A Longitudinal Study of Electronic Cigarette Use Among a Population-Based Sample of Adult Smokers: Association With Smoking Cessation and Motivation to Quit

Biener, Lois; Hargraves, J. Lee

doi:10.1093/ntr/ntu200

Cited by 311 publications

(337 citation statements)

References 23 publications

(19 reference statements)

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“…Importantly, the quality of the evidence in support of e-cigarettes' effectiveness in helping smokers quit, according to the GRADE system, was again assessed as very low to low (Malas et al, 2016). Considering only studies with a moderate or strong quality score (Malas et al, 2016), 10 studies other than RCTs examined the relationship between e-cigarette use and smoking status in the real world by surveying regular e-cigarette users Goniewicz et al, 2013;Dawkins et al, 2013;Polosa et al, 2014;Adriaens et al, 2014;Adkison et al, 2013;Christensen et al, 2014;Brown et al, 2014;Biener and Hargraves, 2015). Samples in 5 studies were not representative, and results have to be interpreted with caution Lechner et al, 2015;Goniewicz et al, 2013;Dawkins et al, 2013;Polosa et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

“…Another study assessed the effectiveness of e-cigarettes to quit in a representative sample of the English population, and found that e-cigarette users were 60% more likely to report abstinence in comparison to those using no aid or nicotine products over the counter (Brown et al, 2014). The most recent study, a cohort study on a representative sample of adults in 2 US metropolitan areas, found that daily e-cigarette users were 6 times more likely than non-users or triers to report abstinence, whereas non-daily users were 70% less likely to quit compared to non users or triers (Biener and Hargraves, 2015). It is important to highlight that in the sensitivity analysis conducted in one of the two reviews on e-cigarettes' effectiveness, none of differences in study design (longitudinal, cross-sectional) were associated with significantly different results (Kalkhoran and Glantz, 2016).…”

Section: Introductionmentioning

confidence: 99%

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Electronic cigarette use as an aid to quit smoking in the representative Italian population PASSI survey

Gorini

Ferrante

Quarchioni

et al. 2017

Preventive Medicine

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This study explored electronic cigarette (e-cigarette) use as an aid to quit smoking and compared abstinence rates for different quitting methods in a representative sample of the Italian population. In the 2014–2015 PASSI survey, the ongoing Italian behavioural risk factor surveillance system, 6112 adults who smoked and made at least one quit attempt in the previous 12 months, were categorized into three groups according to the method used in their most recent quit attempt: e-cigarette only, no aid, other quitting methods (medications; programmes delivered in smoking cessation services; other unspecified methods). The primary outcome was self-reported abstinence for a period ≥ 6 months, adjusted for potential confounders. Eleven percent used e-cigarettes only, 86% no aid, 3% other quitting methods. Smoking abstinence was reported among 9% of those using no aid; 8% of e-cigarette users; 15% of those using other methods. No significant differences in abstinence were observed for e-cigarette users compared with those reporting no aid (adjusted Prevalence Ratio [aPR] = 0.81; 95%Confidence Interval (CI) = 0.58–1.14). Changing the reference group to e-cigarette users, those using other quitting methods were significantly more likely to report abstinence than e-cigarette users (aPR = 1.76; 95%CI = 1.07–2.88). One out of ten smokers who attempted to quit in 2014–2015 in Italy used e-cigarettes. E-cigarettes users were as likely to report abstinence as those using no aid, but were less likely to report abstinence than users of established quitting methods. Further studies are needed to understand the relationship between e-cigarette types used to quit and abstinence rates

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Electronic cigarette use as an aid to quit smoking in the representative Italian population PASSI survey

Gorini

Ferrante

Quarchioni

et al. 2017

Preventive Medicine

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“…It is important to distinguish established users from non-established users because there is a difference in the reason for e-cigarette initiation in addition to the extent of its use [13]. According to previous studies considering current cigarette smokers, the successful smoking cessation rate was higher among daily or intensive e-cigarette users compared with nondaily or intermittent users [14][15][16]. 2 of 8 The general concept of current e-cigarette use is broadly defined to differentiate experimenters from regular users.…”

Section: Introductionmentioning

confidence: 99%

The Relation between Frequency of E-Cigarette Use and Frequency and Intensity of Cigarette Smoking among South Korean Adolescents

