Do smoking reduction interventions promote cessation in smokers not ready to quit?

Development of transtheoretical model measures for assessing decisional balance and temptation to vape

Introduction: Vaping is common among young adults in the United States. The Transtheoretical Model (TTM) has demonstrated success in smoking cessation efforts; however, it has not been comprehensively applied to vaping cessation, and core TTM vaping measures have not been developed. Method: A cross-sectional survey including measures of stage of change (SOC), temptation to vape, and decisional balance (DCBL) was disseminated (n = 459). Items were adapted from TTM smoking scales. The sample was split for exploratory and confirmatory factor analyses (EFA/CFA). Analyses of variance assessed relationships between constructs and SOC. Results: EFA/CFA resulted in one Temptation scale (CFI = .95; α = .87) and two DCBL scales (CFI = .91; Pros α = .72; Cons α = .72). Temptation to vape and Pros of vaping decreased significantly across SOC, while Cons increased significantly. Conclusions: TTM vaping measures for two key TTM constructs were developed utilizing a college sample. Results suggest that the developed measures map well onto the TTM framework.

Clinical Practice Guideline of Spanish Society of Pneumology and Thoracic Surgery (SEPAR) on Pharmacological Treatment of Tobacco Dependence 2023

INTRODUCTION

There are multiple systematic reviews and meta-analyses on the efficacy and safety of pharmacological treatments against nicotine dependence. However, there are few guidelines to answer frequent questions asked by a clinician treating a smoker. Therefore, the aim of this paper is to facilitate the treatment of tobacco addiction.

MATERIAL AND METHODS

12 PICO questions are formulated from a GLOBAL PICO question: "Efficacy and safety of pharmacological treatment of tobacco dependence". A systematic review was carried out to answer each of the questions and recommendations were made. The GRADE (Grading of Recommendations, Assessment, Development and Evaluation) system was used to grade the certainty of the estimated effects and the strength of the recommendations.

RESULTS

Varenicline, nicotine replacement therapy (NRT), bupropion and cytisine are more effective than placebo. Varenicline and combined nicotine therapy are superior to the other therapies. In smokers with high dependence, a combination of drugs is recommended, being more effective those associations containing varenicline. Other optimization strategies with lower efficacy consist of increasing the doses, the duration, or retreat with varenicline. In specific populations varenicline or NRT is recommended. In hospitalized, the treatment of choice is NRT. In pregnancy it is indicated to prioritize behavioral treatment. The financing of smoking cessation treatments increases the number of smokers who quit smoking. There is no scientific evidence of the efficacy of pharmacological treatment of smoking cessation in adolescents.

CONCLUSIONS

The answers to the 12 questions allow us to extract recommendations and algorithms for the pharmacological treatment of tobacco dependence.

Reengagement for Long-Term Smoking-Cessation In Military Personnel, Retirees, Family Members (TRICARE): A Randomized Trial

INTRODUCTION

We sought to determine what type of treatment reengagement after smoking relapse would increase long-term cessation.

AIMS AND METHODS

Participants were military personnel, retirees, and family members (TRICARE beneficiaries) recruited across the United States from August 2015 through June 2020. At baseline, consented participants (n = 614) received a validated, four-session, telephonic tobacco-cessation intervention with free nicotine replacement therapy. At the 3-month follow-up, 264 participants who failed to quit or relapsed were offered the opportunity to reengage in cessation. Of these, 134 were randomized into three reengagement conditions: (1) repeat initial intervention ("recycle"), (2) Smoking reduction with eventual cessation goal ("rate reduction"), or (3) Choose #1 or #2 ("choice"). Prolonged abstinence and 7-day point prevalence abstinence were measured at 12 months.

RESULTS

Despite being in a clinical trial advertised as having the opportunity for reengagement, only 51% (134 of the 264) of participants who still smoked at 3-month follow-up were willing to reengage. Overall, participants randomized to recycle had higher prolonged cessation rates at 12 months than rate reduction conditions (OR = 16.43, 95% CI: 2.52 to 107.09, Bonferroni adjusted p = .011). When participants who randomly received recycle or rate reduction were pooled, respectively, with participants who chose recycle or rate reduction in the Choice group, recycle had higher prolonged cessation rates at 12 months than rate reduction (OR = 6.50, 95% CI: 1.49 to 28.42, p = .013).

CONCLUSIONS

Our findings suggest service members and their family members who fail to quit smoking but are willing to reengage in a cessation program are more likely to benefit from repeating the same treatment.

IMPLICATIONS

Finding methods that are both successful and acceptable to reengage people who smoke who want to quit can have a significant impact on improving the health of the public by reducing the portion of the population who smoke. This study suggests that repeating established cessation programs will result in more people ready to quit successfully achieving their goal.

Motivational support intervention to reduce smoking and increase physical activity in smokers not ready to quit: the TARS RCT

Background

Physical activity can support smoking cessation for smokers wanting to quit, but there have been no studies on supporting smokers wanting only to reduce. More broadly, the effect of motivational support for such smokers is unclear.

Objectives

The objectives were to determine if motivational support to increase physical activity and reduce smoking for smokers not wanting to immediately quit helps reduce smoking and increase abstinence and physical activity, and to determine if this intervention is cost-effective.

Design

This was a multicentred, two-arm, parallel-group, randomised (1 : 1) controlled superiority trial with accompanying trial-based and model-based economic evaluations, and a process evaluation.

Setting and participants

Participants from health and other community settings in four English cities received either the intervention (n = 457) or usual support (n = 458).

Intervention

The intervention consisted of up to eight face-to-face or telephone behavioural support sessions to reduce smoking and increase physical activity.

Main outcome measures

The main outcome measures were carbon monoxide-verified 6- and 12-month floating prolonged abstinence (primary outcome), self-reported number of cigarettes smoked per day, number of quit attempts and carbon monoxide-verified abstinence at 3 and 9 months. Furthermore, self-reported (3 and 9 months) and accelerometer-recorded (3 months) physical activity data were gathered. Process items, intervention costs and cost-effectiveness were also assessed.

Results

The average age of the sample was 49.8 years, and participants were predominantly from areas with socioeconomic deprivation and were moderately heavy smokers. The intervention was delivered with good fidelity. Few participants achieved carbon monoxide-verified 6-month prolonged abstinence [nine (2.0%) in the intervention group and four (0.9%) in the control group; adjusted odds ratio 2.30 (95% confidence interval 0.70 to 7.56)] or 12-month prolonged abstinence [six (1.3%) in the intervention group and one (0.2%) in the control group; adjusted odds ratio 6.33 (95% confidence interval 0.76 to 53.10)]. At 3 months, the intervention participants smoked fewer cigarettes than the control participants (21.1 vs. 26.8 per day). Intervention participants were more likely to reduce cigarettes by ≥ 50% by 3 months [18.9% vs. 10.5%; adjusted odds ratio 1.98 (95% confidence interval 1.35 to 2.90] and 9 months [14.4% vs. 10.0%; adjusted odds ratio 1.52 (95% confidence interval 1.01 to 2.29)], and reported more moderate-to-vigorous physical activity at 3 months [adjusted weekly mean difference of 81.61 minutes (95% confidence interval 28.75 to 134.47 minutes)], but not at 9 months. Increased physical activity did not mediate intervention effects on smoking. The intervention positively influenced most smoking and physical activity beliefs, with some intervention effects mediating changes in smoking and physical activity outcomes. The average intervention cost was estimated to be £239.18 per person, with an overall additional cost of £173.50 (95% confidence interval -£353.82 to £513.77) when considering intervention and health-care costs. The 1.1% absolute between-group difference in carbon monoxide-verified 6-month prolonged abstinence provided a small gain in lifetime quality-adjusted life-years (0.006), and a minimal saving in lifetime health-care costs (net saving £236).

Conclusions

There was no evidence that behavioural support for smoking reduction and increased physical activity led to meaningful increases in prolonged abstinence among smokers with no immediate plans to quit smoking. The intervention is not cost-effective.

Limitations

Prolonged abstinence rates were much lower than expected, meaning that the trial was underpowered to provide confidence that the intervention doubled prolonged abstinence.

Future work

Further research should explore the effects of the present intervention to support smokers who want to reduce prior to quitting, and/or extend the support available for prolonged reduction and abstinence.

Trial registration

This trial is registered as ISRCTN47776579.

Funding

This project was funded by the National Institute for Health Research (NIHR) Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 27, No. 4. See the NIHR Journals Library website for further project information.

Effectiveness of personalized tobacco cessation intervention package among patients with schizophrenia and related psychotic disorders - A two-group experimental study

INTRODUCTION

Persons with schizophrenia and related psychotic disorders (PwS) smoke more, and have twice the rate of mortality, with 10-25 years lower life expectancy than the general population. Evidence-based tobacco cessation interventions would help in quitting.

AIM

To evaluate the effectiveness of a personalized tobacco cessation intervention package for patients attending the outpatient psychiatry department.

METHODS

The study adopted a two-group experimental design in PwS, using a simple randomization method. Eligible participants were randomly allocated to either the intervention group (n = 85) receiving the intervention package or the control group (n = 85) receiving brief advice to stop tobacco. The study outcomes were measured at baseline, 1, 3, and 6 months. SPSS 23 was used for data analysis. Intention-to-treat analysis was used to manage missing data. The p-value of < 0.05 is considered statistically significant.

RESULTS

At 6 months, there was a significant difference (p < 0.001) in 7 days point-prevalence abstinence (28 % vs 10.8 %), reduction of tobacco by at least 50 % (62.4 % vs 40.9 %) with an attrition rate of 15.3 % vs 30.5 % in intervention and control group respectively. Reduction in nicotine dependence and tobacco craving, an increase in motivation level, quit attempts and clinical improvement favored the intervention group. 16.5 % of participants expressed interest in pharmacotherapy for tobacco cessation, 3.5 % were referred to a specialized tobacco cessation center, two control group participants were hospitalized for drug default, and withdrawal symptoms reported were mild.

CONCLUSION

Implementing a tobacco cessation intervention based on the stage of motivation aids in abstinence and reduction of tobacco use in PwS.

Planning a Change Easily (PACE) for smokers who are not ready to quit: a telephone-based, randomized controlled trial

AIMS

To compare brief advice (BA), motivational interviewing (MI), rate reduction (RR), and combined MI and RR (MI + RR) to promote smoking cessation in smokers not ready to quit.

