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Wallace AL, Courtney KE, Wade NE, Doran N, Delfel EL, Baca R, Hatz LE, Thompson C, Andrade G, Jacobus J. A preliminary investigation of physical and mental health features of cannabis & nicotine co-use among adolescents and young adults by sex. Addict Behav 2024; 156:108064. [PMID: 38821010 DOI: 10.1016/j.addbeh.2024.108064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 05/09/2024] [Accepted: 05/11/2024] [Indexed: 06/02/2024]
Abstract
INTRODUCTION Cannabis and nicotine/tobacco products (NTP) are commonly co-used in adolescence and young adulthood; however, limited research has been done on predictive health behaviors to co-use. The current study is a preliminary investigation into the relationships of modifiable health behaviors on cannabis and NTP co-use in adolescents and young adults. METHOD 221 participants (ages 16-22) were characterized into cannabis use only (N = 55), NTP use only (N = 20), cannabis and NTP co-use (used cannabis and NTP; N = 96) and control (no use; N = 50) groups based on past 30-day use. Self-report measures for physical activity, sleep quality, mental health, and reward responsivity were utilized. Participants were given a comprehensive neurocognitive battery. Logistic regressions of self-report measures and fluid intelligence composite scores on substance use group status were run stratified by sex. RESULTS Higher approach reward sensitivity traits were associated with increased likelihood of cannabis use only (Odds Ratio (OR) = 1.15, p = .036) in female participants. Increased aerobic activity was associated with decreased likelihood of cannabis use only (OR = 0.91, p = .047) and cannabis and NTP co-use (OR = 0.88, p = .007) in female participants. Higher anxiety was associated with increased likelihood of cannabis NTP co-use (OR = 1.51, p = 0.025) in male participants. DISCUSSION Several health behaviors were linked with cannabis use and cannabis and NTP co-use in both females and male adolescents and young adults. Health markers differed by sex suggesting differing mechanisms of substance co-use. This study informs targetable health behaviors for prevention and intervention efforts.
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Affiliation(s)
- Alexander L Wallace
- University of California San Diego, Psychiatry Department, La Jolla, CA 92093, USA
| | - Kelly E Courtney
- University of California San Diego, Psychiatry Department, La Jolla, CA 92093, USA
| | - Natasha E Wade
- University of California San Diego, Psychiatry Department, La Jolla, CA 92093, USA
| | - Neal Doran
- University of California San Diego, Psychiatry Department, La Jolla, CA 92093, USA; Psychology Service, VA San Diego Healthcare System, San Diego, CA 92161, USA
| | - Everett L Delfel
- University of California San Diego, Psychiatry Department, La Jolla, CA 92093, USA; SDSU / UC San Diego Joint Doctoral Program in Clinical Psychology, USA
| | - Rachel Baca
- University of California San Diego, Psychiatry Department, La Jolla, CA 92093, USA
| | - Laura E Hatz
- University of California San Diego, Psychiatry Department, La Jolla, CA 92093, USA
| | - Courtney Thompson
- University of California San Diego, Psychiatry Department, La Jolla, CA 92093, USA
| | - Gianna Andrade
- University of California San Diego, Psychiatry Department, La Jolla, CA 92093, USA
| | - Joanna Jacobus
- University of California San Diego, Psychiatry Department, La Jolla, CA 92093, USA.
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Garey L, Thai JM, Zvolensky MJ, Smits JAJ. Exercise and Smoking Cessation. Curr Top Behav Neurosci 2024. [PMID: 39090290 DOI: 10.1007/7854_2024_497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2024]
Abstract
Smoking is a public health crisis, leading to a multitude of health complications. Exercise is associated with numerous health benefits and is accepted by health professionals and smokers as a potentially effective smoking cessation aid. This chapter discusses the extant literature on the relation between exercise and smoking, including cross-sectional studies, experiments, and randomized clinical trials. There is robust evidence for exercise's efficacy in reducing cigarette craving, tobacco withdrawal symptoms, and negative affect. Further, exercise-based interventions appear to boost short-term abstinence yet may fall short of facilitating long-term abstinence. Methodological limitations of extant work are reviewed. We conclude with a discussion of the next steps in this line of work to fine-tune exercise interventions and their application for smoking cessation.
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Affiliation(s)
- Lorra Garey
- Department of Psychology, University of Houston, Houston, TX, USA.
- HEALTH Institute, University of Houston, Houston, TX, USA.
| | - Jessica M Thai
- Department of Psychology, University of Houston, Houston, TX, USA
| | - Michael J Zvolensky
- Department of Psychology, University of Houston, Houston, TX, USA
- HEALTH Institute, University of Houston, Houston, TX, USA
- Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jasper A J Smits
- Department of Psychology, The University of Texas at Austin, Austin, TX, USA
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Zhou Y, Feng W, Guo Y, Wu J. Effect of exercise intervention on smoking cessation: a meta-analysis. Front Physiol 2023; 14:1221898. [PMID: 37614760 PMCID: PMC10442508 DOI: 10.3389/fphys.2023.1221898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Accepted: 07/28/2023] [Indexed: 08/25/2023] Open
Abstract
Background: Exercise has emerged as an effective approach to promote individual health and has shown potential in aiding smoking cessation. However, the specific benefits of exercise in smoking cessation remain unclear, and conflicting findings across studies may be attributed to variations in study populations and intervention characteristics. This study aims to conduct a meta-analysis to evaluate the impact of exercise interventions on tobacco dependence in smokers and assess the effectiveness of exercise in facilitating smoking cessation. Methods: A comprehensive search was performed in databases including PubMed, Web of Science, Embase, The Cochrane Library, and Scopus to identify relevant randomized controlled trials published before 30 October 2022. The Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA) guidelines were followed during the review process. The quality of evidence (QoE) was assessed with GRADE (grading of recommendations, assessment, development and evaluations) methodology. Results: Acute exercise was found to significantly reduce smoking cravings [MD = -1.84, 95% CI (-2.92, -0.76), p < 0.001; SMD = -1.64, 95% CI (-2.22, -1.05), p < 0.001] and alleviate most withdrawal symptoms in smokers. However, there was no significant difference in the smoking cessation rate between the exercise group and the control group (p > 0.05). Exercise was associated with increased positive mood [SMD = 0.36, 95% CI (0.14, 0.58), p = 0.001] and reduced negative mood in smokers [SMD = -0.26, 95% CI (-0.39, -0.12), p < 0.001]. Conclusion: Acute exercise interventions effectively reduce cravings and withdrawal symptoms in smokers. However, long-term exercise interventions do not significantly improve the smoking cessation rate. Exercise can help reduce negative mood and enhance positive mood in smokers. Smokers with high levels of tobacco dependence may derive less benefit from exercise. Factors such as literature quality, exercise intervention characteristics, and exercise adherence may influence the effectiveness of interventions. Trial registration: This research protocol was registered in the International Prospective Register for Systematic Reviews (PROSPERO https://www.crd.york.ac.uk/PROSPERO/). Registration number: CRD42022326109.
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Affiliation(s)
- Yuehui Zhou
- School of Sport Science, Qufu Normal University, Qufu, Shandong, China
| | - Wenxia Feng
- School of Sport Science, Qufu Normal University, Qufu, Shandong, China
| | - Yugang Guo
- School of Physical Education, Anyang Normal University, Anyang, Henan, China
| | - Juhua Wu
- School of Sport, Guangxi University of Science and Technology, Liuzhou, Guangxi, China
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Stockton MB, Ward KD, McClanahan BS, Vander Weg MW, Coday M, Wilson N, Relyea G, Read MC, Connelly S, Johnson KC. The Efficacy of Individualized, Community-Based Physical Activity to Aid Smoking Cessation: A Randomized Controlled Trial. J Smok Cessat 2023; 2023:5535832. [PMID: 37273658 PMCID: PMC10238145 DOI: 10.1155/2023/5535832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 02/14/2023] [Accepted: 05/10/2023] [Indexed: 06/06/2023] Open
Abstract
Objective The efficacy of individualized, community-based physical activity as an adjunctive smoking cessation treatment to enhance long-term smoking cessation rates was evaluated for the Lifestyle Enhancement Program (LEAP). Methods The study was a two-arm, parallel-group, randomized controlled trial. All participants (n = 392) received cessation counseling and a nicotine patch and were randomized to physical activity (n = 199; YMCA membership and personalized exercise programming from a health coach) or an equal contact frequency wellness curriculum (n = 193). Physical activity treatment was individualized and flexible (with each participant selecting types of activities and intensity levels and being encouraged to exercise at the YMCA and at home, as well as to use "lifestyle" activity). The primary outcome (biochemically verified prolonged abstinence at 7-weeks (end of treatment) and 6- and 12-months postcessation) and secondary outcomes (7-day point prevalent tobacco abstinence (PPA), total minutes per week of leisure time physical activity and strength training) were assessed at baseline, 7 weeks, 6 months, and 12 months. Results Prolonged abstinence in the physical activity and wellness groups was 19.6% and 25.4%, respectively, at 7-weeks, 15.1% and 16.6% at 6-months, and 14.1% and 17.1% at 12 months (all between-group P values >0.18). Similarly, PPA rates did not differ significantly between groups at any follow-up. Change from baseline leisure-time activity plus strength training increased significantly in the physical activity group at 7 weeks (P = 0.04). Across treatment groups, an increase in the number of minutes per week in strength training from baseline to 7 weeks predicted prolonged abstinence at 12 months (P ≤ 0.001). Further analyses revealed that social support, fewer years smoked, and less temptation to smoke were associated with prolonged abstinence over 12 months in both groups. Conclusions Community-based physical activity programming, delivered as adjunctive treatment with behavioral/pharmacological cessation treatment, did not improve long-term quit rates compared to adjunctive wellness counseling plus behavioral/pharmacological cessation treatment. This trial is registered with https://beta.clinicaltrials.gov/study/NCT00403312, registration no. NCT00403312.
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Affiliation(s)
| | - Kenneth D. Ward
- School of Public Health, The University of Memphis, Memphis, TN, USA
| | | | - Mark W. Vander Weg
- Departments of Community and Behavioral Health, Internal Medicine, and Psychological and Brain Sciences, University of Iowa, Iowa City, IA and Iowa City VA Health Care System, Iowa City, IA, USA
| | - Mace Coday
- Department of Preventive Medicine, The University of Tennessee Health Science Center, Memphis, TN, USA
| | - Nancy Wilson
- School of Public Health, The University of Memphis, Memphis, TN, USA
| | - George Relyea
- School of Public Health, The University of Memphis, Memphis, TN, USA
| | - Mary C. Read
- School of Public Health, The University of Memphis, Memphis, TN, USA
| | | | - Karen C. Johnson
- Department of Preventive Medicine, The University of Tennessee Health Science Center, Memphis, TN, USA
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García-Fernández G, Krotter A, González-Roz A, García-Pérez Á, Secades-Villa R. Effectiveness of including weight management in smoking cessation treatments: A meta-analysis of behavioral interventions. Addict Behav 2023; 140:107606. [PMID: 36642013 DOI: 10.1016/j.addbeh.2023.107606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 12/29/2022] [Accepted: 01/03/2023] [Indexed: 01/09/2023]
Abstract
INTRODUCTION The potential of weight gain after smoking cessation reduces the incentive to quit. This meta-analysis examines the efficacy of behavioral interventions for smoking cessation that also address post-cessation weight gain. METHODS Medline, Web of Science, PsycINFO, and the Cochrane Central Register of Controlled Trials were searched for randomized controlled trials on behavioral treatments targeting both health outcomes. Six separate meta-analyses were undertaken to assess treatment efficacy on smoking abstinence and weight outcomes at end of treatment (EOT), short-term, and long-term follow-up. Individual and treatment moderators were examined as well as methodological quality and publication bias of studies. RESULTS A total of 28 studies were included in the meta-analysis. There was a statistically significant positive impact of treatments addressing both targets on smoking outcomes at EOT (RR = 1.279, 95% CI: 1.096, 1.492, p = .002), but not at follow-ups. Age impacted on EOT abstinence rates Q (1) = 4.960, p = .026) while increasing the number of sessions significantly improved EOT abstinence rates (p = .020). There was no statistically significant impact of these treatments on weight at EOT (Hedges' g = -0.015, 95% CI: -.164, 0.135, p = .849) or follow-ups (short term: Hedges' g = 0.055, 95% CI: -0.060, 0.170, p = .347; long term: Hedges' g = -0.320, 95% CI: -.965, 0.325, p = .331). There were minimal impacts of publication bias, mostly related to sample size, meaning studies including small sample sizes revealed larger effect sizes on abstinence at EOT. DISCUSSION Addressing post-cessation weight management in treatments for smoking cessation significantly enhances tobacco abstinence at EOT though it was not found to have a lasting impact after treatment.