Lee¹,

Lee²,

Cho³

2017

Preprint

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Introduction: The prevalence of adolescent electronic cigarette (e-cigarette) use has increased in most countries. This study aims to determine the relation between the frequency of ecigarette use and the frequency and intensity of cigarette smoking. Additionally, the study evaluates the association between the reasons for e-cigarette use and the frequency of its use. Materials and Methods: Using the 2015 Korean Youth Risk Behavior Web-Based Survey, we included 6655 adolescents with an experience of e-cigarette use who were middle and high school students aged 13-18 years. We compared smoking experience, the frequency and intensity of cigarette smoking, and the relation between the reasons for e-cigarette uses and the frequency of e-cigarette use. Results: The prevalence of e-cigarette ever and current (past 30 days) users were 10.1% and 3.9%, respectively. Of the ever users, approximately 40% used e-cigarettes ≥1 per month and 8.1% used ecigarettes daily. The frequent and intensive cigarette smoking was associated with frequent ecigarette uses. The percentage of frequent e-cigarette users (≥10 days/month) was 3.5% in adolescents who did not smoke within a month, but 28.7% among daily smokers. Additionally, it was 9.1% in smokers who smoked less than 1 cigarette/month, but 55.1% in smokers who smoked ≥20 cigarettes/day. The most common reason for e-cigarette use was curiosity (22.9%), followed by the belief that they are less harmful than conventional cigarettes (18.9%), the desire to quit smoking (13.1%), and the capacity for indoor use (10.7%). Curiosity was the most common reason among less frequent e-cigarette users; however, the desire to quit smoking and the capacity for indoor use were the most common reasons among more frequent users. Conclusions: Results showed a positive relation between frequency or intensity of conventional cigarette smoking and the frequency of ecigarette use among Korean adolescents, and frequency of e-cigarette use differed according to the reason for the use of e-cigarettes.

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“…Stopping the use of ENDS appears to be due to dissatisfaction with products and/or safety concerns. 5,6 It is important to note that findings of this survey may not be reflective of opinions of ENDS users in India.…”

Section: Is Ends An Effective Tool For Smoking Cessation or Reduction?mentioning

confidence: 93%

E-cigarettes: promise or threat?

Nachiappan¹,

Selvavinayagam

2017

Int J Community Med Public Health

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Use of the electronic cigarette or electronic nicotine delivery system (ENDS) is increasing globally. Its vapour delivers nicotine without the 6000 odd chemicals released during cigarette smoking and the associated harm. Experts are divided on whether ENDS promise reduction in tobacco use or threaten tobacco control. This review presents up-to-date evidence. Two trials showed an increase in cessation, but not a reduction in cigarette use. Eight cohort studies showed no increase in cessation, and two cohort studies and a recent trial showed an increased reduction in cigarette use. A US population study showed association between ENDS use and smoking cessation. Nicotine addiction and potential harm to non-smokers who use ENDS are key concerns. Nicotine affects lung and brain development. An increase in accidental poisoning, though mild, is reported in children. No significant short term health effects are reported. When heated, ENDS may emit potential toxic and carcinogenic substances such as aldehydes, acrolein, flavouring agents etc. at very low levels - but their long term impact is not known. ENDS bring potential benefits to smokers, but there are concerns about their potential for nicotine addiction, gateway effect and renormalisation of smoking. However, in the UK and the US, a rise in ENDS use is associated with a fall in the prevalence of smoking. Countries differ in their approach to ENDS. India seems to be edging towards a total ban. India should collect local data and conduct research to monitor the impact and make informed, evidence based decisions, where needed.

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A Longitudinal Study of Electronic Cigarette Use Among a Population-Based Sample of Adult Smokers: Association With Smoking Cessation and Motivation to Quit

Cited by 311 publications

References 23 publications

Electronic cigarette use as an aid to quit smoking in the representative Italian population PASSI survey

Electronic cigarette use as an aid to quit smoking in the representative Italian population PASSI survey

The Relation between Frequency of E-Cigarette Use and Frequency and Intensity of Cigarette Smoking among South Korean Adolescents

E-cigarettes: promise or threat?

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