DESIGN

Randomized controlled trial with four parallel groups of smoking cessation intervention. Participants were randomly assigned 1:2:2:2 to receive one of the following interventions: BA (n = 128), MI (n = 258), RR (n = 257), and MI + RR (n = 260).

SETTING

The United States. All participant contact occurred over the telephone to be consistent with the typical quit line format.

PARTICIPANTS

A total of 903 adult smokers. Participants had a mean age of 49 (SD = 13.3) years and were 28.9% male and 63.3% Caucasian.

INTERVENTIONS

The BA group received advice similar to typical smoking cessation quit lines. The MI group received advice using basic MI principles to elicit language that indicates behavioral change. The RR group received behavioral skills training and nicotine gum. The MI + RR group combined elements of MI and RR conditions. All interventions were six sessions.

MEASUREMENTS

The primary outcome measure was self-reported point prevalence at 12 months. The secondary outcome was self-reported prolonged abstinence at 12 months.

FINDINGS

Intention to treat (ITT) point prevalence at 12 months indicated that BA (10.9%) had significantly lower point prevalence rates than RR (27.2%, OR = 3.17, 1.69-5.94), and MI + RR (26.9%, OR = 3.16, 1.68-5.93). BA did not have a significantly lower point prevalence rate than MI (15.5%, OR = 1.56, 95% CI = 0.81-3.02).

CONCLUSIONS

This randomized controlled trial provided evidence that rate reduction, which offers structured behavioral skills and nicotine gum, either alone or combined with motivational interviewing, is the most effective form of cessation intervention for smokers not ready to quit.

A cluster randomized controlled trial for a multi-level, clinic-based smoking cessation program with women in Appalachian communities: study protocol for the "Break Free" program

BACKGROUND

The cervical cancer burden is high among women living in Appalachia. Cigarette smoking, a cervical cancer risk factor, is also highly prevalent in this population. This project aims to increase smoking cessation among women living in Appalachia by embedding a smoking cessation program within a larger, integrated cervical cancer prevention program.

METHODS

The broader program, the Take CARE study, is a multi-site research collaborative designed to address three risk factors for cervical cancer incidence and mortality: tobacco use, human papillomavirus (HPV) infection, and cervical cancer screening. Break Free is a primary care clinic-based implementation program that aims to promote smoking cessation among female smokers in Appalachia by standardizing clinical practice protocols. Break Free includes: (1) implementation of a tobacco user identification system in the Electronic Health Record, (2) clinic staff and provider training on the Ask, Advise and Refer (AAR) model, (3) provider implementation of AAR to identify and treat women who want to quit smoking within the next 6 months, (4) facilitated access to cessation phone counseling plus pharmacotherapy, and (5) the bundling of Break Free tobacco cessation with HPV vaccination and cervical cancer screening interventions in an integrated approach to cervical cancer prevention. The study spans 35 Appalachian health clinics across 10 healthcare systems. We aim to enroll 51 adult female smokers per health system (total N = 510). Baseline and follow-up data will be obtained from participant (provider and patient) surveys. The primary outcome is self-reported 12-month point prevalence abstinence among enrolled patients. All randomized patients are asked to complete follow-up surveys, regardless of whether they participated in tobacco treatment. Data analysis of the primary aims will follow intent-to-treat methodology. Secondary outcomes will assess program implementation and cost effectiveness.

DISCUSSION

Addressing high tobacco use rates is critical for reducing cervical cancer morbidity and mortality among women living in Appalachia. This study evaluates the implementation and effectiveness of a smoking cessation program in increasing smoking cessation among female smokers. If results demonstrate effectiveness and sustainability, implementation of this program into other health care clinics could reduce both rates of smoking and cervical cancer. Trial registration NCT04340531 (April 9, 2020).

Practice Quit Attempts: Scoping Review of a Novel Intervention Strategy

OBJECTIVE

Fostering practice quit attempts (PQAs)--that is, attempts to not smoke for a few hours or days, without pressure to permanently quit--represents a potential means to engage more individuals who smoke in efforts to change their smoking. However, little is known about interventions designed to foster PQAs. We aimed to identify the available evidence on PQA-focused intervention strategies and their impact on quit attempt and cessation outcomes.

METHOD

We conducted a scoping review of behavioral and pharmacological treatment studies targeting PQAs among adult cigarette smokers.

RESULTS

The systematic literature search yielded 3,879 articles, and the full-text review was narrowed to 86. Twenty-three studies were deemed relevant, and 5 were added through other sources, yielding 28 studies total. Fifteen studies included behavioral intervention techniques focused on the development and rehearsal of individualized coping skills, whereas eight studies provided brief advice/instruction. More than half of the PQA-focused interventions incorporated sampling of nicotine replacement products, through either guided or ad lib use. Five studies reported on PQA-focused digital health interventions that prompted brief abstinence challenges. Of eight large-scale controlled trials, six demonstrated an increase in quit attempt and cessation outcomes among the PQA-focused intervention group.

CONCLUSIONS

Fostering PQAs through behavioral and pharmacological interventions offers a promising technique for cessation induction that warrants future research.

Association of e-Cigarette Use With Discontinuation of Cigarette Smoking Among Adult Smokers Who Were Initially Never Planning to Quit

IMPORTANCE

Cigarette smokers not planning to quit are often overlooked in population studies evaluating the risk-benefit potential of electronic nicotine delivery products (e-cigarettes).

OBJECTIVE

To evaluate whether e-cigarette use is associated with discontinuing cigarette smoking among smokers who were initially never planning to quit.

DESIGN, SETTING, AND PARTICIPANTS

This cohort study used US nationally representative data from the longitudinal Population Assessment of Tobacco and Health Study (waves 2-5 conducted between October 2014 and November 2019), with participants evaluated in 3 pairs of interviews. Adult daily cigarette smokers initially not using e-cigarettes and with no plans to ever quit smoking for good (2489 observations from 1600 individuals) were included.

EXPOSURES

e-Cigarette use (ie, daily use, nondaily use, or no use) at follow-up interview among smokers not using e-cigarettes at baseline interview.

MAIN OUTCOMES AND MEASURES

The main outcomes were discontinuation of cigarette smoking (ie, no cigarette smoking) and discontinuation of daily cigarette smoking (ie, no daily cigarette smoking) at follow-up interview. Generalized estimating equations were used to evaluate the association between the exposure and each outcome, controlling for demographic characteristics and cigarettes smoked per day at baseline interview; all estimates were weighted.

RESULTS

The weighted population of adult daily cigarette smokers who were not using e-cigarettes and had no plans to ever quit smoking, based on data from 1600 participants, was 56.1% male (95% CI, 53.4%-58.7%), 10.1% Hispanic (95% CI, 8.2%-12.3%), 10.1% non-Hispanic Black (95% CI, 8.7%-11.7%), 75.6% non-Hispanic White (95% CI, 72.9%-78.2%), and 4.2% of other non-Hispanic race (95% CI, 3.3%-5.4%); 29.3% were aged 55 to 69 years (95% CI, 26.2%-32.6%), 8.9% were aged 70 years or older (95% CI, 6.8%-11.5%), 36.8% did not graduate from high school (95% CI, 34.1%-39.6%), 55.2% had an annual household income of less than $25 000 (95% CI, 52.3%-58.1%), 37.6% smoked 20 to 29 cigarettes per day (95% CI, 34.7%-40.6%), and 12.7% smoked 30 or more cigarettes per day (95% CI, 10.9%-14.7%). Overall, 6.2% of the population (95% CI, 5.0%-7.5%) discontinued cigarette smoking. Discontinuation rates were higher among those who used e-cigarettes daily (28.0%; 95% CI, 15.2%-45.9%) compared with not at all (5.8%; 95% CI, 4.7%-7.2%; adjusted odds ratio [aOR], 8.11; 95% CI, 3.14-20.97). Furthermore, 10.7% (95% CI, 9.1%-12.5%) discontinued daily cigarette smoking, with higher rates of discontinuation observed among those who used e-cigarettes daily (45.5%; 95% CI, 27.4%-64.9%) compared with not at all (9.9%; 95% CI, 8.2%-11.8%; aOR, 9.67; 95% CI, 4.02-23.25). Nondaily e-cigarette use was not associated with cigarette discontinuation (aOR, 0.53; 95% CI, 0.08-3.35) or daily cigarette discontinuation (aOR, 0.96; 95% CI, 0.44-2.09).

CONCLUSIONS AND RELEVANCE

In this cohort study, daily e-cigarette use was associated with greater odds of cigarette discontinuation among smokers who initially had no plans to ever quit smoking. These findings support the consideration of smokers who are not planning to quit when evaluating the risk-benefit potential of e-cigarettes for smoking cessation in the population.

Evaluating four motivation-phase intervention components for use with primary care patients unwilling to quit smoking: a randomized factorial experiment

AIMS

To assess the effectiveness of intervention components designed to increase quit attempts and promote abstinence in patients initially unwilling to quit smoking.

DESIGN

A four-factor, randomized factorial experiment.

SETTING

Sixteen primary care clinics in southern Wisconsin.

PARTICIPANTS

A total of 577 adults who smoke (60% women, 80% White) recruited during primary care visits who were currently willing to reduce their smoking but unwilling to try to quit. Interventions Four factors contrasted intervention components administered over a 1-year period: (i) nicotine mini-lozenge versus none; (ii) reduction counseling versus none; (iii) behavioral activation (BA) counseling versus none; and (iv) motivational 5Rs counseling versus none. Participants could request cessation treatment at any time.

MEASUREMENTS

The primary outcome was 7-day point-prevalence abstinence at 52 weeks post enrollment; secondary outcomes were point-prevalence abstinence at 26 weeks and making a quit attempt by weeks 26 and 52.

FINDINGS

No abstinence main effects were found but a mini-lozenge × reduction counseling × BA interaction was found at 52 weeks; P = 0.03. Unpacking this interaction showed that the mini-lozenge alone produced the highest abstinence rate (16.7%); combining it with reduction counseling produced an especially low abstinence rate (4.1%). Reduction counseling decreased the likelihood of making a quit attempt by 52 weeks relative to no reduction counseling (P = 0.01).