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Affiliation(s)
- Gloria García-Fernández
- Department of Psychology, Addictive Behaviors Research Group, University of Oviedo, Plaza Feijoo S-N, Oviedo 33003, Spain.
| | - Andrea Krotter
- Department of Psychology, Addictive Behaviors Research Group, University of Oviedo, Plaza Feijoo S-N, Oviedo 33003, Spain
| | - Alba González-Roz
- Department of Psychology, Addictive Behaviors Research Group, University of Oviedo, Plaza Feijoo S-N, Oviedo 33003, Spain
| | - Ángel García-Pérez
- Department of Psychology, Addictive Behaviors Research Group, University of Oviedo, Plaza Feijoo S-N, Oviedo 33003, Spain
| | - Roberto Secades-Villa
- Department of Psychology, Addictive Behaviors Research Group, University of Oviedo, Plaza Feijoo S-N, Oviedo 33003, Spain
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The effect of aerobic exercises of different intensities on anxiety, cigarette addiction, sleep quality, and quality of life in former smokers. Ir J Med Sci 2022:10.1007/s11845-022-03065-z. [PMID: 35723855 DOI: 10.1007/s11845-022-03065-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 06/09/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND There is a worldwide struggle to quit smoking and prevent relapsing. Aerobic exercises are frequently utilized to aid in smoking cessation and prevent relapse. AIMS This study aimed to investigate the effects of aerobic exercises of different intensity on the level of anxiety, smoking addiction, and quality of sleep and life in former smokers. METHODS The study included 60 people aged 18 to 45 who had quit smoking within the previous month. Individuals were randomly assigned to control (CON), mild-intensity aerobic activity (MIA), and moderate-intensity aerobic activity (MoIA) groups. The MIA group did submaximal aerobic exercises at 40% of maximum heart rate (MHR), while the MoIA group did them at 60% of MHR for 8 weeks/3 days. Participants' anxiety levels were assessed using the Beck Anxiety Scale (BAS), smoking addiction was assessed using the Fagerström Test for Nicotine Dependence and Substance Craving Scale (SCS), sleep quality was assessed using the Pittsburgh Sleep Quality Index, and quality of life was assessed using the SF-36 Short Form Scale (SF-36). RESULTS The SCS score of the MoIA group declined more than the MIA and CON groups, and the MIA group had a lower sleep disturbance score than other groups when the influence of exercise training was assessed over time (p < 0.05). Aerobic exercise had no influence on SF-36 or BAS scores (p > 0.05). CONCLUSIONS The benefits of mild and moderate aerobic exercise on quality of life and anxiety are similar. However, mild-intensity aerobic exercises may be suitable for sleep difficulties while moderate-intensity aerobic exercises may be preferred for reducing smoking addiction.
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7
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Jung S, Kim Y, Kim M, Seo M, Kim S, Kim S, Lee S. Exercise Pills for Drug Addiction: Forced Moderate Endurance Exercise Inhibits Methamphetamine-Induced Hyperactivity through the Striatal Glutamatergic Signaling Pathway in Male Sprague Dawley Rats. Int J Mol Sci 2021; 22:ijms22158203. [PMID: 34360969 PMCID: PMC8348279 DOI: 10.3390/ijms22158203] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/26/2021] [Accepted: 07/28/2021] [Indexed: 01/22/2023] Open
Abstract
Physical exercise reduces the extent, duration, and frequency of drug use in drug addicts during the drug initiation phase, as well as during prolonged addiction, withdrawal, and recurrence. However, information about exercise-induced neurobiological changes is limited. This study aimed to investigate the effects of forced moderate endurance exercise training on methamphetamine (METH)-induced behavior and the associated neurobiological changes. Male Sprague Dawley rats were subjected to the administration of METH (1 mg/kg/day, i.p.) and/or forced moderate endurance exercise (treadmill running, 21 m/min, 60 min/day) for 2 weeks. Over the two weeks, endurance exercise training significantly reduced METH-induced hyperactivity. METH and/or exercise treatment increased striatal dopamine (DA) levels, decreased p(Thr308)-Akt expression, and increased p(Tyr216)-GSK-3β expression. However, the phosphorylation levels of Ser9-GSK-3β were significantly increased in the exercise group. METH administration significantly increased the expression of NMDAr1, CaMKK2, MAPKs, and PP1 in the striatum, and exercise treatment significantly decreased the expression of these molecules. Therefore, it is apparent that endurance exercise inhibited the METH-induced hyperactivity due to the decrease in GSK-3β activation by the regulation of the striatal glutamate signaling pathway.
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Affiliation(s)
| | | | | | | | | | | | - Sooyeun Lee
- Correspondence: ; Tel.: +82-53-580-6651; Fax: +82-53-580-5164
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Dunsiger S, Emerson JA, Ussher M, Marcus BH, Miranda R, Monti PM, Williams DM. Exercise as a smoking cessation treatment for women: a randomized controlled trial. J Behav Med 2021; 44:794-802. [PMID: 34232456 DOI: 10.1007/s10865-021-00236-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 06/07/2021] [Indexed: 10/20/2022]
Abstract
Cigarette smoking remains the leading behavioral risk factor for chronic disease and premature mortality. This RCT tested the efficacy of moderate intensity aerobic exercise as an adjunctive smoking cessation treatment among women. Participants (N = 105; age = 42.5, SD = 11.2) received brief smoking cessation counseling and 10 weeks of nicotine replacement therapy and were randomized to 12 weeks of moderate intensity exercise (Exercise; n = 53) or 12 weeks of health education (Control; n = 52). Longitudinal models, with Generalized Estimating Equations, showed no differences between Exercise and Control in cotinine-verified 7-day point prevalence abstinence (Wald = 1.96, p = 0.10) or continuous abstinence (Wald = 1.45, p = 0.23) at 12-weeks (post-treatment) or 6-, 9-, or 12-month follow-up, controlling for differences in baseline nicotine dependence. There was no effect of exercise on smoking cessation. The present study adds to the literature suggesting null effects of exercise as a smoking cessation adjunctive treatment despite promising findings in short-term laboratory based studies.
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Affiliation(s)
- Shira Dunsiger
- Department of Behavioral and Social Sciences, Brown University School of Public Health, Box G-S121, Providence, RI, 02912, USA
| | - Jessica A Emerson
- Department of Behavioral and Social Sciences, Brown University School of Public Health, Box G-S121, Providence, RI, 02912, USA
| | - Michael Ussher
- Population Health Research Institute, St George's, University of London, London, UK.,Institute for Social Marketing and Health, University of Stirling, Stirling, UK
| | - Bess H Marcus
- Department of Behavioral and Social Sciences, Brown University School of Public Health, Box G-S121, Providence, RI, 02912, USA
| | - Robert Miranda
- Department of Psychiatry and Human Behavior, Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Peter M Monti
- Department of Behavioral and Social Sciences, Brown University School of Public Health, Box G-S121, Providence, RI, 02912, USA
| | - David M Williams
- Department of Behavioral and Social Sciences, Brown University School of Public Health, Box G-S121, Providence, RI, 02912, USA.
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Williams CD, Taylor T, Stanton C, Makambi K, Hicks J, Adams-Campbell LL. A Feasibility Study of Smoking Cessation Utilizing an Exercise Intervention among Black Women: 'Quit and Fit'. J Natl Med Assoc 2021; 113:243-251. [PMID: 33518358 PMCID: PMC10105489 DOI: 10.1016/j.jnma.2020.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 11/13/2020] [Accepted: 12/27/2020] [Indexed: 10/22/2022]
Abstract
BACKGROUND Women who engage in higher levels of exercise while trying to quit smoking have been shown to be less likely to relapse and to sustain their smoking abstinence longer. This study sought to examine the benefits of exercise for improving smoking cessation among Black women. METHODS We evaluated the feasibility of a 12-week smoking and exercise intervention, Quit and Fit, tailored for Black women. All participants (intervention and control) received 12 weeks of smoking cessation counseling via telephone and 9 weeks of nicotine lozenges. Participants who were randomly assigned to the intervention condition were also assigned to a 12-week exercise group. RESULTS Thirty-eight women were enrolled and 27 completed a 12-week follow-up assessment. Women from the intervention group were more likely to complete the 12-week follow-up assessment compared to participants in the control group (80% vs. 61%). Overall, 7 of the 38 participants (18%) were abstinent at 12 weeks (biochemically verified by expired carbon monoxide). Among the 25 women who completed the 12-week follow-up, abstinence was reported in 33% of the intervention group and 20% of the control group. Using an intent-to-treat approach, 25% of women in the intervention group were abstinent at 12 weeks (n = 5), compared to 11.1% for the control group (n = 2). These differences were not statistically significant. CONCLUSIONS The overall retention rate was 71% (27/38) at 12 weeks with higher among the intervention group (16/20; 80%) compared to the control group (11/18; 61%). The study demonstrates that it is feasible to retain African-American women in a short-term study of smoking cessation and exercise.
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Affiliation(s)
| | | | | | - Kepher Makambi
- Georgetown Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, USA
| | - Jennifer Hicks
- Georgetown Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, USA
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Effectiveness of Aerobic Exercise on Smoking Cessation in Adults: A Systematic Review and Meta-Analysis. J Phys Act Health 2021; 18:230-242. [PMID: 33434887 DOI: 10.1123/jpah.2019-0339] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 08/19/2020] [Accepted: 10/06/2020] [Indexed: 11/18/2022]
Abstract
BACKGROUND The specific benefits of aerobic exercises in smoking cessation are unclear, as they have different characteristics, intensities, and durations. The purpose of this systematic review with meta-analysis was to evaluate the effects of aerobic exercise, with or without co-interventions, compared with a control group of cognitive behavior treatment on smoking cessation. METHODS This review was prospectively registered on PROSPERO, and the searches were performed from 2016 to 2018. Randomized controlled trials evaluating the effects of aerobic exercise, with or without nicotine therapy replacement, compared with usual care were included. The primary outcome was smoking cessation defined as the prevalence of those who quit or continuous abstinence. Meta-analysis was calculated using random effects model in the comprehensive meta-analysis software. RESULTS The authors identified 18 trials reporting data for a total of 2815 participants. There was moderate-quality evidence that aerobic exercise was better than usual care in promoting smoking cessation at short term (11 trials, risk ratio 0.79; 95% confidence interval, 0.66-0.94). However, there were no differences between aerobic exercises and usual care at medium- or long-term follow-ups. CONCLUSIONS According to review, aerobic exercise may be effective in promoting smoking cessation at short-term, but not at medium- and long-term follow-ups.
