assess provider-patient communication with asthmatic adolescents regarding smoking and adolescents’ beliefs about the harms of smoking.MethodsIn fall 2014, data from high school students, ages 14–18 years, completing the 2009-2010 Virginia Youth Tobacco Survey (N = 1796) were used in descriptive analyses and multivariable logistic regression models adjusting for model-specific confounders as appropriate.ResultsOverall, an estimated 19 % of high school students in Virginia smoked and 16 % had asthma. Odds of smoking did not differ by asthma status; however, asthmatics had 1.5 times higher odds of being asked if they smoke (95 % CI 1.06–2.13) and being advised not to smoke by a health professional (95 % CI 1.10–2.14) compared to non-asthmatics. Asthmatics who believed second-hand smoke or smoking 1–5 cigarettes/day was not harmful had respectively 4.2 and 2.8 times higher odds of smoking than those who thought each was harmful. Further, asthmatics who thought smoking 1−2 years is safe had 3.4 times higher odds of smoking than those who did not (95 % CI 1.57–10.1).ConclusionsWhile asthmatic adolescents are just as likely to smoke as non-asthmatics, less healthy beliefs about the risks of smoking increase the odds of smoking among asthmatics. Thus, targeted asthma-specific smoking prevention and education to change attitudes and beliefs could be an effective tool for adolescents.

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Section: Discussionmentioning

confidence: 58%

Section: Introductionmentioning

confidence: 99%

Association between high school students’ cigarette smoking, asthma and related beliefs: a population-based study

2016

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“…The negative association between current smoking and symptoms on allergen exposure could be partly explained by the ‘healthy smoker’ effect. Subjects with allergic disorders could be less likely to start smoking and more likely to quit . As an alternative explanation, current smokers seem to be less likely to be IgE‐sensitized to cat and grass in cross‐sectional studies and to develop novel IgE sensitizations in longitudinal studies , possibly due to immunosuppressive effect of smoking.…”

Section: Discussionmentioning

confidence: 99%

The risk of respiratory symptoms on allergen exposure increases with increasing specific IgE levels

Olivieri

Heinrich

Schlünssen

et al. 2016

Allergy

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“…While the effect of asthma on smoking initiation is expected to change largely according to cultural background and health education [29], the large variability in the effect of smoking on asthma is more difficult to explain. Several reasons have been put forward to explain this, i.e.…”

Section: Discussionmentioning

confidence: 99%

“…This is particularly important as not only smoking habits can influence asthma incidence and prognosis, but asthma in childhood can also influence smoking initiation among teenagers [29]. Moreover, the analysis took into account several potential confounders and/or effect modifiers (allergic rhinitis, socio-economic status and changes in smoking habits during follow-up).…”

Section: Strengths and Limitationsmentioning

confidence: 99%

Smoking and New-Onset Asthma in a Prospective Study on Italian Adults

Verlato

Nguyen

Marchetti³

et al. 2016

Int Arch Allergy Immunol

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Background: The existence of a cause-effect relation between active smoking and new-onset asthma in adults, although supported by several studies, has not been proven yet. Aims: We aimed to prospectively study asthma incidence as a function of smoking habits in the Italian adult population. Methods: A population-based cohort of 5,241 non-asthmatics was enrolled in Verona and Sassari in 1998-2000. The cohort was contacted again in 2007-2009 within the Gene-Environment Interactions in Respiratory Diseases study, and 3,187 subjects (60.8%) answered a screening questionnaire on smoking habits and respiratory disorders. The relation between smoking habits and self-reported new-onset asthma, defined as asthma attacks/use of medicines for asthma, was investigated by a multivariable logistic model. Results: During follow-up, 145 new cases of asthma were observed, yielding a cumulative incidence of 4.6% (95% CI 3.9-5.4); cumulative incidence of asthma did not significantly differ among never-smokers (76/1,666 = 4.6%), ex-smokers (30/554 = 5.4%) and current smokers (39/883 = 4.4%) (p = 0.641). In a multivariable analysis, the most important risk factor for asthma onset was allergic rhinitis (OR = 4.00, 95% CI 3.68-4.35). Compared to never-smokers, the risk of asthma onset was slightly increased in ex-smokers (OR = 1.28, 1.09-1.49) but not in current smokers (OR 1.01, 0.66-1.53). Current smoking became a significant predictor only when both new-onset wheezing and new-onset asthma were considered as the outcome (OR = 2.03, 1.35-3.05). Conclusions: In this prospective study, current smoking was not a risk factor for new-onset asthma, unless new-onset wheezing was also considered. The increase in asthma incidence among ex-smokers was likely due to reverse causation.

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Asthma in Childhood Reduces Smoking Initiation in Subsequent Teens Among Males

Cited by 5 publications

References 38 publications

Association between high school students’ cigarette smoking, asthma and related beliefs: a population-based study

Association between high school students’ cigarette smoking, asthma and related beliefs: a population-based study

The risk of respiratory symptoms on allergen exposure increases with increasing specific IgE levels

Smoking and New-Onset Asthma in a Prospective Study on Italian Adults

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