CONCLUSIONS

Nicotine mini-lozenges may increase smoking abstinence in people initially unwilling to quit smoking, but their effectiveness declines when used with smoking reduction counseling or other behavioral interventions. Reduction counseling decreases the likelihood of making a quit attempt in people initially unwilling to quit smoking.

Associations Between Smoking Status and Physical and Mental Health-Related Quality of Life Among Individuals With Mobility Impairments

BACKGROUND

In the general population, quitting smoking is associated with improved health-related quality of life (QoL), but this association has not been examined in smokers with chronic mobility impairments (MIs).

PURPOSE

We examined associations between smoking status and health-related QoL over 6 months, and whether relationships are moderated by depression and MI severity.

METHODS

This is a secondary analysis of a smoking cessation induction trial among smokers with MIs (n = 241, 56% female, 36% Black) assessed at baseline, and 4 and 6 months after. Participants were grouped into "Smokers" (smoking at 4 and 6 months), "Abstainers" (quit at 4 and 6 months), "Relapsers" (relapsed at 6 months), and "Late-quitters" (quit at 6 months). Physical and mental health-related QoL was assessed with the Short-Form Health Survey. Depression was defined as scores ≥10 on the Patient Health Questionnaire, and MI severity by the use of skilled care for personal needs. Data were analyzed with linear mixed models.

RESULTS

Aggregating across time, among nondepressed participants, compared with "Smokers," the "Abstainer," and "Late-quitter" groups improved their physical health scores. "Late-quitters" also improved compared with "Relapsers." Among the total sample, compared with "Smokers," "Abstainers" showed improvements in mental health scores overtime, whereas "Relapsers" improved their score at 4 months, and "Late-quitters" improved at 6 months.

CONCLUSIONS

Quitting smoking is associated with improvements in physical health-related QoL regardless of the severity of MI but only among those without depression at baseline. For mental health-related QoL, associations with quitting smoking were independent of baseline depression and severity of MI.

Reach versus effectiveness: The design and protocol of randomized clinical trial testing a smartphone application versus in-person mindfulness-based smoking cessation intervention among young cancer survivors

Approximately 45% of young cancer survivors (18-40 years) are cigarette smokers. Continued smoking after cancer diagnosis leads to lower survival rates. A major logistical problem with smoking cessation efforts in this group is their geographic dispersion which makes them hard to reach. In addition, depression is a major predictor of smoking relapse and its rates are roughly twice as high in cancer survivors as the general population. Smartphone applications (apps) show promise in terms of efficacy, dissemination, and improving access to treatment. Mindfulness training (defined as maintaining attention on one's immediate experience and cultivating an attitude of acceptance toward this experience) is effective in improving smoking cessation outcomes by reducing psychological stress and controlling craving. Given that smartphone apps can address the issues of mobility and remote access, and mindfulness can address the high depression rate among cancer survivors, validating the feasibility and efficacy of a mindfulness-based smoking cessation intervention app in young cancer survivors is a high priority. Thus, the aims of the current study are: (1) test the feasibility, acceptability, and potential efficacy of the mindfulness-based smoking cessation app versus in-person mindfulness or usual care in a 3-arm pilot randomized clinical trial among young cancer survivors (n = 60; 18-40 years); and 2) conduct semi-structured exit interviews with participants in the two mindfulness groups to fine-tune the two active interventions based on feedback from participants. Findings will have implications for the development and dissemination of innovative and highly scalable tobacco cessation interventions designed for young cancer survivors.

Randomised pilot trial of cash incentives for reducing paediatric asthmatic tobacco smoke exposures from maternal caregivers and members of their social network

BACKGROUND

The primary aim was to evaluate the efficacy of financial incentives for reducing paediatric tobacco smoke exposures (TSEs) through motivating cigarette usage reduction among low-income maternal caregivers and members of their social network.

DESIGN

Randomised control pilot trial over a 6-month study follow-up time period. The study was undertaken from May 2017 to -May 2018. Once monthly follow-up visits occurred over the 6-month study period.

SETTING

Baltimore City, Maryland, USA.

PARTICIPANTS

We grouped 135 participants into 45 triads (asthmatic child (2-12 years of age), maternal caregiver and social network member). Triads were assigned in a 1:1 allocation ratio. The maternal caregiver and social network members were active smokers and contributed to paediatric TSE.

INTERVENTIONS

Triads were randomised to receive either usual care (TSE education and quitline referrals) or usual care plus financial incentives. Cash incentives up to $1000 were earned by caregivers and designated social network participants. Incentives for either caregivers or social network participants were provided contingent on their individual reduction of tobacco usage measured by biomarkers of tobacco usage. Study visits occurred once a month during the 6-month trial.

MAIN OUTCOME MEASURES

The main outcome measure was mean change in monthly paediatric cotinine levels over 6 months of follow-up interval and was analysed on an intention-to-treat basis.

RESULTS

The mean change in monthly child cotinine values was not significantly different in the intervention cohort over the 6-month follow-up period, compared with the control group (p=0.098, CI -0.16 to 1.89). Trends in child cotinine could not be ascribed to caregivers or social network members. Despite decreasing mean monthly cotinine values, neither the intervention cohort's caregivers (difference in slope (control-intervention)=3.30 ng/mL/month, CI -7.72 to 1.13, p=0.144) or paired social network members (difference in slope (control-intervention)=-1.59 ng/mL/month, CI -3.57 to 6.74, p=0.546) had significantly different cotinine levels than counterparts in the control group.

CONCLUSIONS

Financial incentives directed at adult contributors to paediatric TSE did not decrease child cotinine levels.

TRIAL REGISTRATION NUMBER

NCT03099811.

Knowledge, attitude, and implementation of nicotine replacement therapy by dental and medical interns in Davangere city: A cross-sectional survey

Background:

One of the prime causes of illness and premature death is smoking. Almost 50% of smokers attempt to quit the habit; however, at most, 2%–3% achieve success. The rationale is that innumerable withdrawal attempts are unplanned, and the most effective cessation aids are unacquainted. Nicotine replacement therapy (NRT) is the most common cessation aid. Furthermore, motivation from dental and medical professionals can be effective for patients to quit smoking. The study aimed to assess the knowledge, attitude, and practice regarding the implementation of NRT among dental and medical interns in Davangere city.

Materials and Methods:

A questionnaire-based survey was conducted, which included 442 dental and medical interns from two dental and two medical colleges in Davangere city, Karnataka. The questionnaire included multiple-choice questions regarding knowledge, attitude, and implementation of NRT. The response rate of interns was 93.67%.

Results:

Among dental and medical interns, there was no statistically significant difference in knowledge about NRT with P = 0.976 (P > 0.05). However, a statistically significant difference existed regarding attitude and implementation in the interns about NRT among dental and medical interns with P = 0.001 (P < 0.05). Among dental and medical interns, dental interns had a positive attitude and implementation toward NRT than medical interns.

Conclusion:

The overview implicated that the dental interns had better vision than medical interns; however, both the groups' comprehension concerning NRT is scanty and advocates education about the fundamentals of NRT either via workshop or by continuing dental education programs.

Exploratory Analyses of the Popularity and Efficacy of Four Behavioral Methods of Gradual Smoking Cessation

INTRODUCTION

Around half of smokers attempt to stop by cutting-down first. Evidence suggests that this results in similar quit rates to abrupt quitting. Evidence for the effectiveness and popularity of different gradual cessation methods is sparse.

METHODS

Secondary, exploratory, analyses of a randomized trial of gradual versus abrupt smoking cessation. Gradual participants (N = 342) chose between four methods of cutting-down over 2 weeks: cutting-out the easiest cigarettes first (HR-E); cutting-out the most difficult cigarettes first (HR-D); smoking on an increasing time schedule (SR); and not smoking during particular periods (SFP). Nicotine replacement therapy and behavioral support were provided before and after quit day. We used logistic and linear regression modeling to test whether the method chosen was associated with smoking reduction, quit attempts, and abstinence, while adjusting for potential confounders.

RESULTS

Participants were on average 49 years old, smoked 20 cigarettes per day, and had a Fagerstrom Test for Cigarette Dependence score of 6. 14.9% (51/342) chose HR-E, 2.1% (7/342) HR-D, 46.2% (158/342) SFP, and 36.8% (126/342) SR. We found no evidence of adjusted or unadjusted associations between method and successful 75% reduction in cigarette consumption, reduction in percentage cigarettes per day or exhaled carbon monoxide, quit attempts, or abstinence at 4-week or 6-month follow-up.

CONCLUSIONS

Future research and practice could focus more heavily on the SR and SFP methods as these appeared notably more popular than HR. There was substantial imprecision in the efficacy data, which should be treated with caution; however, none of the gradual cessation methods showed clear evidence of being more efficacious than others.

IMPLICATIONS

There is evidence that people who would like to quit smoking gradually should be supported to do so. However, as this is relatively new thinking and there is large potential for variation in methods, guidance on the best way to offer support is sparse. This article is an exploratory analysis of the popularity and efficacy of various methods in an attempt to move the topic forward and inform the implementation of gradual smoking cessation methods in practice. The identified popularity of some methods over others signposts directions for future research.

Targeting Nonsmokers to Help Smokers Quit: Features of a Large-scale Intervention

Smoking continues to be a major public health problem, despite a substantial decline in prevalence rates over the last decades. Quit smoking interventions typically target smokers, whether through individual or group treatment or through broader public health campaigns. Yet, nonsmokers represent a vast and largely untapped resource to help smokers quit. This article describes an innovative approach that targeted nonsmokers through a media-style campaign with repeated reminders about smoking cessation. We tested the nonsmoker intervention in a large randomized trial and showed it to be effective in helping smokers quit. Components of the intervention included repeated mailings with relevant cessation messages over a 10-week period, 2 brief check-in telephone calls, and access to a study Web site. In this article, we discuss details of the intervention development, content, and implementation.