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11
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Sohlberg T, Bergmark KH. Lifestyle and Long-Term Smoking Cessation. Tob Use Insights 2020; 13:1179173X20963062. [PMID: 33132704 PMCID: PMC7576910 DOI: 10.1177/1179173x20963062] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 09/04/2020] [Indexed: 12/17/2022] Open
Abstract
Background: Since smoking is the leading cause of preventable death, discouraging smoking initiation, encouraging smoking cessation, and exploring factors that help individuals to stay smoke free are immensely important. One such relevant factor may be the impact of lifestyle for long-term smoking cessation. Method: A representative sample of successful quitters was recruited for a study about smoking cessation. These respondents are now part of a 7-year follow-up with the overall aim of revealing factors affecting long-term smoking cessation. Descriptive analyses were carried out at baseline and at follow-up, as well as a further two-step cluster analysis to explore profiles of long-term smoke-free individuals. Results: A majority did not make any particular lifestyle changes, but among those who did, most adopted a healthier lifestyle and/or increased their quota of physical training, where permanent changes in this direction seem to promote a more enduring smoke-free life. Conclusions: Individuals who want to quit smoking should be encouraged to increase their level of physical activity. Swedish health care institutions should be able to provide support for this both initially and over time to promote the long-term maintenance of a smoke-free lifestyle.
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Affiliation(s)
- Tove Sohlberg
- Department of Sociology, Stockholm University, Stockholm, Sweden
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12
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Bloom EL, Hunt L, Tidey J, Ramsey SE. Pilot feasibility trial of dual contingency management for cigarette smoking cessation and weight maintenance among weight-concerned female smokers. Exp Clin Psychopharmacol 2020; 28:609-615. [PMID: 31647278 PMCID: PMC7180087 DOI: 10.1037/pha0000331] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Many women who smoke cigarettes report that concern about weight gain is a barrier to quitting. Indeed, most quitters gain weight and some attribute relapses to weight gain concern. Contingency management (CM), which refers to reinforcing a target behavior with financial incentives, has been demonstrated effective for promoting smoking abstinence and weight management independently. We conducted a pilot trial to establish the feasibility of dual CM, in which both smoking cessation and weight maintenance were incentivized, as a smoking cessation intervention for female weight-concerned smokers. Participants (N = 10) received a 12-week intervention during which they earned financial incentives for smoking abstinence, verified by breath carbon monoxide (CO) testing, and for maintaining their weight (larger incentives for gaining less than five pounds, smaller incentives for 5-10 pound gain) while abstaining from smoking. They attended an end of intervention visit at week 13 and a follow-up visit at week 26. Total compensation was up to $550 ($255 for participation independent of smoking and weight, $145 for smoking abstinence incentives, and $150 for weight maintenance incentives). Results indicated that five of the 10 participants (50%) were continuously abstinent for at least 4 weeks and received at least 2 weight maintenance incentives. Three participants (33%) were abstinent at every visit they attended from quit date through week 26; 2 of these 3 had gained more than 10 pounds by week 26. Additional formative research to test alternative incentive schedules and modalities should be conducted before CM-W is evaluated in a larger trial. (PsycInfo Database Record (c) 2020 APA, all rights reserved).
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Affiliation(s)
| | | | | | - Susan E. Ramsey
- Alpert Medical School of Brown University,Rhode Island Hospital
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Cheung YT, Lam TH, Chan CHH, Ho KS, Fok WYP, Wang MP, Li WHC. Brief handgrip and isometric exercise intervention for smoking cessation: A pilot randomized trial. Addict Behav 2020; 100:106119. [PMID: 31522134 DOI: 10.1016/j.addbeh.2019.106119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 07/18/2019] [Accepted: 09/03/2019] [Indexed: 10/26/2022]
Abstract
INTRODUCTION Isometric exercises reduce craving, negative affect, and withdrawal symptoms during smoking cessation. This randomized controlled trial (RCT) was the first to test if a brief intervention using a handgrip and isometric exercises including hand pushing/pulling was feasible and efficacious to increase tobacco abstinence at 6-month. METHODS This was a single-blinded, 2-arm pilot RCT in 6 community-based smoking cessation clinics in Hong Kong. Smokers who consumed 10 or more cigarettes a day and were receiving cessation services were randomized to the exercise group (n = 108) who received a free handgrip and a leaflet about handgrip exercise, and watched a 5-minute video, or to the healthy-diet group (n = 100) who receive a similar dosage of intervention on healthy diet. The primary outcome was self-reported abstinence in the previous 4 weeks at 6-month follow-up. RESULTS In the exercise group, about 36% reported doing the exercises when craving at 2-month follow-up. No significant difference in quit rate was found between groups (34% vs. 39%, OR = 0.80, P = .40). A posteriori analysis on the exercise group showed that self-reported exercises when craving (49% vs. 26%, OR = 2.69, 1.18-6.15, P = .02) and total adherence (including doing the exercises when craving, once a day, and/or for 2 weeks) (53% vs. 23%, OR = 3.70, 1.15-11.92, P = .03) were significantly associated with self-reported abstinence. CONCLUSIONS The brief handgrip/isometric exercise intervention was feasible and achieved modest adherence without offering incentives or mandatory reminders. Preliminary evidence of benefits was observed in the intervention group if the exercises were done when craving. IMPLICATIONS Our study indicates that a brief exercise intervention, including a free handgrip and educational video, was feasible for smokers receiving smoking cessation treatment. It was particularly efficacious in increasing tobacco abstinence when exercise adherence was high. TRIAL REGISTRATION ClinicalTrial.gov (NCT02844296).
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Ussher MH, Faulkner GEJ, Angus K, Hartmann‐Boyce J, Taylor AH. Exercise interventions for smoking cessation. Cochrane Database Syst Rev 2019; 2019:CD002295. [PMID: 31684691 PMCID: PMC6819982 DOI: 10.1002/14651858.cd002295.pub6] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Taking regular exercise, whether cardiovascular-type exercise or resistance exercise, may help people to give up smoking, particularly by reducing cigarette withdrawal symptoms and cravings, and by helping to manage weight gain. OBJECTIVES To determine the effectiveness of exercise-based interventions alone, or combined with a smoking cessation programme, for achieving long-term smoking cessation, compared with a smoking cessation intervention alone or other non-exercise intervention. SEARCH METHODS We searched the Cochrane Tobacco Addiction Group Specialised Register for studies, using the term 'exercise' or 'physical activity' in the title, abstract or keywords. The date of the most recent search was May 2019. SELECTION CRITERIA We included randomised controlled trials that compared an exercise programme alone, or an exercise programme as an adjunct to a cessation programme, with a cessation programme alone or another non-exercise control group. Trials were required to recruit smokers wishing to quit or recent quitters, to assess abstinence as an outcome and have follow-up of at least six months. DATA COLLECTION AND ANALYSIS We followed standard Cochrane methods. Smoking cessation was measured after at least six months, using the most rigorous definition available, on an intention-to-treat basis. We calculated risk ratios (RRs) and 95% confidence intervals (CIs) for smoking cessation for each study, where possible. We grouped eligible studies according to the type of comparison, as either smoking cessation or relapse prevention. We carried out meta-analyses where appropriate, using Mantel-Haenszel random-effects models. MAIN RESULTS We identified 24 eligible trials with a total of 7279 adult participants randomised. Two studies focused on relapse prevention among smokers who had recently stopped smoking, and the remaining 22 studies were concerned with smoking cessation for smokers who wished to quit. Eleven studies were with women only and one with men only. Most studies recruited fairly inactive people. Most of the trials employed supervised, group-based cardiovascular-type exercise supplemented by a home-based exercise programme and combined with a multi-session cognitive behavioural smoking cessation programme. The comparator in most cases was a multi-session cognitive behavioural smoking cessation programme alone. Overall, we judged two studies to be at low risk of bias, 11 at high risk of bias, and 11 at unclear risk of bias. Among the 21 studies analysed, we found low-certainty evidence, limited by potential publication bias and by imprecision, comparing the effect of exercise plus smoking cessation support with smoking cessation support alone on smoking cessation outcomes (RR 1.08, 95% CI 0.96 to 1.22; I2 = 0%; 6607 participants). We excluded one study from this analysis as smoking abstinence rates for the study groups were not reported. There was no evidence of subgroup differences according to the type of exercise promoted; the subgroups considered were: cardiovascular-type exercise alone (17 studies), resistance training alone (one study), combined cardiovascular-type and resistance exercise (one study) and type of exercise not specified (two studies). The results were not significantly altered when we excluded trials with high risk of bias, or those with special populations, or those where smoking cessation intervention support was not matched between the intervention and control arms. Among the two relapse prevention studies, we found very low-certainty evidence, limited by risk of bias and imprecision, that adding exercise to relapse prevention did not improve long-term abstinence compared with relapse prevention alone (RR 0.98, 95% CI 0.65 to 1.47; I2 = 0%; 453 participants). AUTHORS' CONCLUSIONS There is no evidence that adding exercise to smoking cessation support improves abstinence compared with support alone, but the evidence is insufficient to assess whether there is a modest benefit. Estimates of treatment effect were of low or very low certainty, because of concerns about bias in the trials, imprecision and publication bias. Consequently, future trials may change these conclusions.
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Affiliation(s)
- Michael H Ussher
- St George's, University of LondonPopulation Health Research InstituteCranmer TerraceLondonUKSW17 0RE
- University of StirlingInstitute for Social MarketingStirlingUK
| | - Guy E J Faulkner
- University of British ColumbiaSchool of Kinesiology2146 Health Sciences MallVancouverCanadaV6T 1Z3
| | - Kathryn Angus
- University of StirlingInstitute for Social MarketingStirlingUK
| | - Jamie Hartmann‐Boyce
- University of OxfordNuffield Department of Primary Care Health SciencesRadcliffe Observatory QuarterWoodstock RoadOxfordUKOX2 6GG
| | - Adrian H Taylor
- University of PlymouthFaculty of Health: Medicine, Dentistry and Human SciencesRoom N32, ITTC Building, Tamar Science ParkDerrifordPlymouthUKPL6 8BX
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Colledge F, Gerber M, Pühse U, Ludyga S. Anaerobic Exercise Training in the Therapy of Substance Use Disorders: A Systematic Review. Front Psychiatry 2018; 9:644. [PMID: 30564150 PMCID: PMC6288373 DOI: 10.3389/fpsyt.2018.00644] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 11/15/2018] [Indexed: 12/15/2022] Open
Abstract
Background: In the past 3 decades, there has been an increase in the number of studies assessing exercise as a form of treatment for substance use disorders (SUDs). While a variety of substance types and outcomes have been assessed, exercise intensities have never been systematically examined. Consequently, it remains unclear whether particular forms of exercise are better suited to the treatment of these populations. Anaerobic exercise has been shown to have positive effects in populations with psychiatric disorders, but its effectiveness in the treatment of SUDs has to date not been reviewed. Methods: The aim of this systematic review is to identify and evaluate studies which have employed either an acute or chronic anaerobic exercise component as a therapy modality for SUDs. The primary outcomes are abstinence, craving, withdrawal, consumption, quality of life, and the following psychological symptoms and disorders: depression, anxiety, stress, and mood. A secondary objective is to assess whether the type of training described in the study protocol can be reliably categorized as anaerobic training. Results: Twenty-six studies are included in this review. Twelve studies addressed nicotine dependence, one addressed alcohol dependence, and 13 addressed dependence on various illicit drugs. Thirteen studies reported the intensity at which participants actually exercised, but only one employed a test to determine whether training was carried out above the anaerobic threshold (AT). The risk of bias in the included studies was generally high. Results of the studies were mixed, with the most positive effects being found for abstinence in nicotine dependence. Conclusion: The evidence for the effects of anaerobic exercise in SUDs is weak, although a tendency toward positive effects on abstinence in nicotine dependent individuals was observable. The majority of studies do not report data on exercise intensity, making a categorization of anaerobic exercise impossible in all but one case. This means that the effects of this form of exercise cannot be determined, and therefore not evaluated or compared with other forms. In order to improve the quality of evidence for exercise in SUD treatment, clearly defined and objectively assessed evaluations of anaerobic and anaerobic exercise are necessary.