An Evaluation of the Process and Quality Improvement Measures of the University of Virginia Cancer Center Tobacco Treatment Program

Tobacco use after a cancer diagnosis can increase risk of disease recurrence, increase the likelihood of a second primary cancer, and negatively impact treatment efficacy. The implementation of system-wide comprehensive tobacco cessation in the oncology setting has historically been low, with over half of cancer clinicians reporting that they do not treat or provide a referral to cessation resources. This quality improvement study evaluated the procedures for assessing and documenting tobacco use among cancer survivors and referring current smokers to cessation resources at the University of Virginia Cancer Center. Process mapping revealed 20 gaps across two major domains: electronic health record (EHR), and personnel barriers. The top identified priority was inconsistent documentation of tobacco use status as it impacted several downstream gaps. Eleven of the 20 gaps were deemed a high priority, and all were addressed during the implementation of the resulting Tobacco Treatment Program. Prioritized gaps were addressed using a combination of provider training, modifications to clinical workflow, and EHR modifications. Since implementation of solutions, the number of unique survivors receiving cessation treatment has increased from 284 survivors receiving cessation support during Year 1 of the initiative to 487 in Year 3. The resulting Tobacco Treatment Program provides a systematic, personalized, and sustainable comprehensive cessation program that optimizes the multifaceted workflow of the Cancer Center and has the potential to reduce tobacco use in a population most in need of cessation support.

Should cigarette pack sizes be capped?

BACKGROUND

Very few countries regulate maximum cigarette pack size. Larger, non-standard sizes are increasingly being introduced by the tobacco industry. Larger portion sizes increase food consumption; larger cigarette packs may similarly increase tobacco consumption. Here we consider the evidence for legislation to cap cigarette pack size to reduce tobacco-related harm.

AIMS AND ANALYSIS

We first describe the regulations regarding minimum and maximum pack sizes in the 12 countries that have adopted plain packaging legislation and describe the range of sizes available. We then discuss evidence for two key assumptions that would support capping pack size. First, regarding the causal nature of the relationship between pack size and tobacco consumption, observational evidence suggests that people smoke fewer cigarettes when using smaller packs. Secondly, regarding the causal nature of the relationship between reducing consumption and successful cessation, reductions in number of cigarettes smoked per day are associated with increased cessation attempts and subsequent abstinence. However, more experimental evidence is needed to infer the causal nature of these associations among general populations of smokers.

CONCLUSION

Cigarette pack size is positively associated with consumption and consumption is negatively associated with cessation. Based on limited evidence of the causal nature of these associations, we hypothesize that government regulations to cap cigarette pack sizes would positively contribute to reducing smoking prevalence.

Cigarette Affordability and Cigarette Consumption among Adult and Elderly Chinese Smokers: Evidence from A Longitudinal Study

China is in the midst of an epidemic of non-communicable diseases (NCDs), which has increasingly accounted for a growing share of disease burden, due in part to China's ongoing rapid socioeconomic changes and population aging. Smoking, the second leading health risk factors associated with NCDs in China, disproportionately affects the old population more than their younger counterparts. Using survey data from the China Health and Retirement Longitudinal Study (CHARLS), this study evaluated the impact of changes in cigarette affordability on smoking behavior among middle-aged and elderly (age 45 and older) smokers. Self-reported cigarette price and disposable income were used to calculate cigarette affordability. Cigarette consumption was measured using the number of cigarettes smoked per day reported by the survey respondents. The correlation between cigarette affordability and cigarette consumption was estimated using generalized estimating equations adjusting for demographics, socioeconomic status, geolocations, and cigarette price tiers, as well as year fixed effects. The estimated overall conditional cigarette affordability elasticity of demand was -0.165, implying a 10% decrease in cigarette affordability would result in a reduction in cigarette consumption by 1.65%. The cigarette affordability responsiveness differs by demographics, socioeconomic status, geolocations, and cigarette price tiers. This study provides evidence that tax/price policies that reduce cigarette affordability could lead to a decrease in cigarette consumption among middle-aged and elderly smokers in China. Smoke-free laws, as well as minimum price regulations, may be needed to compliment excise tax policy to target specific smoking subgroups whose cigarette consumption is less sensitive to changes in cigarette affordability.

Effect of Intensive Personalized "5As+5Rs" Intervention on Smoking Cessation in Hospitalized Acute Coronary Syndrome Patients Not Ready to Quit Immediately: A Randomized Controlled Trial

Introduction

The acute coronary syndrome (ACS) patients who are not ready to quit smoking immediately have an extremely low rate of cessation. This study aims to investigate the efficacy of intensive personalized '5As+5Rs'intervention (IPANR intervention) on smoking cessation in this population.

Methods

A parallel-group randomized controlled trial was carried out, which compared IPANR intervention with routine 5Rs (control) at Fu Xing Hospital, Capital Medical University, Bei Jing, China. Three hundred and twenty hospitalized ACS smokers who were not ready to quit were randomly distributed to IPANR intervention group comprising three individual counseling during hospitalization and 15 intensive follow-up sessions (weekly during months 1, 2, 3, and monthly thereafter until month 6) or 5Rs group in a 1:1 fashion by 8 cardiologists who were blinded to the allocation sequence. Primary end point was carbon monoxide-confirmed continuous abstinence rate (CAR) through week 9 to week 12. Secondary outcome included abstinence rate at 24 weeks.

Results

Overall, 97.5% (312/320) participants completed the trial. An intention-to-treat analysis showed statistically significant advantage of IPANR compared with control group at 4 weeks CAR (27.5% vs. 17.5%, RR = 1.571, 95% CI = 1.032-2.392, p = 0.032, number needed to treat (NNT) = 10), and abstinence rate at 24 weeks (23.8% vs.15.0%, RR 1.583, 95% CI = 0.998-2.512, p = 0.048, NNT: 11.36). At 24 weeks, cigarettes smoked per day by the patients who failed to quit were significant lower in IPANR group than 5Rs group (13.21 ± 8.23 vs. 17.45 ± 10.71; p < 0.001).

Conclusions

The IPANR initiated during hospitalization, is a feasible and effective approach for smoking cessation in ACS patients not ready to quit immediately.

Implications

Smoking has a major impact on acute stages of ACS for recurrent ischemic events and long-term outcomes. However, there are few evidence-based treatments for smokers who are not ready to quit. This study described a cessation intervention initiated during hospitalization and included 15 intensive follow-up aimed at enabling ACS smokers who were not ready to quit immediately to deliver adequate motivational and behavior change counseling. Given its effectiveness demonstrated in this prospective study, this intervention in hospitalized ACS smokers might have the potential to substantially improve the cessation rate of ACS patients who are not ready to quit smoking immediately.

Health checks and cardiovascular risk factor values over six years' follow-up: Matched cohort study using electronic health records in England

BACKGROUND

The National Health Service (NHS) in England introduced a population-wide programme for cardiovascular disease (CVD) prevention in 2009, known as NHS Health Checks. This research aimed to measure the cardiovascular risk management and cardiovascular risk factor outcomes of the health check programme during six years' follow-up.

METHODS AND FINDINGS

A controlled interrupted time series study was conducted. Participants were registered with general practices in the Clinical Practice Research Datalink (CPRD) in England and received health checks between 1 April 2010 and 31 December 2013. Control participants, who did not receive a health check, were matched for age, sex, and general practice. Outcomes were blood pressure, body mass index (BMI), smoking, and total cholesterol (TC) and high-density lipoprotein cholesterol (HDL). Analyses estimated the net effect of health check by year, allowing for the underlying trend in risk factor values and baseline differences between cases and controls, adjusting for age, sex, deprivation, and clustering by general practice. There were 127,891 health check participants and 322,910 matched controls. Compared with controls, health check participants had lower BMI (cases mean 27.0, SD 4.8; controls 27.3, SD 5.6, Kg/m2), systolic blood pressure (SBP) (cases 129.0, SD 14.3; controls 129.3, SD 15.0, mm Hg), and smoking (21% in health check participants versus 27% in controls), but total and HDL cholesterol were similar. Health check participants were more likely to receive weight management advice (adjusted hazard ratio [HR] 5.03, 4.98 to 5.08, P < 0.001), smoking cessation interventions (HR 3.20, 3.13 to 3.27, P < 0.001), or statins (HR 1.24, 1.21 to 1.27, P < 0.001). There were net reductions in risk factor values up to six years after the check for BMI (-0.30, -0.39 to -0.20 Kg/m2, P < 0.001), SBP (-1.43, -1.70 to -1.16 mm Hg, P < 0.001), and smoking (17% in health check participants versus 25% in controls; odds ratio 0.90, 0.87 to 0.94, P < 0.001). The main study limitation was that residual confounding may be present because randomisation was not employed; health check-associated measurement introduced differential recording that might cause bias.

CONCLUSIONS

Our results suggest that people who take up a health check generally have lower risk factor values than controls and are more likely to receive risk factor interventions. Risk factor values show net reductions up to six years following a health check in BMI, blood pressure, and smoking, which may be of public health importance.

Effects of motivation phase intervention components on quit attempts in smokers unwilling to quit: A factorial experiment

BACKGROUND

Smoking reduction treatment is a promising approach to increase abstinence amongst smokers initially unwilling to quit. However, little is known about which reduction treatment elements increase quit attempts and the uptake of cessation treatment amongst such smokers.

METHODS

This study is a secondary analysis of a 4-factor randomized factorial experiment conducted amongst primary care patients (N = 517) presenting for regular healthcare visits in Southern Wisconsin who were unwilling to quit smoking but willing to cut down. We evaluated the main and interactive effects of Motivation-phase intervention components on whether participants: 1) made a quit attempt (intentional abstinence ≥24 h) by 6- and 26-weeks post-study enrollment and, 2) used cessation treatment. We also evaluated the relations of quit attempts with abstinence. The four intervention components evaluated were: 1) Nicotine Patch vs. None; 2) Nicotine Gum vs. None; 3) Motivational Interviewing (MI) vs. None; and 4) Behavioral Reduction Counseling (BR) vs. None. Intervention components were administered over 6 weeks, with an option to repeat treatment; participants could request cessation treatment at any point.

RESULTS

Nicotine gum significantly increased the likelihood of making a quit attempt by 6 weeks (23% vs. 15% without gum; p < .05). Conversely, nicotine patch reduced quit attempts when used with BR. Patch also discouraged use of cessation treatment (15.8% vs. 23% without patch; p < .05). Aided vs. unaided quit attempts produced abstinence in 42% vs. 10% of participants, respectively.

CONCLUSION

Nicotine gum is a promising Motivation-phase intervention that may spur quit attempts amongst smokers initially unwilling to quit.

Multi-method assessment of distress tolerance and smoking-related factors among adult daily smokers

Although distress tolerance (DT) is associated with smoking lapse and relapse outcomes, few studies have conducted a rigorous assessment of DT across domain and method in the context of acute abstinence. In a human laboratory-based study of 106 adult daily smokers, we examined between multiple indices of DT and smoking lapse, withdrawal processes, and motivation to quit. We expected that low DT would be associated with shorter latency to smoke, greater withdrawal severity, and lower motivation to quit. Following a smoking abstinence period (≥ 6 hr deprived), participants completed an assessment battery including both behavioral (mirror-tracing, serial addition, cold pressor, and breath-holding tasks) and self-report measures of DT (general and smoking-specific), withdrawal processes (craving, negative affect, and positive affect), and motivation to quit. Latency to smoke (range = 0-50 min) was assessed in a laboratory analogue task in which delaying smoking was monetarily rewarded. Behavioral and self-report DT indices displayed only modest intercorrelations, indicating different facets of this construct by domain and method of assessment. Tolerance of physical pain was uniquely associated with smoking choice. Both self-report DT measures were associated with abstinence-induced increases in negative affect, while only smoking-specific DT was positively associated with craving. Results are discussed within the context of guiding targeted behavioral interventions. (PsycINFO Database Record (c) 2019 APA, all rights reserved).

Fit & quit: An efficacy trial of two behavioral post-cessation weight gain interventions

While smoking cessation leads to significant improvements in both mortality and morbidity, post-cessation weight gain partially attenuates this benefit. Even though post-cessation weight gain is small (4.7 kg on average), it is a stated reason to delay cessation attempts and is associated with smoking relapse. Fit & Quit is a randomized, controlled efficacy trial that aims to examine the ability of a weight stability intervention and a weight loss intervention to reduce post-cessation weight gain. For this purpose, Fit & Quit will randomize participants to three conditions: (a) Small Changes, a weight gain prevention intervention; (b) Look AHEAD Intensive Lifestyle Intervention; and (c) a lower-intensity bibliotherapy intervention. All conditions will receive a highly efficacious behavioral (i.e., rate reduction skills, motivational interviewing) and pharmacological (i.e., varenicline) smoking cessation program. A total of 400 participants will be recruited and randomized to the three interventions. Participants will be recruited in waves, with 10 waves of approximately 40 participants per wave. The primary outcomes of this study include post-cessation weight gain and cessation status at 12-month follow-up. Fit & Quit will integrate and adapt the strongest evidence-based interventions available for weight management and smoking cessation. Fit & Quit is highly innovative in the areas of the target population, study design, and use of technology. For these reasons, we expect that Fit & Quit will make a significant public health contribution to curtailing the important cessation barrier of post-cessation weight gain.

Implementing multiple health behaviour change interventions for cardiovascular risk reduction in primary care: a qualitative study

Background

The implementation of multiple health behaviour change interventions for cardiovascular risk reduction in primary care is suboptimal. This study aimed to identify barriers and facilitators to implementing multiple health behaviour change interventions for cardiovascular disease (CVD) risk reduction in primary care.

Methods

Qualitative study using semi-structured interviews informed by the Theoretical Domains Framework. Interviews were conducted with a purposive sample of healthcare professionals working in the implementation of the NHS Health Check programme in London. Data were analysed using the Framework method.

Results

Thirty participants were recruited including ten general practitioners, ten practice nurses, seven healthcare assistants and three practice managers from 23 practices. Qualitative analysis identified three main themes: healthcare professionals’ conceptualising health behaviour change; delivering multiple health behaviour change interventions in primary care; and delivering the health check programme. Healthcare professionals generally recognised the importance of health behaviour change for CVD risk reduction but were more sceptical about the potential for successful intervention through primary care. Participants identified the difficulty of sustained behaviour change for patients, the lack of evidence for effective interventions and limited access to appropriate resources in primary care as barriers. Discussing changing multiple health behaviours was perceived to be overwhelming for patients and difficult to implement for healthcare professionals with current primary care resources. The health check programme consists of several components that are difficult to fully complete in limited time.

Conclusions

Advancing the prevention agenda will require strategies to support the delivery of behaviour change interventions in primary care. Greater emphasis needs to be given to promoting behaviour change through supportive environmental context. Further research is needed to evaluate current external lifestyle services to improve the intervention outcomes.

Electronic supplementary material

The online version of this article (10.1186/s12875-018-0860-0) contains supplementary material, which is available to authorized users.

Recommendations for the Appropriate Structure, Communication, and Investigation of Tobacco Harm Reduction Claims. An Official American Thoracic Society Policy Statement

RATIONALE

The tobacco harm reduction literature is replete with vague language, far-reaching claims, and unwarranted certainty. The American Thoracic Society has increasingly recognized the need for a framework for reliably making such claims. Evidence-based standards improving the scientific value and transparency of harm reduction claims are expected to improve their trustworthiness, clarity, and consistency.

METHODS

Experts from relevant American Thoracic Society committees identified key topic areas for discussion. Literature search strategy included English language articles across Medline, Google Scholar, and the Cochrane Collaborative databases, with expanded search terms including tobacco, addiction, smoking, cigarettes, nicotine, and harm reduction. Workgroup members synthesized their evidentiary summaries into a list of candidate topics suitable for inclusion in the final report. Breakout groups developed detailed content maps of each topic area, including points to be considered for suggested recommendations. Successive draft recommendations were modified using an iterative consensus process until unanimous approval was achieved. Patient representatives ensured the document's relevance to the lay public.

RESULTS

Fifteen recommendations were identified, organized into four framework elements dealing with: estimating harm reduction among individuals, making claims on the basis of population impact, appropriately careful use of language, and ethical considerations in harm reduction.

DISCUSSION

This statement clarifies important principles guiding valid direct and inferential harm reduction claims. Ideals for effective communication with the lay public and attention to unique ethical concerns are also delineated. The authors call for formal systems of grading harm reduction evidence and regulatory assurances of longitudinal surveillance systems to document the impact of harm reduction policies.

Smoking Cessation for Smokers Not Ready to Quit: Meta-analysis and Cost-effectiveness Analysis

CONTEXT

To provide a systematic review and cost-effectiveness analysis on smoking interventions targeting smokers not ready to quit, a population that makes up approximately 32% of current smokers.

EVIDENCE ACQUISITION

Twenty-two studies on pharmacological, behavioral, and combination smoking-cessation interventions targeting smokers not ready to quit (defined as those who reported they were not ready to quit at the time of the study) published between 2000 and 2017 were analyzed. The effectiveness (measured by the number needed to treat) and cost effectiveness (measured by costs per quit) of interventions were calculated. All data collection and analyses were performed in 2017.

EVIDENCE SYNTHESIS

Smoking interventions targeting smokers not ready to quit can be as effective as similar interventions for smokers ready to quit; however, costs of intervening on this group may be higher for some intervention types. The most cost-effective interventions identified for this group were those using varenicline and those using behavioral interventions.

CONCLUSIONS

Updating clinical recommendations to provide cessation interventions for this group is recommended. Further research on development of cost-effective treatments and effective strategies for recruitment and outreach for this group are needed. Additional studies may allow for more nuanced comparisons of treatment types among this group.

Planning a Change Easily (PACE): A randomized controlled trial for smokers who are not ready to quit

Smoking cessation programs are efficacious and have been validated to assist the 10% to 30% of smokers who are ready to quit in the next 30 days. While the majority of smokers want to quit smoking in the future, only 69% are planning to quit within the next year. Planning a Change Easily (PACE) is a nation-wide, telephone-based comparative effectiveness, randomized controlled trial for smokers not ready to quit (SNRTQ). This project, as well as its intervention components, outcomes, and hypotheses are discussed. This study will compare the effectiveness of four intervention conditions that could potentially help SNRTQ to quit smoking: Brief Advice, Motivational Interviewing, Rate Reduction, and Motivational Interviewing plus Rate Reduction combined. Rate Reduction conditions will include the provision of nicotine replacement therapy in the form of gum. Approximately 840 participants will be recruited and randomized to the four intervention conditions. The main outcomes for this study include self-report prolonged and point prevalence abstinence with biochemical verification of cessation. Secondary outcomes include quit attempts, cost-per-quit, and cost-effectiveness analyses. Informed by evidenced-based interventions, strong clinical guidelines, and economic analysis, PACE has the potential for significant public health impact. Results could readily be disseminated and translated to tobacco quitlines, which are present in all 50 states and are offered free to the public.

A cluster randomized pilot trial of a tailored worksite smoking cessation intervention targeting Hispanic/Latino construction workers: Intervention development and research design

Construction workers have the highest smoking rate among all occupations (39%). Hispanic/Latino workers constitute a large and increasing group in the US construction industry (over 2.6 million; 23% of all workers). These minority workers have lower cessation rates compared to other groups due to their limited access to cessation services, and lack of smoking cessation interventions adapted to their culture and work/life circumstances. Formative research was conducted to create an intervention targeting Hispanic/Latino construction workers. This paper describes the intervention development and the design, methods, and data analysis plans for an ongoing cluster pilot two-arm randomized controlled trial comparing an Enhanced Care worksite cessation program to Standard Care. Fourteen construction sites will be randomized to either Enhanced Care or Standard Care and 126 participants (63/arm) will be recruited. In both arms, recruitment and intervention delivery occur around "food trucks" that regularly visit the construction sites. Participants at Enhanced Care sites will receive the developed intervention consisting of a single face-to-face group counseling session, 2 phone calls, and a fax referral to Florida tobacco quitline (QL). Participants at Standard Care sites will receive a fax referral to the QL. Both groups will receive eight weeks of nicotine replacement treatment and two follow-up assessments at three and six months. Feasibility outcomes are estimated recruitment yield, barriers to delivering the intervention onsite, and rates of adherence/compliance to the intervention, follow-ups, and QL enrollment. Efficacy outcomes are point-prevalence and prolonged abstinence rates at six month follow-up confirmed by saliva cotinine <15 ng/ml.