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Affiliation(s)
- Flora Colledge
- Departement für Sport, Bewegung und Gesundheit, Universität Basel, Basel, Switzerland
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Vander Weg MW, Coday M, Stockton MB, McClanahan B, Relyea G, Read MC, Wilson N, Connelly S, Richey P, Johnson KC, Ward KD. Community-based physical activity as adjunctive smoking cessation treatment: Rationale, design, and baseline data for the Lifestyle Enhancement Program (LEAP) randomized controlled trial. Contemp Clin Trials Commun 2018; 9:50-59. [PMID: 29333504 PMCID: PMC5760189 DOI: 10.1016/j.conctc.2017.11.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 11/14/2017] [Accepted: 11/29/2017] [Indexed: 11/24/2022] Open
Abstract
Despite advances in behavioral and pharmacological treatment for tobacco use and dependence, quit rates remain suboptimal. Increasing physical activity has shown some promise as a strategy for improving cessation outcomes. However, initial efficacy studies focused on intensive, highly structured exercise programs that may not be applicable to the general population of smokers. We describe the rationale and study design and report baseline participant characteristics from the Lifestyle Enhancement Program (LEAP), a two-group, randomized controlled trial. Adult smokers who engaged in low levels of leisure time physical activity were randomly assigned to treatment conditions consisting of an individualized physical activity intervention delivered by health fitness instructors in community-based exercise facilities or an equal contact wellness control. All participants received standard cognitive behavioral smoking cessation counseling combined with nicotine replacement therapy. The primary outcomes are seven-day point prevalence abstinence at seven weeks, six- and 12 months. Secondary outcomes include self-reported physical activity, dietary intake, body mass index, waist circumference, percent body fat, and nicotine withdrawal symptoms. Participants consist of 392 sedentary smokers (mean [standard deviation] age = 44.6 [10.2] = years; 62% female; 31% African American). Results reported here provide information regarding experiences recruiting smokers willing to change multiple health behaviors including smoking and physical activity.
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Affiliation(s)
- Mark W. Vander Weg
- Iowa City VA Health Care Center, Center for Comprehensive Access & Delivery Research & Evaluation (CADRE) and Veterans Rural Health Resource Center – Central Region, Iowa City, IA, USA
- Departments of Internal Medicine and Psychological and Brain Sciences and Holden Comprehensive Cancer Center, University of Iowa, Iowa City, IA, USA
| | - Mace Coday
- Department of Preventive Medicine, The University of Tennessee Health Science Center, Memphis, TN, USA
| | | | | | - George Relyea
- School of Public Health, The University of Memphis, Memphis, TN, USA
| | - Mary C. Read
- School of Public Health, The University of Memphis, Memphis, TN, USA
| | - Nancy Wilson
- School of Public Health, The University of Memphis, Memphis, TN, USA
| | | | - Phyllis Richey
- Department of Preventive Medicine, The University of Tennessee Health Science Center, Memphis, TN, USA
| | - Karen C. Johnson
- Department of Preventive Medicine, The University of Tennessee Health Science Center, Memphis, TN, USA
| | - Kenneth D. Ward
- School of Public Health, The University of Memphis, Memphis, TN, USA
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Lynch WJ, Tan L, Narmeen S, Beiter R, Brunzell DH. Exercise or saccharin during abstinence block estrus-induced increases in nicotine-seeking. Physiol Behav 2017; 203:33-41. [PMID: 29080668 DOI: 10.1016/j.physbeh.2017.10.026] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Revised: 09/29/2017] [Accepted: 10/23/2017] [Indexed: 12/11/2022]
Abstract
Recent evidence suggests that adolescent and young adult females may be particularly responsive to nicotine use interventions that include exercise or environmental enrichment. This possibility was addressed in the current study by comparing the efficacy of exercise versus non-exercise environmental enrichment (saccharin) during abstinence at reducing subsequent nicotine-seeking/relapse vulnerability in an adolescent-onset rat model. The efficacy of each intervention was examined as a function of estrous cycle phase given findings indicating that hormonal status influences relapse vulnerability and treatment outcome in females. Once adolescent female rats acquired nicotine self-administration, they were given 23-h/day access to nicotine (0.01mg/kg/infusion) for 10days. Following the last self-administration session, rats began a 10-day forced abstinence period with 2-h/day access to an unlocked wheel (exercise, n=15), a bottle containing a saccharin-sweetened solution (0.25%; saccharin, n=19), or without access to a wheel or saccharin (control, n=20). Nicotine-seeking, as assessed under an extinction/cued-induced reinstatement procedure, was examined on day 11 of abstinence. Levels of nicotine-seeking were highest in females tested during estrus as compared to females tested during non-estrus phases. Exercise or saccharin during abstinence reduced nicotine-seeking in females tested during estrus, but neither affected the low levels of nicotine-seeking observed in females tested during non-estrus phases, presumably due to a floor effect. These results demonstrate that exercise or saccharin during abstinence decrease nicotine-seeking, and suggest that either would be effective as an early intervention for nicotine use and addiction in females.
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Affiliation(s)
- Wendy J Lynch
- Department of Psychiatry and Neurobehavioral Sciences, University of Virginia, Charlottesville, VA 22902, USA.
| | - Lillian Tan
- Department of Psychiatry and Neurobehavioral Sciences, University of Virginia, Charlottesville, VA 22902, USA
| | - Syeda Narmeen
- Department of Psychiatry and Neurobehavioral Sciences, University of Virginia, Charlottesville, VA 22902, USA
| | - Rebecca Beiter
- Department of Psychiatry and Neurobehavioral Sciences, University of Virginia, Charlottesville, VA 22902, USA
| | - Darlene H Brunzell
- Department of Pharmacology and Toxicology, Virginia Commonwealth University, Richmond, VA 23298, USA
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Lee YY, Khoo S, Morris T, Hanlon C, Wee LH, Teo EW, Adnan Y. A mixed-method study of the efficacy of physical activity consultation as an adjunct to standard smoking cessation treatment among male smokers in Malaysia. SPRINGERPLUS 2016; 5:2012. [PMID: 27933267 PMCID: PMC5122530 DOI: 10.1186/s40064-016-3675-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Accepted: 11/11/2016] [Indexed: 11/10/2022]
Abstract
BACKGROUND This study examined the effectiveness of using Physical Activity Consultation (PAC) as an addition to the standard smoking cessation treatment in Malaysia. We explored participants' experiences in terms of physical activity and smoking abstinence with the combined PAC and smoking cessation intervention. METHODS Walk-in smokers from a local smoking cessation clinic volunteered for the 8-week intervention program, while undergoing standard smoking cessation treatment. In Week 1, a facilitator conducted a face-to-face intervention to explore participants' involvement in physical activity and helped to set physical activity strategies and goals for participants to increase physical activity levels. Participants were provided with follow-up phone calls at Weeks 3 and 6. Participants answered questionnaires that measured smoking withdrawal (Shiffman-Jarvik Withdrawal Scale), cessation self-efficacy (Cessation Self-efficacy Questionnaire), physical activity involvement (International Physical Activity Questionnaire), and mood (Brunel Mood Scale) upon recruitment, at post-intervention and at follow-up 3 months after the intervention ended. Participants also responded to interviews about their experiences with the PAC and smoking cessation treatment at post-intervention and at 3-month follow-up. RESULTS Seven participants completed the program until follow-up. All were successfully abstinent. Only two participants increased physical activity levels, whereas others maintained their physical activity levels or showed slight decreases. Several themes were identified in this study, including participants' experiences with withdrawal symptoms, smoking cessation self-efficacy, triggers to smoking cessation, thoughts on standard smoking cessation treatment in Malaysia, physical activity involvement, mood, and thoughts and beliefs on combining smoking cessation and physical activity. CONCLUSIONS This study suggests PAC was helpful in maintaining or increasing the overall physical activity levels of participants and could assist with smoking abstinence. Findings showed that all participants who stayed in the program were successfully abstinent. In general, the findings in this study provided promising results for further research on PAC as an adjunct to smoking cessation treatments in Malaysia. Trial registration This intervention is registered with the Australian New Zealand Clinical Trials Registry (Trial registration number: ACTRN12616000269437).
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Affiliation(s)
- Yuin Yi Lee
- Sports Centre, University of Malaya, Kuala Lumpur, Malaysia
| | - Selina Khoo
- Sports Centre, University of Malaya, Kuala Lumpur, Malaysia
| | - Tony Morris
- Institute of Sport, Exercise and Active Living (ISEAL), College of Sport and Exercise Science, Victoria University, Melbourne, Australia
| | - Clare Hanlon
- Institute of Sport, Exercise and Active Living (ISEAL), College of Sport and Exercise Science, Victoria University, Melbourne, Australia
| | - Lei-Hum Wee
- Faculty of Health Sciences, National University of Malaysia, Kuala Lumpur, Malaysia
| | - Eng Wah Teo
- Sports Centre, University of Malaya, Kuala Lumpur, Malaysia
| | - Yuhanis Adnan
- Sports Centre, University of Malaya, Kuala Lumpur, Malaysia
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Sex differences in drug addiction and response to exercise intervention: From human to animal studies. Front Neuroendocrinol 2016; 40:24-41. [PMID: 26182835 PMCID: PMC4712120 DOI: 10.1016/j.yfrne.2015.07.001] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Revised: 06/08/2015] [Accepted: 07/10/2015] [Indexed: 02/08/2023]
Abstract
Accumulated research supports the idea that exercise could be an option of potential prevention and treatment for drug addiction. During the past few years, there has been increased interest in investigating of sex differences in exercise and drug addiction. This demonstrates that sex-specific exercise intervention strategies may be important for preventing and treating drug addiction in men and women. However, little is known about how and why sex differences are found when doing exercise-induced interventions for drug addiction. In this review, we included both animal and human that pulled subjects from a varied age demographic, as well as neurobiological mechanisms that may highlight the sex-related differences in these potential to assess the impact of sex-specific roles in drug addiction and exercise therapies.