Evaluation of the cognitive behavioral smoking reduction program "Smoke_less": a randomized controlled trial

The vast majority of smokers are unable or unwilling to quit, but many are open to reducing smoking. No treatment options exist for these smokers besides medication-based therapies. Thus, this study investigated the efficacy of a cognitive behavioral therapy (CBT) smoking reduction program, Smoke_less. A sample of 155 outpatient smokers aged 18-70 years was recruited at the Tobacco Dependence Outpatient Clinic of the Medical Center of the University of Munich, Germany, and randomly assigned to the experimental group (Smoke_less: four weekly CBT group sessions and two telephone calls over 5 weeks, n = 51), active comparator group (one 15-minute counseling session, n = 49), or waiting control group (no intervention during the study, n = 55). The primary endpoint was a ≥50% smoking reduction in the intention-to-treat group 1 week and 6 months after the intervention. We evaluated also abstinence rates at follow-up. Significantly more participants in the Smoke_less group had reduced smoking ≥50% compared to the waiting group at 1 week [OR 7.59 (2.59-22.19)] and 6 months [OR 5.00 (1.68-14.84)] and compared to the active comparison group at 1 week [OR 8.58 (2.67-27.31)] but not at 6 months [OR 1.73 (0.71-4.20)]. We found no significant effects on abstinence rates. The CBT smoking reduction program Smoke_less is effective for smoking reduction but is superior to brief counseling only in the short term. Further research is required to improve its efficacy in long-term smoking reduction to provide a valid, non-medication-based alternative to smokers unable or unwilling to quit.

TRIAL REGISTRATION

Clinicaltrials.gov Identifier: NCT02337400.

Why Don't Cancer Survivors Quit Smoking? An Evaluation of Readiness for Smoking Cessation in Cancer Survivors

Background

Cancer survivors have a high rate of participation in cigarette-smoking cessation programs but their smoking-abstinence rates remain low. In the current study, we evaluated the readiness to quit smoking in a cancer-survivor population.

Methods

Cross-sectional data survey conducted among 112 adult cancer survivors who smoked cigarettes in Tennessee. Analyses were conducted using a two-sample t-test, χ² test, Fishers Exact test, and multivariable logistic regression with smoker’s readiness to quit as the dependent variable. We operationally defined a smoker not ready to quit as anyone interested in quitting smoking beyond the next 6 months or longer (or not at all), as compared to those that are ready to quit within the next 6 months.

Results

Thirty-three percent of participants displayed a readiness to quit smoking in the next 30 days. Smokers ready to quit were more likely to display high confidence in their ability to quit (OR = 4.6; 95% CI, 2.1–9.7; P < 0.0001) than those not ready to quit. Those ready to quit were nearly five times more likely to believe smoking contributed to their cancer diagnosis (OR = 4.9; 95% CI, 1.1–22.6; P = 0.0432). Those ready to quit were also much more likely to attempt smoking cessation when diagnosed with cancer (OR = 8.9; 95% CI, 1.8–44.3; P = 0.0076) than smokers not ready to quit. Finally, those ready to quit were more likely to endorse smoking more in the morning than other times of the day, compared to those not ready to quit (OR = 7.9; 95% CI, 1.5–42,3; P = 0.0148), which increased odds of readiness to quit within the next 6 months.

Conclusions

Despite high participation in smoking-cessation programs for cancer survivors, only one-third of participants were ready to quit. Future research is needed to develop programs targeting effective strategies promoting smoking cessation among cancer survivors who are both ready and not ready to quit smoking.

A Mediation Analysis of Motivational, Reduction, and Usual Care Interventions for Smokers Who Are Not Ready to Quit

Introduction

We recently conducted a large randomized controlled trial (RCT) (N = 560) that failed to replicate our initial RCT's findings that brief motivational and reduction interventions increased quit attempts (QA) and point-prevalence abstinence (PPA) in smokers not ready to quit. The present study aimed to test why our interventions were ineffective.

Methods

A secondary analysis of a 3-arm RCT tested (1) whether telephone-based motivational or reduction interventions changed the following hypothesized mediators more than usual care: cigarettes per day (CPD), dependence, pros of smoking, cons of smoking, self-efficacy, or intention to quit; (2) whether changes in these hypothesized mediators predicted QAs and PPA at a 6-month follow-up, and (3) whether the interventions affected QAs and PPA via the hypothesized mediators.

Results

In comparison to usual care, the motivational intervention did not significantly influence the hypothesized mediators. The reduction intervention resulted in a significantly greater decrease in CPD and pros of smoking and increase in self-efficacy and intention to quit than usual care. Decreases in CPD and dependence and increases in self-efficacy and intention to quit were associated with increased QAs. The reduction intervention's influence on QAs was mediated by decreases in CPD and increases in self-efficacy and intention to quit. Findings regarding PPA were similar.

Conclusion

Our failure to replicate may be due, in part, to the fact that, compared to usual care, (1) the motivational intervention had no effect on the hypothesized mediators, and (2) the reduction intervention had a statistically significant but clinically insignificant effect on the hypothesized mediators.

Implications

This study demonstrates that mediation analysis may be useful to understand why an intervention is not more effective than usual care. We identified reductions in CPD and dependence and increases in self-efficacy and intention to quit as predictors of quitting. Further research should focus on developing more effective interventions to target these constructs, and cause clinically significant changes among smokers who are not ready to quit.

Electronic medical record reminders and smoking cessation activities in primary care

PURPOSE

The purpose of this paper is to assess electronic medical record (EMR) automatic reminder use in relation to smoking cessation activities among primary-care providers.

BACKGROUND

Primary-care physicians are in the frontline of efforts to promote smoking cessation. Moreover, doctors' prescribing privileges give them additional tools to help patients successfully quit smoking. New EMR functions can provide automated reminders for physicians to counsel smokers and provide prescriptions to support quit attempts.

SAMPLE AND METHODS

Logit regression is used to analyze the 2012 National Ambulatory Medical Care Survey (NAMCS). Variables related to the EMR's clinical reminder capability, patient's smoking status, the provision of cessation counseling and the prescribing of drugs that support quitting are analyzed.

RESULTS

For primary care visit documents, smoking status was recorded 77.7% of the time. Smoking cessation counseling was ordered/provided 16.4% of the time in physicians' offices using electronic reminders routinely compared to 9.1% in those lacking the functionality. Smoking cessation medication was ordered/prescribed for 3.7% of current smokers when reminders were routinely used versus 2.1% when no reminder was used. All the differences were statistically significant.

CONCLUSIONS

The presence of an EMR equipped with automated clinical reminders is a valuable resource in efforts to promote smoking cessation. Insurers, regulators, and organizations promulgating clinical guidelines should include the use of EMR technology as part of their programs.

Using Self-affirmation to Increase the Effects of Emotive Health Warnings on Smoking: A Randomized Exploratory Trial

Introduction

Emotive health messages are widely used tools in tobacco control. However, under some circumstances, they can be less effective than desired by eliciting defensive responses in smokers.

Aims

This study tests whether enhancing a currently used emotive graphic smoking health warning with a self-affirmation component reduces cigarette consumption and whether potential effects are stronger in heavier smokers, as suggested by previous research.

Methods

Participants (n = 265) were randomly allocated to a self-affirmation (reflecting on personal values and positive traits using a questionnaire) or matched control condition before viewing an emotive graphic health message from a current Australian government public health campaign. The primary outcome (cigarettes per day [CPD]) was assessed both before and a week following the intervention.

Results

No main effect of self-affirmation on smoking, but as hypothesized, a significant interaction between baseline smoking and self-affirmation was found that showed that heavier smokers (>21 CPD) who self-affirmed significantly reduced CPD compared to nonaffirmed smokers.

Conclusions

These findings support the use of self-affirmation to enhance smoking awareness campaigns in heavier smokers.

Implications

This study shows that enhancing emotive graphic smoking health messages with self-affirmation (the act of reflecting on positive aspects of oneself) increases their effectiveness in heavier smokers. This suggests that self-affirmation might be a particularly useful tool for health promotion targeting heavier smokers. This study adds to previous research in that it is the first to test the add-on effects of self-affirmation to current graphic health messages on smoking rather than smoking-related cognitions.

Effectiveness of intensive smoking reduction counselling plus combination nicotine replacement therapy in promoting long-term abstinence in patients with chronic obstructive pulmonary disease not ready to quit smoking: Protocol of the REDUQ trial

INTRODUCTION

Limited tobacco dependence treatment resources exist for smoking COPD patients not ready to quit. Smoking reduction may be a viable treatment approach if it prompts quit attempts and subsequent abstinence. This article describes the protocol of the REDUQ (REDUce and Quit) study, which examines whether smoking reduction counselling plus combination nicotine replacement therapy (NRT) is (cost-)effective in achieving long-term abstinence in smoking COPD patients not ready to quit.

METHODS/DESIGN

We conducted a two-centre, parallel-group, randomised controlled trial with 18 months follow-up in smoking outpatients with COPD. Patients not ready to quit within the next month but willing to reduce their smoking, were randomised to receive either intensive smoking reduction counselling plus combination NRT or a single information meeting plus self-help manual. Outcomes were assessed at baseline, 6, 12 and 18 months. The primary outcome is ≥ 1-year prolonged abstinence. Secondary outcomes are point prevalence abstinence, successful (i.e. ≥ 50%) smoking reduction, and incidence of quit attempts reported at follow-up assessments. Smoking status is biochemically verified by salivary cotinine and expired CO. Other variables include smoking-related cognitions, intention and motivation to reduce and quit smoking, withdrawal symptoms, health-related quality of life, symptoms of anxiety and depression, state of mindfulness, lung function, use of health care resources, and costs.

DISCUSSION

The outcomes of the REDUQ trial will advance knowledge on treatment of smoking COPD patients not ready to quit. If (cost-)effective, the smoking reduction intervention can be offered to this difficult-to-treat target group as a valuable adjunct to smoking cessation treatment.

Smokers who are unmotivated to quit and have a child with asthma are more likely to quit with intensive motivational interviewing and repeated biomarker feedback

OBJECTIVE

Smokers who are not motivated to quit are an important group for intervention, particularly if they have children with asthma. Research indicates that unmotivated smokers are less responsive to intensive interventions, although motivation-by-treatment interactions have not been tested. This study examines whether motivation to quit moderates the effect of a cessation induction intervention.

METHOD

Parents had an asthmatic child requiring urgent care, and did not have to want to quit smoking to be eligible for the study. Two home visits included asthma education, motivational interviewing (MI) for cessation, and feedback on child's secondhand smoke exposure (SHSe). Participants were then randomized (n = 339, 79.6% female) to receive Enhanced-PAM (Precaution Adoption Model; 6 MI calls including SHSe feedback) or PAM (6 contact control calls). Motivation to quit was assessed at baseline and point-prevalence abstinence (ppa) and SHSe outcomes were objectively measured.

RESULTS

At baseline, 38.9% were not motivated to quit. Those who were not motivated to quit were 3 to 4 times more likely to be abstinent at 6 months in Enhanced-PAM versus PAM (7-day ppa: OR = 3.71, 95% CI = [1.06, 12.99]; 30-day: OR = 4.15, 95% CI [1.20, 14.35]); those receiving Enhanced-PAM achieved quit rates comparable to motivated smokers. Those who were not motivated to quit were more than 4 times as likely to have very low/undetectable SHSe at follow-up in Enhanced-PAM versus PAM (OR = 4.46, 95% CI [1.31, 15.15]). Among motivated smokers, neither outcome significantly differed by treatment arm.

CONCLUSION

It cannot be assumed that smokers who are unmotivated to quit will not be responsive to intensive interventions. (PsycINFO Database Record

Preliminary evaluation of a telephone-based smoking cessation intervention in the lung cancer screening setting: A randomized clinical trial

Incorporating effective smoking cessation interventions into lung cancer screening (LCS) programs will be essential to realizing the full benefit of screening. We conducted a pilot randomized trial to determine the feasibility and efficacy of a telephone-counseling (TC) smoking cessation intervention vs. usual care (UC) in the LCS setting. In collaboration with 3 geographically diverse LCS programs, we enrolled current smokers (61.5% participation rate) who were: registered to undergo LCS, 50-77 years old, and had a 20+ pack-year smoking history. Eligibility was not based on readiness to quit. Participants completed pre-LCS (T0) and post-LCS (T1) telephone assessments, were randomized to TC (N=46) vs. UC (N=46), and completed a final 3-month telephone assessment (T2). Both study arms received a list of evidence-based cessation resources. TC participants also received up to 6 brief counseling calls with a trained cessation counselor. Counseling calls incorporated motivational interviewing and utilized the screening result as a motivator for quitting. The outcome was biochemically verified 7-day point prevalence cessation at 3-months post-randomization. Participants (56.5% female) were 60.2 (SD=5.4) years old and reported 47.1 (SD=22.2) pack years; 30% were ready to stop smoking in the next 30 days. TC participants completed an average of 4.4 (SD=2.3) sessions. Using intent-to-treat analyses, biochemically verified quit rates were 17.4% (TC) vs. 4.3% (UC), p<.05. This study provides preliminary evidence that telephone-based cessation counseling is feasible and efficacious in the LCS setting. As millions of current smokers are now eligible for lung cancer screening, this setting represents an important opportunity to exert a large public health impact on cessation among smokers who are at very high risk for multiple tobacco-related diseases. If this evidence-based, brief, and scalable intervention is replicated, TC could help to improve the overall cost-effectiveness of LCS.

TRIAL REGISTRATION

NCT02267096, https://clinicaltrials.gov.

Motivational, reduction and usual care interventions for smokers who are not ready to quit: a randomized controlled trial

AIMS

To test whether, in comparison to usual care, brief motivational or reduction interventions increase quit attempts (QA) or abstinence among smokers who are not ready to quit.

DESIGN

A parallel-group randomized controlled trial of brief motivational (n = 185), reduction (n = 186) or usual care (n = 189) telephone interventions delivered over the course of 4 weeks. Outcomes were assessed at 6- and 12-month follow-ups. No medication was provided.

SETTING

United States.

PARTICIPANTS

A total of 560 adult smokers of ≥ 10 cigarettes per day who were not ready to quit in the next 30 days.

MEASUREMENTS

The primary outcomes were whether participants made a QA that lasted ≥ 24 hours and whether they made a QA of any length between baseline and 6 months. Secondary outcomes included 7-day point-prevalence abstinence at 6 and 12 months. The 12-month follow-up was added after the study began.

FINDINGS

A priori-defined comparisons were between motivational versus usual care and reduction versus usual care conditions. The probability of making a QA that lasted ≥ 24 hours was not significantly different between the motivational (38%) or the reduction (31%) conditions and the usual care (34%) condition [motivational versus usual care odds ratio (OR) = 1.19, 95% confidence interval (CI) = 0.78-1.82; reduction versus usual care OR = 0.89, 95% CI = 0.57-1.36]. Bayes factors ranged from 0.13 to 0.18. Findings regarding a QA of any length were similar. At 6 months, the motivational condition had marginally more abstinence than usual care (11 versus 5%, OR = 2.17, 95% CI = 0.99-4.77), but the reduction condition was not significantly different from usual care (8 versus 5%, OR = 1.57, 95% CI = 0.69-3.59). At 12 months, the motivational condition had significantly more abstinence than usual care (10 versus 4%, OR = 2.80, 95% CI = 1.14-6.88) and the reduction condition had marginally more abstinence than usual care (9 versus 4%, OR = 2.45, 95% CI = 0.98-6.09).

CONCLUSIONS

Among adult smokers who are not ready to quit, both logistic regression and Bayesian analysis indicate that neither motivational nor reduction-based telephone interventions increased the odds of making a quit attempt in comparison to usual care at 6 months. The motivational intervention appeared to increase abstinence at 6 months and did increase abstinence at 12 months. The reduction intervention did not increase abstinence at 6 months but appeared to increase abstinence at 12 months.

Interventions to reduce harm from continued tobacco use

BACKGROUND

Although smoking cessation is currently the only guaranteed way to reduce the harm caused by tobacco smoking, a reasonable secondary tobacco control approach may be to try and reduce the harm from continued tobacco use amongst smokers unable or unwilling to quit. Possible approaches to reduce the exposure to toxins from smoking include reducing the amount of tobacco used, and using less toxic products, such as pharmaceutical, nicotine and potential reduced-exposure tobacco products (PREPs), as an alternative to cigarettes.

OBJECTIVES

To assess the effects of interventions intended to reduce the harm to health of continued tobacco use, we considered the following specific questions: do interventions intended to reduce harm have an effect on long-term health status?; do they lead to a reduction in the number of cigarettes smoked?; do they have an effect on smoking abstinence?; do they have an effect on biomarkers of tobacco exposure?; and do they have an effect on biomarkers of damage caused by tobacco?

SEARCH METHODS

We searched the Cochrane Tobacco Addiction Group Trials Register (CRS) on the 21st October 2015, using free-text and MeSH terms for harm reduction, smoking reduction and cigarette reduction.

SELECTION CRITERIA

Randomized or quasi-randomized controlled trials of interventions to reduce the amount smoked, or to reduce harm from smoking by means other than cessation. We include studies carried out in smokers with no immediate desire to quit all tobacco use. Primary outcomes were change in cigarette consumption, smoking cessation and any markers of damage or benefit to health, measured at least six months from the start of the intervention.

DATA COLLECTION AND ANALYSIS

We assessed study eligibility for inclusion using standard Cochrane methods. We pooled trials with similar interventions and outcomes (> 50% reduction in cigarettes a day (CPD) and long-term smoking abstinence), using fixed-effect models. Where it was not possible to meta-analyse data, we summarized findings narratively.

MAIN RESULTS

Twenty-four trials evaluated interventions to help those who smoke to cut down the amount smoked or to replace their regular cigarettes with PREPs, compared to placebo, brief intervention, or a comparison intervention. None of these trials directly tested whether harm reduction strategies reduced the harms to health caused by smoking. Most trials (14/24) tested nicotine replacement therapy (NRT) as an intervention to assist reduction. In a pooled analysis of eight trials, NRT significantly increased the likelihood of reducing CPD by at least 50% for people using nicotine gum or inhaler or a choice of product compared to placebo (risk ratio (RR) 1.75, 95% confidence interval (CI) 1.44 to 2.13; 3081 participants). Where average changes from baseline were compared for different measures, carbon monoxide (CO) and cotinine generally showed smaller reductions than CPD. Use of NRT versus placebo also significantly increased the likelihood of ultimately quitting smoking (RR 1.87, 95% CI 1.43 to 2.44; 8 trials, 3081 participants; quality of the evidence: low). Two trials comparing NRT and behavioural support to brief advice found a significant effect on reduction, but no significant effect on cessation. We found one trial investigating each of the following harm reduction intervention aids: bupropion, varenicline, electronic cigarettes, snus, plus another of nicotine patches to facilitate temporary abstinence. The evidence for all five intervention types was therefore imprecise, and it is unclear whether or not these aids increase the likelihood of smoking reduction or cessation. Two trials investigating two different types of behavioural advice and instructions on reducing CPD also provided imprecise evidence. Therefore, the evidence base for this comparison is inadequate to support the use of these types of behavioural advice to reduce smoking. Four studies of PREPs (cigarettes with reduced levels of tar, carbon and nicotine, and in one case delivered using an electronically-heated cigarette smoking system) showed some reduction in exposure to some toxicants, but it is unclear whether this would substantially alter the risk of harm. We judged the included studies to be generally at a low or unclear risk of bias; however, there were some ratings of high risk, due to a lack of blinding and the potential for detection bias. Using the GRADE system, we rated the overall quality of the evidence for our cessation outcomes as 'low' or 'very low', due to imprecision and indirectness. A 'low' grade means that further research is very likely to have an important impact on our confidence in the estimate of effect and is likely to change the estimate. A 'very low' grade means we are very uncertain about the estimate.

AUTHORS' CONCLUSIONS

People who do not wish to quit can be helped to cut down the number of cigarettes they smoke and to quit smoking in the long term, using NRT, despite original intentions not to do so. However, we rated the evidence contributing to the cessation outcome for NRT as 'low' by GRADE standards. There is a lack of evidence to support the use of other harm reduction aids to reduce the harm caused by continued tobacco smoking. This could simply be due to the lack of high-quality studies (our confidence in cessation outcomes for these aids is rated 'low' or 'very low' due to imprecision by GRADE standards), meaning that we may have missed a worthwhile effect, or due to a lack of effect on reduction or quit rates. It is therefore important that more high-quality RCTs are conducted, and that these also measure the long-term health effects of treatments.

Web-Based Intervention for Transitioning Smokers From Inpatient to Outpatient Care: An RCT

INTRODUCTION

Smoking-cessation follow-up care after hospitalization is known to be effective. Cost-effective and disseminable interventions adoptable by hospitals are needed.

DESIGN

RCT.

SETTING/PARTICIPANTS

Fourteen hundred eighty-eight current smokers recruited during a tertiary care hospital stay were randomly assigned to Usual Care (UC) or Usual Care plus Web-Based Intervention (WI). Data were collected in 2011-2013 and analyzed in 2014-2015.