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Bardo MT, Compton WM. Does physical activity protect against drug abuse vulnerability? Drug Alcohol Depend 2015; 153:3-13. [PMID: 26091750 DOI: 10.1016/j.drugalcdep.2015.05.037] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Revised: 05/05/2015] [Accepted: 05/22/2015] [Indexed: 01/09/2023]
Abstract
BACKGROUND The current review examined recent literature to determine our state of knowledge about the potential ability of physical activity serve as a protectant against drug abuse vulnerability. METHODS Both preclinical and clinical studies were examined using either associational or random assignment study designs. In addition to examining drug use as an outcome variable, the potential neural mediators linking physical activity and drug abuse vulnerability were examined. CONCLUSIONS Several important conclusions may be drawn. First, the preclinical evidence is solid in showing that physical activity in various forms is able to serve as both a preventive and treatment intervention that reduces drug use, although voluntary alcohol drinking appears to be an exception to this conclusion. Second, the clinical evidence provides some evidence, albeit mixed, to suggest a beneficial effect of physical activity on tobacco dependent individuals. In contrast, there exists only circumstantial evidence that physical activity may reduce use of drugs other than nicotine, and there is essentially no solid information from random control studies to know if physical activity may prevent initiation of problem use. Finally, both preclinical and clinical evidence shows that various brain systems are altered by physical activity, with the medial prefrontal cortex (mPFC) serving as one potential node that may mediate the putative link between physical activity and drug abuse vulnerability. It is concluded that novel neurobehavioral approaches taking advantage of novel techniques for assessing the physiological impact of physical activity are needed and can be used to inform the longitudinal random control studies that will answer definitively the question posed.
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Affiliation(s)
- Michael T Bardo
- Department of Psychology and Center for Drug Abuse Research Translation, University of Kentucky, Lexington, KY 40536-0509, USA.
| | - Wilson M Compton
- National Institute on Drug Abuse, 6001 Executive Boulevard, MSC 9581, Bethesda, MD 20892-9581, USA
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Promoting pre-quit physical activity to reduce cue reactivity among low-income sedentary smokers: A randomized proof of concept study. Contemp Clin Trials 2015; 42:158-66. [PMID: 25795145 DOI: 10.1016/j.cct.2015.03.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Revised: 03/07/2015] [Accepted: 03/09/2015] [Indexed: 11/23/2022]
Abstract
BACKGROUND Smoking and lack of physical activity (PA) contribute to disproportionate rates of disease among low-income adults. Interventions that simultaneously address both risk behaviors have strong potential to reduce health disparities. Existing smoking-PA studies indicate promising results but have limited generalizability to low-income populations. The goal of this study is to assess the effects of an integrated behavioral counseling approach to promote low-to-moderate intensity PA (LMPA) and reduce short-term smoking cue reactivity among low-income sedentary smokers. METHODS This study uses a randomized, 2-group design with 4 measurement time points: baseline, quit day (week 4), 1-week and 1-month follow-up. Participants (sedentary, smoke>6 cigs/day) receive 4 weeks of either (a) standard smoking cessation counseling (SCC control) or (b) our Step-Up to Quit (SUTQ) intervention that integrates advice for LMPA with SCC. SUTQ counseling focuses on increasing daily steps (walking) to reach 7500-10,000/day by week 4 (quit day) and explicitly links short bouts of LMPA with smoking urge management. Potential for SUTQ to facilitate urge management will be assessed by comparing between-group differences in the reduction (extinction) of quit day cue reactivity. We will explore group differences in quit rates at 1-week and 1-month follow-up. DISCUSSION This novel approach overcomes gaps in the PA-smoking intervention literature by promoting a more realistic PA approach for sedentary populations, using an ecologically valid strategy, integrating LMPA with evidence-based SCC during a 4-week pre-quit period, and testing the SUTQ counseling model in a high-risk sample. Results will guide future efficacy and dissemination studies.
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Linke SE, Ussher M. Exercise-based treatments for substance use disorders: evidence, theory, and practicality. THE AMERICAN JOURNAL OF DRUG AND ALCOHOL ABUSE 2015; 41:7-15. [PMID: 25397661 PMCID: PMC4831948 DOI: 10.3109/00952990.2014.976708] [Citation(s) in RCA: 90] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Epidemiological studies reveal that individuals who report risky substance use are generally less likely to meet physical activity guidelines (with the exception of certain population segments, such as adolescents and athletes). A growing body of evidence suggests that individuals with substance use disorders (SUDs) are interested in exercising and that they may derive benefits from regular exercise, in terms of both general health/fitness and SUD recovery. OBJECTIVES The aims of this paper were to: (i) summarize the research examining the effects of exercise-based treatments for SUDs; (ii) discuss the theoretical mechanisms and practical reasons for investigating this topic; (iii) identify the outstanding relevant research questions that warrant further inquiry; and (iv) describe potential implications for practice. METHODS The following databases were searched for peer-reviewed original and review papers on the topic of substance use and exercise: PubMed Central, MEDLINE, EMBASE, PsycINFO, and CINAHL Plus. Reference lists of these publications were subsequently searched for any missed but relevant manuscripts. Identified papers were reviewed and summarized by both authors. RESULTS The limited research conducted suggests that exercise may be an effective adjunctive treatment for SUDs. In contrast to the scarce intervention trials to date, a relative abundance of literature on the theoretical and practical reasons supporting the investigation of this topic has been published. CONCLUSIONS Definitive conclusions are difficult to draw due to diverse study protocols and low adherence to exercise programs, among other problems. Despite the currently limited and inconsistent evidence, numerous theoretical and practical reasons support exercise-based treatments for SUDs, including psychological, behavioral, neurobiological, nearly universal safety profile, and overall positive health effects.
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Affiliation(s)
- Sarah E. Linke
- Department of Family & Preventive Medicine, University of California, San Diego, La Jolla, CA, USA
| | - Michael Ussher
- Division of Population Health Sciences and Education, St George’s, University of London, London, UK
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Emery RL, Levine MD, Cheng Y, Marcus MD. Change in Body Weight Does Not Mediate the Relationship Between Exercise and Smoking Cessation Among Weight-Concerned Women Smokers. Nicotine Tob Res 2014; 17:1142-8. [PMID: 25542920 DOI: 10.1093/ntr/ntu284] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2014] [Accepted: 12/15/2014] [Indexed: 11/12/2022]
Abstract
INTRODUCTION Exercise has received attention as a method to prevent or reduce postcessation weight gain. However, little is known about how weight changes following quit attempts contribute to the relationship between exercise and smoking cessation. The present study assessed how exercise relates to cessation and whether initial changes in exercise after quitting smoking promote cessation through attenuated weight gain. METHODS Weight-concerned women smokers (N = 342) receiving cessation treatment provided biochemical validation of cessation, reported weekly exercise activities, and were weighed at 1, 3, and 6 months following treatment initiation. Survival analyses were used to determine time to and risk of relapse among women who reported engaging in varied levels of exercise at baseline. A mediation analysis was used to examine whether the effect of initial changes in exercise on longer-term cessation was driven by change in weight. All analyses were adjusted for relevant covariates. RESULTS Women smokers who reported high levels of exercise at baseline were less likely to relapse and returned to smoking more gradually than did women who reported low levels of exercise. Change in weight did not mediate the relationship between exercise and cessation. CONCLUSIONS Cessation interventions utilizing an exercise component may have to develop exercise regimens of either higher duration or greater intensity to produce beneficial cessation outcomes, particularly when targeting sedentary smokers. Given that change in weight did not mediate the relationship between exercise and cessation, it is likely that other mediational processes are involved.
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Affiliation(s)
- Rebecca L Emery
- Department of Psychology, University of Pittsburgh, Pittsburgh, PA;
| | - Michele D Levine
- Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, PA
| | - Yu Cheng
- Department of Statistics, University of Pittsburgh, Pittsburgh, PA
| | - Marsha D Marcus
- Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, PA
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Wang D, Wang Y, Wang Y, Li R, Zhou C. Impact of physical exercise on substance use disorders: a meta-analysis. PLoS One 2014; 9:e110728. [PMID: 25330437 PMCID: PMC4199732 DOI: 10.1371/journal.pone.0110728] [Citation(s) in RCA: 145] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Accepted: 09/16/2014] [Indexed: 12/16/2022] Open
Abstract
OBJECTIVE The goal of this meta-analysis was to examine whether long-term physical exercise could be a potential effective treatment for substance use disorders (SUD). METHODS The PubMed, Web of Science, Elsevier, CNKI and China Info were searched for randomized controlled trials (RCT) studies in regards to the effects of physical exercise on SUD between the years 1990 and 2013. Four main outcome measures including abstinence rate, withdrawal symptoms, anxiety, and depression were evaluated. RESULTS Twenty-two studies were integrated in the meta-analysis. The results indicated that physical exercise can effectively increase the abstinence rate (OR = 1.69 (95% CI: 1.44, 1.99), z = 6.33, p < 0.001), ease withdrawal symptoms (SMD = -1.24 (95% CI: -2.46, -0.02), z = -2, p<0.05), and reduce anxiety (SMD = -0.31 (95% CI: -0.45, -0.16), z = -4.12, p < 0.001) and depression (SMD = -0.47 (95% CI: -0.80, -0.14), z = -2.76, p<0.01). The physical exercise can more ease the depression symptoms on alcohol and illicit drug abusers than nicotine abusers, and more improve the abstinence rate on illicit drug abusers than the others. Similar treatment effects were found in three categories: exercise intensity, types of exercise, and follow-up periods. CONCLUSIONS The moderate and high-intensity aerobic exercises, designed according to the Guidelines of American College of Sports Medicine, and the mind-body exercises can be an effective and persistent treatment for those with SUD.
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Affiliation(s)
- Dongshi Wang
- Department of Sport Psychology, School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Yanqiu Wang
- Department of Sport Psychology, School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Yingying Wang
- Department of Sport Psychology, School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Rena Li
- Department of Sport Psychology, School of Kinesiology, Shanghai University of Sport, Shanghai, China
- Center for Hormone Advanced Science and Education, Roskamp Institute, Sarasota, Florida, United States of America
| | - Chenglin Zhou
- Department of Sport Psychology, School of Kinesiology, Shanghai University of Sport, Shanghai, China
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Abstract
BACKGROUND Taking regular exercise may help people give up smoking by moderating nicotine withdrawal and cravings, and by helping to manage weight gain. OBJECTIVES To determine whether exercise-based interventions alone, or combined with a smoking cessation programme, are more effective than a smoking cessation intervention alone. SEARCH METHODS We searched the Cochrane Tobacco Addiction Group Specialized Register in April 2014, and searched MEDLINE, EMBASE, PsycINFO, and CINAHL Plus in May 2014. SELECTION CRITERIA We included randomized trials which compared an exercise programme alone, or an exercise programme as an adjunct to a cessation programme, with a cessation programme (which we considered the control in this review). Studies were required to recruit smokers or recent quitters and have a follow-up of six months or more. Studies that did not meet the full inclusion criteria because they only assessed the acute effects of exercise on smoking behaviour, or because the outcome was smoking reduction, are summarised but not formally included. DATA COLLECTION AND ANALYSIS We extracted data on study characteristics and smoking outcomes. Because of differences between studies in the characteristics of the interventions used we summarized the results narratively, making no attempt at meta-analysis. We assessed risk of selection and attrition bias using standard methodological procedures expected by The Cochrane Collaboration. MAIN RESULTS We identified 20 trials with a total of 5,870 participants. The largest study was an internet trial with 2,318 participants, and eight trials had fewer than 30 people in each treatment arm. Studies varied in the timing and intensity of the smoking cessation and exercise programmes offered. Only one included study was judged to be at low risk of bias across all domains assessed. Four studies showed significantly higher abstinence rates in a physically active group versus a control group at end of treatment. One of these studies also showed a significant benefit for exercise versus control on abstinence at the three-month follow-up and a benefit for exercise of borderline significance (p = 0.05) at the 12-month follow-up. Another study reported significantly higher abstinence rates at six month follow-up for a combined exercise and smoking cessation programme compared with brief smoking cessation advice. One study showed significantly higher abstinence rates for the exercise group versus a control group at the three-month follow-up but not at the end of treatment or 12-month follow-up. The other studies showed no significant effect for exercise on abstinence. AUTHORS' CONCLUSIONS Only two of the 20 trials offered evidence for exercise aiding smoking cessation in the long term. All the other trials were too small to reliably exclude an effect of intervention, or included an exercise intervention which may not have been sufficiently intense to achieve the desired level of exercise. Trials are needed with larger sample sizes, sufficiently intense interventions in terms of both exercise intensity and intensity of support being provided, equal contact control conditions, and measures of exercise adherence and change in physical activity in both exercise and comparison groups.
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Affiliation(s)
- Michael H Ussher
- Population Health Research Institute, St George's, University of London, Cranmer Terrace, London, UK, SW17 0RE
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Abrantes AM, Bloom EL, Strong DR, Riebe D, Marcus BH, Desaulniers J, Fokas K, Brown RA. A preliminary randomized controlled trial of a behavioral exercise intervention for smoking cessation. Nicotine Tob Res 2014; 16:1094-103. [PMID: 24812023 PMCID: PMC4155424 DOI: 10.1093/ntr/ntu036] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2013] [Accepted: 02/13/2014] [Indexed: 11/14/2022]
Abstract
INTRODUCTION Previous exercise intervention studies for smoking cessation have been challenged by a number of methodological limitations that confound the potential efficacy of aerobic exercise for smoking cessation. METHODS The preliminary efficacy of a behavioral exercise intervention that incorporated features designed to address prior limitations was tested in a randomized controlled trial (RCT). Sixty-one smokers (65.6% female, mean age = 47.3 years, smoked a mean of 19.7 cigarettes/day) were randomized to receive either a 12-week exercise intervention or a 12-week health education contact control. Participants in both conditions received an 8-week telephone-delivered, standard smoking cessation protocol (with the transdermal nicotine patch). Follow-ups were conducted at the end of treatment (EOT), 6- and 12-month timepoints. RESULTS There were no differences between conditions with respect to the number of weekly exercise or health education sessions attended (9.3±2.8 vs. 9.3±3.0, respectively). While not statistically significant, participants in the exercise condition demonstrated higher verified abstinence rates (EOT: 40% vs. 22.6%, odds ratio [OR] = 2.28; 6- and 12-month follow-ups: 26.7% vs. 12.9%, OR = 2.46). Irrespective of treatment condition, higher levels of moderate-to-vigorous exercise were associated with lower levels of depressive symptoms during the intervention. CONCLUSIONS The results of this small RCT point toward the benefit of a behavioral exercise intervention designed to address previous methodological limitations for smoking cessation. Given the potential public health impact of the demonstrated efficacy of exercise for smoking cessation, the continued development and optimization of exercise interventions for smokers through larger RCTs merits pursuit.
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Affiliation(s)
- Ana M Abrantes
- Butler Hospital, Providence, RI; Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI;
| | - Erika Litvin Bloom
- Butler Hospital, Providence, RI; Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI
| | - David R Strong
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI; Department of Family and Preventive Medicine, University of California, San Diego, La Jolla, CA
| | - Deborah Riebe
- Department of Kinesiology, University of Rhode Island, Kingston, RI
| | - Bess H Marcus
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI; Department of Family and Preventive Medicine, University of California, San Diego, La Jolla, CA
| | | | | | - Richard A Brown
- Butler Hospital, Providence, RI; Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI
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Irons JG, Babson KA, Bergeria CL, Bonn-Miller MO. Physical activity and cannabis cessation. Am J Addict 2014; 23:485-92. [PMID: 24629045 DOI: 10.1111/j.1521-0391.2014.12135.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2013] [Revised: 11/17/2013] [Accepted: 11/23/2013] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Based on recent empirical and theoretical work suggesting that physical activity (PA) activates many of the same physiological systems as cannabis, the present study sought to investigate the impact of PA level (ie, low [including none] vs. moderate/high) on a cannabis cessation attempt during the first 7 days post-quit. METHODS The present study was a 2 time-point prospective study of 84 cannabis dependent military veterans (3 female) who responded to study flyers, within a Veterans Affairs Medical Center, seeking individuals interested in engaging in a self-guided cessation attempt. All study measures were self-report. RESULTS Though no baseline differences between those with low and those with moderate/high levels of physical activity were observed, results revealed that participants who reported low levels of physical activity, versus moderate/high levels, were significantly more likely to report a cannabis lapse during the week following a quit attempt, particularly within the first 4 days of the cessation period. Further, individuals with low levels of PA were also more likely to report greater mean cannabis use during the first 4 days of the cessation period. CONCLUSIONS AND SCIENTIFIC SIGNIFICANCE Findings suggest that early interventions aimed at increasing physical activity may be useful among individuals with cannabis dependence who are engaged in a cessation attempt.
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Affiliation(s)
- Jessica G Irons
- Department of Psychology, James Madison University, Harrisonburg, Virginia
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Allen AM, Oncken C, Hatsukami D. Women and Smoking: The Effect of Gender on the Epidemiology, Health Effects, and Cessation of Smoking. CURRENT ADDICTION REPORTS 2014; 1:53-60. [PMID: 27213132 PMCID: PMC4871621 DOI: 10.1007/s40429-013-0003-6] [Citation(s) in RCA: 96] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Smoking is still the leading cause of premature morbidity and mortality. This paper examines new research on gender differences and the epidemiology of smoking, smoking-related morbidity and mortality, and factors that affect smoking cessation. The rate of decline in the prevalence of smoking has been slowing, especially among adolescent girls. New research suggests that, compared with men, women may be more susceptible to smoking-related morbidity and mortality. Gender-related barriers to smoking cessation include weight gain, sex hormones, and mood. Furthermore, the sensory aspects of smoking may have more of an effect on smoking treatment for women than for men. We discuss new studies that examine smoking-cessation interventions that may be particularly beneficial for women, including exercise (as an adjunct intervention), very low nicotine content cigarettes, and a variety of pharmacotherapy. Further research is needed to identify and target the gender-specific needs of smokers.
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Affiliation(s)
- Alicia M Allen
- Department of Family Medicine and Community Health, Medical School, University of Minnesota, 717 Delaware Street SE, Room 422, Minneapolis, MN 55414, USA
| | - Cheryl Oncken
- Department of Medicine and Obstetrics and Gynecology, University of Connecticut School of Medicine, 263 Farmington, Farmington, CT 06030, USA,
| | - Dorothy Hatsukami
- Department of Psychiatry, Medical School, University of Minnesota, 717 Delaware Street SE, Room 256, Minneapolis, MN 55414, USA,
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Williams DM, Ussher M, Dunsiger S, Miranda R, Gwaltney CJ, Monti PM, Emerson J. Overcoming limitations in previous research on exercise as a smoking cessation treatment: rationale and design of the "Quit for Health" trial. Contemp Clin Trials 2013; 37:33-42. [PMID: 24246818 DOI: 10.1016/j.cct.2013.11.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2013] [Revised: 11/04/2013] [Accepted: 11/08/2013] [Indexed: 11/28/2022]
Abstract
Aerobic exercise has been proposed as a stand-alone or adjunct smoking cessation treatment, but findings have been mixed. Laboratory studies have shown that individual exercise sessions lead to decreases in withdrawal symptoms and cigarette cravings, but findings are limited by lack of follow-up and artificial settings. On the other hand, smoking cessation treatment RCTs have generally failed to show positive effects of exercise on smoking cessation, but have been plagued by poor and/or unverified compliance with exercise programs. This paper describes the rationale and design for Quit for Health (QFH)--an RCT designed to determine the efficacy of aerobic exercise as an adjunct smoking cessation treatment among women. To overcome limitations of previous research, compliance with the exercise (and wellness contact control) program is incentivized and directly observed, and ecological momentary assessment is used to examine change over time in withdrawal symptoms and cigarette cravings in participants' natural environments.
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Affiliation(s)
- David M Williams
- Department of Behavioral and Social Sciences, Brown University School of Public Health, Providence, RI, United States.
| | - Michael Ussher
- Division of Population Health Sciences and Education, St. George's, University of London, UK
| | - Shira Dunsiger
- Department of Behavioral and Social Sciences, Brown University School of Public Health, Providence, RI, United States; Centers for Behavioral and Preventive Medicine, The Miriam Hospital, Providence, RI, United States
| | - Robert Miranda
- Department of Psychiatry and Human Behavior, Warren Alpert Medical School of Brown University, Providence, RI, United States
| | - Chad J Gwaltney
- Department of Behavioral and Social Sciences, Brown University School of Public Health, Providence, RI, United States; ERT, inc., 1818 Market St., Suite 1000 Philadelphia, PA 19103, USA
| | - Peter M Monti
- Department of Behavioral and Social Sciences, Brown University School of Public Health, Providence, RI, United States
| | - Jessica Emerson
- Department of Behavioral and Social Sciences, Brown University School of Public Health, Providence, RI, United States
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van der Meer RM, Willemsen MC, Smit F, Cuijpers P. Smoking cessation interventions for smokers with current or past depression. Cochrane Database Syst Rev 2013:CD006102. [PMID: 23963776 DOI: 10.1002/14651858.cd006102.pub2] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND Individuals with current or past depression are often smokers who are more nicotine dependent, more likely to suffer from negative mood changes after nicotine withdrawal, and more likely to relapse to smoking after quitting than the general population, which contributes to their higher morbidity and mortality from smoking-related illnesses. It remains unclear what interventions can help them to quit smoking. OBJECTIVES To evaluate the effectiveness of smoking cessation interventions, with and without specific mood management components, in smokers with current or past depression. SEARCH METHODS In April 2013, we searched the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, EMBASE, PsycINFO, other reviews, and asked experts for information on trials. SELECTION CRITERIA Criteria for including studies in this review were that they had to be randomised controlled trials (RCTs) comparing smoking cessation interventions in adult smokers with current or past depression. Depression was defined as major depression or depressive symptoms. We included studies where subgroups of participants with depression were identified, either pre-stated or post hoc. The outcome was abstinence from smoking after six months or longer follow-up. We preferred prolonged or continuous abstinence and biochemically validated abstinence where available. DATA COLLECTION AND ANALYSIS When possible, we estimated pooled risk ratios (RRs) with the Mantel-Haenszel method (fixed-effect model). We also performed subgroup analyses, by length of follow-up, depression measurement, depression group in study, antidepressant use, published or unpublished data, format of intervention, level of behavioural support, additional pharmacotherapy, type of antidepressant medication, and additional nicotine replacement therapy (NRT). MAIN RESULTS Forty-nine RCTs were included of which 33 trials investigated smoking cessation interventions with specific mood management components for depression. In smokers with current depression, meta-analysis showed a significant positive effect for adding psychosocial mood management to a standard smoking cessation intervention when compared with standard smoking cessation intervention alone (11 trials, N = 1844, RR 1.47, 95% CI 1.13 to 1.92). In smokers with past depression we found a similar effect (13 trials, N = 1496, RR 1.41, 95% CI 1.13 to 1.77). Meta-analysis resulted in a positive effect, although not significant, for adding bupropion compared with placebo in smokers with current depression (5 trials, N = 410, RR 1.37, 95% CI 0.83 to 2.27). There were not enough trial data to evaluate the effectiveness of fluoxetine and paroxetine for smokers with current depression. Bupropion (4 trials, N = 404, RR 2.04, 95% CI 1.31 to 3.18) might significantly increase long-term cessation among smokers with past depression when compared with placebo, but the evidence for bupropion is relatively weak due to the small number of studies and the post hoc subgroups for all the studies. There were not enough trial data to evaluate the effectiveness of fluoxetine, nortriptyline, paroxetine, selegiline, and sertraline in smokers with past depression.Twenty-three of the 49 trials investigated smoking cessation interventions without specific components for depression. There was heterogeneity between the trials which compared psychosocial interventions with standard smoking cessation counselling for both smokers with current and past depression. Therefore, we did not estimate a pooled effect. One trial compared nicotine replacement therapy (NRT) versus placebo in smokers with current depression and found a positive, although not significant, effect (N = 196, RR 2.64, 95% CI 0.93 to 7.45). Meta-analysis also found a positive, although not significant, effect for NRT versus placebo in smokers with past depression (3 trials, N = 432, RR 1.17, 95% CI 0.85 to 1.60). Three trials compared other pharmacotherapy versus placebo and six trials compared other interventions in smokers with current or past depression. Due to heterogeneity between the interventions of the included trials we did not estimate pooled effects. AUTHORS' CONCLUSIONS Evidence suggests that adding a psychosocial mood management component to a standard smoking cessation intervention increases long-term cessation rates in smokers with both current and past depression when compared with the standard intervention alone. Pooled results from four trials suggest that use of bupropion may increase long-term cessation in smokers with past depression. There was no evidence found for the use of bupropion in smokers with current depression. There was not enough evidence to evaluate the effectiveness of the other antidepressants in smokers with current or past depression. There was also not enough evidence to evaluate the group of trials that investigated interventions without specific mood management components for depression, including NRT and psychosocial interventions.