INTERVENTION

UC provided brief bedside advice to quit, a quit plan template, and quitline contact information. WI included access to a website with asynchronous e-message communication with a tobacco counselor, use of interactive self-assessments, helpful cessation information, and access to additional web resources, as well as automated e-mail messages tailored for health concern and readiness to quit.

MAIN OUTCOME MEASURES

Self-reported 30-day abstinence at 6 months was the primary outcome; a subset was verified by saliva cotinine.

RESULTS

Six-month follow-up was completed by 83% of participants. No difference was found between study arms for self-reported abstinence rates in intent-to-treat (25.4% WI vs 26.8% UC) and complete case (31.3% WI vs 31.4% UC) analyses. Reduced smoking was reported by 45.5% (WI, n=276) and 47% (UC, n=296) of non-abstinent responders (p=0.59). Using a 10-ng/mL cotinine cut off, abstinence was verified in 52.1% of WI and 62.5% of UC (p=0.11). Significant covariates associated with abstinence at 6 months were being male, not smoking during hospitalization, being very confident in quitting, planning to quit/stay quit, smoking fewer days in the past 30 days, fewer years of smoking, and having cerebrovascular or connective tissue rheumatic disease as primary hospital diagnosis.

CONCLUSIONS

Lack of difference between treatment arms suggests a strong effect for UC, WI was not effective, or both. Low intervention engagement may be partially responsible. Self-reported abstinence rates were relatively high in both arms, although the biochemically verified rates indicate over-reporting of abstinence. These findings suggest brief bedside counseling for all hospitalized smokers is beneficial.

TRIAL REGISTRATION

This study is registered at www.clinicaltrials.gov NCT01277250.

Motivating smokers to quit using computer-generated letters that target either reduction or cessation: A population-based randomized controlled trial among smokers who do not intend to quit

BACKGROUND

This study examined the long-term efficacy of individualized counseling letters that targeted either smoking abstinence or reducing the number of cigarettes smoked per day to promote future cessation.

METHODS

A nationwide random-digit-dialing telephone sample was used to identify smokers from the general adult population (participation proportion: 54.5%). In total, 1462 participants (48% female) who did not intend to quit within the next six months and who smoked ten or more cigarettes a day were randomized to one of two intervention groups or an assessment-only control condition. The interventions consisted of three tailored letters that were sent after baseline and follow-up assessments after three and six months. Follow-up data on smoking status were provided by 82% and 77% of the participants 12 and 24 months after study inclusion, respectively. Generalized estimation equation (GEE) models adjusted for potential baseline confounders and multiple imputation of missing follow-up data were used to estimate intervention effects.

RESULTS

At 24-month follow-up prevalence of 7-day point abstinence was 8.4%, 12.9% and 14.7% in the control, abstinence intervention and reduction intervention condition, which corresponds to a number needed to treat of 22 (95%-CI: 11-707) and 16 (95%-CI: 9-53). Adjusted GEE analyses revealed that the smoking reduction intervention (ORadj=2.3, p<0.01) but not the abstinence intervention (ORadj=1.4, p=0.20) increased the odds of 6-month prolonged abstinence compared with the control condition. No significant differences appear when directly comparing both intervention groups.

CONCLUSION

Smoking reduction should be considered as an alternative intervention goal for smokers who are unable or unwilling to quit.

Gender differences in self-reported withdrawal symptoms and reducing or quitting smoking three years later: A prospective, longitudinal examination of U.S. adults

BACKGROUND

Little is known about gender differences in withdrawal symptoms among smokers in the community. This study used longitudinal epidemiologic data to examine gender differences in current smokers' report of withdrawal symptoms during past quit attempts and the relationship between withdrawal symptoms and the odds of reducing or quitting smoking three years later.

METHODS

Data were drawn from the National Epidemiologic Survey on Alcohol and Related Conditions (NESARC; Wave 1, 2001-2001, n=43,093; Wave 2, 2004-2005, n=34,653). Analyses were conducted on respondents who reported current daily cigarette smoking at Wave 1 (n=6911). Withdrawal symptoms during past quit attempts were assessed at Wave 1. Current smoking status was assessed at Wave 2.

RESULTS

Wave 1 current smoking women, compared to men, were more likely to endorse any withdrawal symptoms, withdrawal-related discomfort, and withdrawal-related relapse (ps<0.0001). Women endorsed a greater number of withdrawal symptoms than men (M=2.37, SE=0.05 versus M=1.78, SE=0.04; p<0.0001). The odds of reducing and quitting smoking were significantly lower for respondents who reported any Wave 1 withdrawal symptoms, withdrawal-related discomfort, and withdrawal-related relapse. These relationships did not differ for women versus men. Among men, the odds of reducing smoking at Wave 2 decreased significantly with each cumulative withdrawal symptom compared to women (β interaction=0.87; p=0.01).

CONCLUSIONS

Women were more likely to report withdrawal while the relationship between withdrawal symptoms and decreased likelihood of reducing smoking was stronger in men. Identifying gender differences in withdrawal can help develop strategies to help reduce withdrawal for both men and women.

Motivating smokers at outdoor public smoking hotspots to have a quit attempt with a nicotine replacement therapy sample: study protocol for a randomized controlled trial

BACKGROUND

About half of the daily smokers in Hong Kong have never tried and have no intention to quit smoking. More than one-third (37.9 %) of daily smokers have attempted to quit but failed. Nicotine replacement therapy (NRT) is a safe and effective pharmacotherapy to increase abstinence by reducing withdrawal symptoms during the early stage of smoking abstinence. However, the prevalence of NRT use in Hong Kong is lower than in most developed countries. The proposed study aims to assess the effectiveness of providing free NRT samples to smokers on increasing quit attempts and the quit rate.

METHODS

Trained university undergraduate students as ambassadors will invite smokers at outdoor public smoking hotspots to participate in the randomized controlled trial, in which eligible smokers will be randomized to receive a 1-week free NRT sample and medication counselling (intervention) or advice to purchase NRT on their own (control). The primary outcome is self-reported quit attempts (no smoking for at least 24 hours) in the past 30 days at 1-month and 3-month telephone follow-up.

DISCUSSION

The findings will inform the effectiveness of delivering free NRT samples at outdoor public smoking hotspots to increase quit attempts and abstinence. The study will also provide information on smokers' adherence to the NRT sample, side effects and safety issues related to the usage. This will improve the design of a large trial to test the effect of the NRT sample.

TRIAL REGISTRATION

ClinicalTrials.gov NCT02491086 . Registered on 7 July 2015.

Pairing smoking-cessation services with lung cancer screening: A clinical guideline from the Association for the Treatment of Tobacco Use and Dependence and the Society for Research on Nicotine and Tobacco

Smoking cessation is crucial for reducing cancer risk and premature mortality. The US Preventive Services Task Force (USPSTF) has recommended annual lung cancer screening with low-dose computed tomography (LDCT), and the Center for Medicare and Medicaid Services recently approved lung screening as a benefit for patients ages 55 to 77 years who have a 30 pack-year history. The Society for Research on Nicotine and Tobacco (SRNT) and the Association for the Treatment of Tobacco Use and Dependence (ATTUD) developed the guideline described in this commentary based on an illustrative literature review to present the evidence for smoking-cessation health benefits in this high-risk group and to provide clinical recommendations for integrating evidence-based smoking-cessation treatment with lung cancer screening. Unfortunately, extant data on lung cancer screening participants were scarce at the time this guideline was written. However, in this review, the authors summarize the sufficient evidence on the benefits of smoking cessation and the efficacy of smoking-cessation interventions for smokers ages 55 to 77 years to provide smoking-cessation interventions for smokers who seek lung cancer screening. It is concluded that smokers who present for lung cancer screening should be encouraged to quit smoking at each visit. Access to evidence-based smoking-cessation interventions should be provided to all smokers regardless of scan results, and motivation to quit should not be a necessary precondition for treatment. Follow-up contacts to support smoking-cessation efforts should be arranged for smokers. Evidence-based behavioral strategies should be used at each visit to motivate smokers who are unwilling to try quitting/reducing smoking or to try evidence-based treatments that may lead to eventual cessation.

A Review of Impact of Tobacco Use on Patients with Co-occurring Psychiatric Disorders

Consumption of tobacco has been a worldwide problem over the past few decades due to the highly prevalent tobacco-attributable complications. Tobacco use has also been found to be more prevalent in patients with psychiatric disorders. Therefore, we conducted this review about the impact of tobacco use on co-occurring psychiatric disorders. Various facets of this interaction between tobacco use among those with co-occurring psychiatric disorders have been explored. It has been found that people with psychiatric disorders have a higher chance of currently smoking tobacco and lesser chance of cessation. Tobacco use and mental disorders continue to share a complex relationship that has been further evolving after the change in the pattern of tobacco use and also the advent of newer modalities of treatment. However, at the same time, it is believed that cessation of smoking may lead to improvement in the symptoms of mental illness.

Nicotine replacement therapy to aid gradual cessation in smokers with no intention to quit: Association between reduction quantity and later abstinence

Objective

We examined how quantity and trajectory of smoking reduction influence later abstinence in smokers without intention to quit and being prescribed free nicotine replacement therapy (NRT).

Method

We conducted an a posteriori analysis from a data archive of adult smokers in a randomized controlled trial of smoking reduction using counseling and free NRT (n = 928). Reduction was analyzed as the absolute and percentage decrease in self-reported daily cigarette consumption at three follow-ups (1 week, 1 and 3 months) compared with the baseline. Logistic regression model and multiple imputation were used to examine the association between early reduction and abstinence at 6 months.

Results

Reducing 10% of cigarette consumption at the three follow-ups was associated with 16% (95% CI 5–28%), 23% (95%CI 11–36%) and 27% (95% CI 13–42%) increase in abstinence, respectively. Greater reduction predicted abstinence when the percentage reduction was more than one-third (above 31.4%). Progressive increase in the percentage reduction predicted more abstinence (OR = 1.90, 95%CI 1.01–3.58).

Conclusions

Greater percentage reduction by at least one-third and progressive reduction predicted abstinence in those who reduced smoking. Such new evidence can guide the improvement of clinical service for tobacco dependency treatment and support further studies on smoking reduction and cessation.