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Linke SE, Ciccolo JT, Ussher M, Marcus BH. Exercise-based smoking cessation interventions among women. ACTA ACUST UNITED AC 2013; 9:69-84. [PMID: 23241156 DOI: 10.2217/whe.12.63] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Although smoking rates are lower among women than men, women are less likely to quit smoking in cessation trials. This is in part due to their tendency to smoke to help prevent or mitigate negative mood/affect, depression and/or postcessation weight gain. Exercise helps to alleviate women's fear of postcessation weight gain and reduces their cessation-related mood symptoms, making it a theoretically ideal smoking cessation intervention for women. In addition, short bouts of exercise decrease cigarette cravings and withdrawal symptoms among temporarily abstinent smokers. However, results from exercise-based smoking cessation interventions to date have been mostly nonsignificant. This paper describes the theoretical mechanisms (psychological, behavioral, physiological and neurobiological) and practical reasons underlying our belief that exercise-based smoking cessation interventions should not yet be abandoned despite their current paucity of supporting evidence. It also presents ideas for modifying future exercise-based smoking cessation interventions to increase adherence and, as a result, more accurately evaluate the effect of exercise on smoking cessation.
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Affiliation(s)
- Sarah E Linke
- Department of Family & Preventive Medicine, University of California, San Diego, 9500 Gilman Drive, Box 0628, La Jolla, CA 92093-0628, USA.
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Vujanovic AA, Farris SG, Harte CB, Smits JAJ, Zvolensky MJ. Smoking Status and Exercise in relation to PTSD Symptoms: A Test among Trauma-Exposed Adults. Ment Health Phys Act 2013; 6:10.1016/j.mhpa.2012.12.001. [PMID: 24273598 PMCID: PMC3833670 DOI: 10.1016/j.mhpa.2012.12.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The present investigation examined the interactive effect of cigarette smoking status (i.e., regular smoking versus non-smoking) and weekly exercise (i.e., weekly metabolic equivalent) in terms of posttraumatic stress (PTSD) symptom severity among a community sample of trauma-exposed adults. Participants included 86 trauma-exposed adults (58.1% female; Mage = 24.3). Approximately 59.7% of participants reported regular (≥ 10 cigarettes per day) daily smoking over the past year. The interactive effect of smoking status by weekly exercise was significantly associated with hyperarousal and avoidance symptom cluster severity (p ≤ .05). These effects were evident above and beyond number of trauma types and gender, as well as the respective main effects of smoking status and weekly exercise. Follow-up tests indicated support for the moderating role of exercise on the association between smoking and PTSD symptoms, such that the highest levels of PTSD symptoms were observed among regular smokers reporting low weekly exercise levels. Theoretical and clinical implications of the findings are discussed.
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Affiliation(s)
- Anka A. Vujanovic
- University of Texas Health Science Center at Houston, Medical School - Department of Psychiatry and Behavioral Sciences, 2800 South MacGregor Way, Houston, TX 77021
| | - Samantha G. Farris
- University of Houston, Department of Psychology, 126 Heyne Building, Houston, TX 77204-5502;
| | | | - Jasper A. J. Smits
- Southern Methodist University, Department of Psychology, 6116 N. Central Expressway, Suite 1100, Dallas, TX 75206;
| | - Michael J. Zvolensky
- University of Houston, Department of Psychology, 126 Heyne Building, Houston, TX 77204-5502;
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Haasova M, Warren FC, Ussher M, Janse Van Rensburg K, Faulkner G, Cropley M, Byron-Daniel J, Everson-Hock ES, Oh H, Taylor AH. The acute effects of physical activity on cigarette cravings: systematic review and meta-analysis with individual participant data. Addiction 2013; 108:26-37. [PMID: 22861822 DOI: 10.1111/j.1360-0443.2012.04034.x] [Citation(s) in RCA: 125] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Revised: 06/01/2012] [Accepted: 07/26/2012] [Indexed: 11/30/2022]
Abstract
AIMS To conduct an updated systematic review and the first meta-analysis of experimental trials investigating the acute effects of short bouts of physical activity (PA) on strength of desire (SoD) and desire to smoke (DtS) using individual participant data (IPD). METHODS A systematic review of literature and IPD meta-analyses included trials assessing the acute effects of shorts bouts of PA on SoD and DtS among temporarily abstaining smokers not using pharmaceutical aids for smoking cessation. Authors of eligible studies were contacted and raw IPD were obtained. Two-stage and one-stage IPD random-effects meta-analyses were conducted. Participants engaging in PA were compared against control participants, using post-intervention SoD and DtS with baseline adjustments. RESULTS A two-stage IPD meta-analysis assessing effects of PA on SoD yielded an average standardized mean difference (SMD) between PA and control conditions (across 15 primary studies) of -1.91 [95% confidence interval (CI): -2.59 to -1.22]. A two-stage IPD meta-analysis assessing effects of PA on DtS yielded an average SMD between PA and control conditions (across 17 primary studies) of -2.03 (95% CI: -2.60 to -1.46). Additional meta-analyses, including those using a one-stage model, those including only parallel arm studies and meta-analyses comparing only moderate exercise against a control condition, showed significant craving reduction following PA. Despite a high degree of between-study heterogeneity, effects sizes of all primary studies were in the same direction, with PA showing a greater reduction in cravings compared with controls. CONCLUSIONS There is strong evidence that physical activity acutely reduces cigarette craving.
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The Pap smear screening as an occasion for smoking cessation and physical activity counselling: effectiveness of the SPRINT randomized controlled trial. BMC Public Health 2012; 12:740. [PMID: 22950883 PMCID: PMC3491017 DOI: 10.1186/1471-2458-12-740] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2012] [Accepted: 08/30/2012] [Indexed: 12/01/2022] Open
Abstract
Background The organized Cervical Cancer Screening Programme (CCSP) in Italy might represent an occasion to deliver smoking cessation (SC) counselling to women attending the Pap test examination. Evidence of effectiveness of physical activity (PA) promotion and intervention in adjunct to SC counselling is not strong. Objective of the SPRINT trial was to evaluate the effectiveness of a standard SC counselling intervention delivered by trained midwives in the CCSP, and whether the adjunct of a PA counselling to the SC counselling might increase quit rates. Methods/Design We undertook a randomized controlled trial of 1,100 women undergoing the Pap examination in the three study centres Florence, Turin, and Mantua: 363 were randomly assigned to the SC counselling arm, 366 to the SC + PA counselling arm, and 371 to the control group. The intervention was a standard brief SC counselling combined with a brief counselling on increasing PA, and was tailored according to the Di Clemente-Prochaska motivational stages of change for SC and/or PA. Primary outcomes were quit rates, improvement in the motivational stages of change for SC, and reduced daily cigarette consumption. Analysis was by intention to treat. Results Participants randomized in both intervention arms and in the preparation stage of change for SC doubled their likelihood of quitting at 6-month follow-up in comparison to controls (odds ratio [OR]=2.1, 95% confidence interval [95% CI]:1.0-4.6). Moreover, participants in the intervention arms and in the contemplation stage were more likely to reduce their daily cigarette consumption after the intervention (OR=1.8, 95% CI:1.1-3.0). Our study did not show any effect of PA counselling on various outcomes. Conclusions Smoking cessation counselling delivered by midwives to smokers in preparation and contemplation stages of change during the Pap-smear screening was effective and should be recommended, given the high number of women attending the cervical cancer screening programme in Italy. Moreover, the daily number of women invited for the Pap-smear examination should be slightly lowered, in order to let midwives deliver SC counselling to smokers. Trial registration Current Controlled Trials ISRCTN52660565
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Whiteley JA, Williams DM, Dunsiger S, Jennings EG, Ciccolo JT, Bock BC, Albrecht A, Parisi A, Linke SE, Marcus BH. YMCA commit to quit: randomized trial outcomes. Am J Prev Med 2012; 43:256-62. [PMID: 22898118 DOI: 10.1016/j.amepre.2012.05.025] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2011] [Revised: 03/09/2012] [Accepted: 05/04/2012] [Indexed: 10/28/2022]
Abstract
BACKGROUND Vigorous-intensity exercise has been shown to aid in smoking cessation, especially among women. In a previous trial, cognitive behavioral therapy (CBT) for smoking cessation plus regular vigorous aerobic exercise enhanced cessation rates, improved exercise capacity, and reduced weight gain compared to CBT plus equal contact time. PURPOSE This study examined the effectiveness of this program adapted for and implemented in the YMCAs. DESIGN An RCT comparing CBT + Exercise (Exercise) to CBT + Contact Control (Control). SETTING/PARTICIPANTS Apparently healthy female smokers were recruited to four local YMCAs. INTERVENTION YMCA staff members were trained to lead the manualized CBT smoking-cessation intervention and a standardized YMCA exercise program. MAIN OUTCOME MEASURES Seven-day point prevalence and continuous abstinence. RESULTS Participants (330 women, mean age=44 years) were randomized to the Exercise (n=166) or Control (n=164) group. Results revealed no differences in 7-day point prevalence (29.5% vs 29.9%) nor continuous abstinence (13.9% vs 14.0%) between the Exercise and Control groups, respectively, at end of treatment or at the 3-, 6-, and 12-month follow-up. An examination of the relationship between exercise dose and quit status at end of treatment revealed that over 12 weeks, the odds of being quit (7-day point prevalence) grew by 4.5% for each additional aerobic exercise session (OR=1.05, 95% CI=1.01, 1.08) and by 7.7% for each additional resistance training session (OR=1.08, 95% CI=1.02, 1.14). Analyses were conducted between August 19, 2010, and December 16, 2011. CONCLUSIONS No differences were seen between groups in smoking outcomes. The association between greater exercise participation and higher odds of quitting within the exercise condition suggests that the lack of between-group differences might be a result of poor compliance with the exercise program. TRIAL REGISTRATION This study is registered at clinicaltrials.govNCT01615380.
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Affiliation(s)
- Jessica A Whiteley
- Department of Exercise and Health Sciences, University of Massachusetts Boston, Boston, Massachusetts 02125, USA.
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Bernard P, Ninot G, Guillaume S, Fond G, Courtet P, Christine Picot M, Quantin X. Physical Activity as a Protective Factor in Relapse Following Smoking Cessation in Participants with a Depressive Disorder. Am J Addict 2012; 21:348-55. [DOI: 10.1111/j.1521-0391.2012.00242.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Zschucke E, Heinz A, Ströhle A. Exercise and physical activity in the therapy of substance use disorders. ScientificWorldJournal 2012; 2012:901741. [PMID: 22629222 PMCID: PMC3354725 DOI: 10.1100/2012/901741] [Citation(s) in RCA: 95] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2011] [Accepted: 12/08/2011] [Indexed: 11/17/2022] Open
Abstract
Exercise and physical activity are constantly gaining attention as adjuvant treatment for substance use disorders, supplementing classical pharmacological and psychotherapeutic approaches. The present work reviews studies addressing the therapeutic effects of exercise in alcohol abuse/dependence, nicotine abuse/dependence, and illicit drug abuse/dependence. In the field of smoking cessation, evidence is strong for exercise as an effective adjuvant treatment, whereas no generalizable and methodologically strong studies have been published for alcohol and drug treatment so far, allowing only preliminary conclusions about the effectiveness of exercise in these disorders. A couple of potential mechanisms are discussed, by which exercise may act as an effective treatment, as well as future directions for studies investigating exercise as a treatment strategy for substance use disorders.
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Affiliation(s)
- Elisabeth Zschucke
- Klinik für Psychiatrie und Psychotherapie, Charité-Universitätsmedizin Berlin, Charité Campus Mitte, Charitéplatz 1, 101117 Berlin, Germany.
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Abstract
BACKGROUND Taking regular exercise may help people give up smoking by moderating nicotine withdrawal and cravings, and by helping to manage weight gain. OBJECTIVES To determine whether exercise-based interventions alone, or combined with a smoking cessation programme, are more effective than a smoking cessation intervention alone. SEARCH METHODS In July 2011, we searched the Cochrane Tobacco Addiction Group Specialized Register for studies including the terms 'exercise' or 'physical activity'. We also searched MEDLINE, EMBASE, PsycINFO, Dissertation Abstracts and CINAHL using the terms 'exercise' or 'physical activity' and 'smoking cessation'. SELECTION CRITERIA We included randomized trials which compared an exercise programme alone, or an exercise programme as an adjunct to a cessation programme, with a cessation programme, recruiting smokers or recent quitters, and with a follow up of six months or more. DATA COLLECTION AND ANALYSIS We extracted data on study characteristics and smoking outcomes. Because of differences in studies we summarized the results narratively, making no attempt at meta-analysis. MAIN RESULTS We identified 15 trials, seven of which had fewer than 25 people in each treatment arm. They varied in the timing and intensity of the smoking cessation and exercise programmes. Three studies showed significantly higher abstinence rates in a physically active group versus a control group at end of treatment. One of these studies also showed a significant benefit for exercise versus control on abstinence at the three-month follow up and a benefit for exercise of borderline significance (p = 0.05) at the 12-month follow up. One study showed significantly higher abstinence rates for the exercise group versus a control group at the three-month follow up but not at the end of treatment or 12-month follow up. The other studies showed no significant effect for exercise on abstinence. AUTHORS' CONCLUSIONS Only one of the 15 trials offered evidence for exercise aiding smoking cessation at a 12-month follow up. All the other trials were too small to reliably exclude an effect of intervention, or included an exercise intervention which was insufficiently intense to achieve the desired level of exercise. Trials are needed with larger sample sizes, sufficiently intense interventions, equal contact control conditions, and measures of exercise adherence and change in physical activity in both exercise and comparison groups.
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Affiliation(s)
- Michael H Ussher
- Division of PopulationHealth Sciences and Education, StGeorge’s,University of London,CranmerTerrace, London, SW17 0RE, UK.
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Abstract
Stress has long been suggested to be an important correlate of uncontrolled drinking and relapse. An important hormonal response system to stress-the hypothalamic-pituitary-adrenal (HPA) axis-may be involved in this process, particularly stress hormones known as glucocorticoids and primarily cortisol. The actions of this hormone system normally are tightly regulated to ensure that the body can respond quickly to stressful events and return to a normal state just as rapidly. The main determinants of HPA axis activity are genetic background, early-life environment, and current life stress. Alterations in HPA axis regulation are associated with problematic alcohol use and dependence; however, the nature of this dysregulation appears to vary with respect to stage of alcohol dependence. Much of this research has focused specifically on the role of cortisol in the risk for, development of, and relapse to chronic alcohol use. These studies found that cortisol can interact with the brain's reward system, which may contribute to alcohol's reinforcing effects. Cortisol also can influence a person's cognitive processes, promoting habit-based learning, which may contribute to habit formation and risk of relapse. Finally, cortisol levels during abstinence may be useful clinical indicators of relapse vulnerability in alcohol-dependent people.
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The Pap smear screening as an occasion for smoking cessation and physical activity counselling: baseline characteristics of women involved in the SPRINT randomized controlled trial. BMC Public Health 2011; 11:906. [PMID: 22151834 PMCID: PMC3265620 DOI: 10.1186/1471-2458-11-906] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2011] [Accepted: 12/07/2011] [Indexed: 11/26/2022] Open
Abstract
Background Gender-specific smoking cessation strategies have rarely been developed. Evidence of effectiveness of physical activity (PA) promotion and intervention in adjunct to smoking cessation programs is not strong. SPRINT study is a randomized controlled trial (RCT) designed to evaluate a counselling intervention on smoking cessation and PA delivered to women attending the Italian National Health System Cervical Cancer Screening Program. This paper presents study design and baseline characteristics of the study population. Methods/Design Among women undergoing the Pap examination in three study centres (Florence, Turin, Mantua), participants were randomized to the smoking cessation counselling [S], the smoking cessation + PA counselling [S + PA], or the control [C] groups. The program under evaluation is a standard brief counselling on smoking cessation combined with a brief counselling on increasing PA, and was delivered in 2010. A questionnaire, administered before, after 6 months and 1 year from the intervention, was used to track behavioural changes in tobacco use and PA, and to record cessation rates in participants. Discussion Out of the 5,657 women undergoing the Pap examination, 1,100 participants (55% of smokers) were randomized in 1 of the 3 study groups (363 in the S, 366 in the S + PA and 371 in the C groups). The three arms did not differ on any demographic, PA, or tobacco-use characteristics. Recruited smokers were older, less educated than non-participant women, more motivated to quit (33% vs.9% in the Preparation stage, p < 0.001), smoked more cigarettes per day (12 vs.9, p < 0.001), and were more likely to have already done 1 or more quit attempts (64% vs.50%, p < 0.001). The approach of SPRINT study appeared suitable to enrol less educated women who usually smoke more and have more difficulties to quit. Trial registration number ISRCTN: ISRCTN52660565
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Williams DM, Dunsiger S, Whiteley JA, Ussher MH, Ciccolo JT, Jennings EG. Acute effects of moderate intensity aerobic exercise on affective withdrawal symptoms and cravings among women smokers. Addict Behav 2011; 36:894-7. [PMID: 21543158 DOI: 10.1016/j.addbeh.2011.04.001] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2010] [Revised: 01/27/2011] [Accepted: 04/06/2011] [Indexed: 12/13/2022]
Abstract
A growing number of laboratory studies have shown that acute bouts of aerobic exercise favorably impact affect and cravings among smokers. However, randomized trials have generally shown exercise to have no favorable effect on smoking cessation or withdrawal symptoms during quit attempts. The purpose of the present study was to explore this apparent contradiction by assessing acute changes in affect and cravings immediately prior to and following each exercise and contact control session during an eight-week smoking cessation trial. Sixty previously low-active, healthy, female smokers were randomized to an eight-week program consisting of brief baseline smoking cessation counseling and the nicotine patch plus either three sessions/week of moderate intensity aerobic exercise or contact control. Findings revealed a favorable impact of exercise on acute changes in positive activated affect (i.e., energy), negative deactivated affect (i.e., tiredness), and cigarette cravings relative to contact control. However, effects dissipated from session to session. Results suggest that aerobic exercise has potential as a smoking cessation treatment, but that it must be engaged in frequently and consistently over time in order to derive benefits. Thus, it is not surprising that previous randomized controlled trials-in which adherence to exercise programs has generally been poor-have been unsuccessful in showing effects of aerobic exercise on smoking cessation outcomes.
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Affiliation(s)
- David M Williams
- Institute for Community Health Promotion, Brown University, Providence, RI 02912, USA.
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Ciccolo JT, Dunsiger SI, Williams DM, Bartholomew JB, Jennings EG, Ussher MH, Kraemer WJ, Marcus BH. Resistance training as an aid to standard smoking cessation treatment: a pilot study. Nicotine Tob Res 2011; 13:756-60. [PMID: 21504883 DOI: 10.1093/ntr/ntr068] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
INTRODUCTION Research indicates that exercise may be helpful for smoking cessation; however, the majority of studies have focused only on women and only on aerobic exercise. This pilot study explored the use of resistance training (RT) (i.e., weight lifting) as an adjunctive strategy for quitting smoking for both men and women. METHODS A sample of 25 smokers received a brief smoking cessation counseling session and the nicotine patch prior to being randomized into a 12-week RT or contact control (CC) group. Assessments were conducted at baseline, 3-month, and at a 6-month follow-up. RESULTS Participants (52% female) averaged 36.5 years (SD = 12.0) of age and 19.1 years (SD = 12.0) of smoking. At the 3-month assessment, objectively verified 7-day point prevalence abstinence (PPA) rates were 46% for the RT group and 17% for CC; prolonged abstinence rates were 16% and 8%, respectively. At the 6-month assessment, objectively verified 7-day PPA rates were 38% for the RT group and 17% for CC; prolonged abstinence rates were 15% and 8%, respectively. Mean body weight decreased 0.6 kg (SD = 1.7) in the RT group and increased 0.6 kg (SD = 2.8) in the CC group. Mean body fat decreased 0.5% (SD = 1.8) in the RT group and increased 0.6% (SD = 0.7) in the CC. CONCLUSIONS This is the first study reporting on the use of a RT program as an aid to smoking cessation treatment. The findings suggest that such a program is feasible as an adjunctive treatment for smoking cessation. An adequately powered trial is warranted.
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Affiliation(s)
- Joseph T Ciccolo
- The Miriam Hospital, Alpert Medical School of Brown University, Providence, RI 02903, USA.
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Abstract
BACKGROUND Taking regular exercise may help people give up smoking by moderating nicotine withdrawal and cravings, and by helping to manage weight gain. OBJECTIVES To determine whether exercise-based interventions alone or combined with a smoking cessation programme are more effective than a smoking cessation intervention alone. SEARCH STRATEGY In July 2008, we searched the Cochrane Tobacco Addiction Group Specialized Register for studies including the terms 'exercise' or 'physical activity'. We also searched MEDLINE, EMBASE, PsycINFO, Dissertation Abstracts and CINAHL. SELECTION CRITERIA We included randomized trials which compared an exercise programme alone, or an exercise programme as an adjunct to a cessation programme, with a cessation programme, recruiting smokers or recent quitters, and with a follow up of six months or more. DATA COLLECTION AND ANALYSIS We extracted data on study characteristics and smoking outcomes. Because of differences in studies we summarized the results narratively, making no attempt at meta-analysis. MAIN RESULTS We identified 13 trials, six of which had fewer than 25 people in each treatment arm. They varied in the timing and intensity of the smoking cessation and exercise programmes. Three studies showed significantly higher abstinence rates in a physically active group versus a control group at end of treatment. One of these studies also showed a significant benefit for exercise versus control on abstinence at the three-month follow up and a benefit for exercise of borderline significance (P = 0.05) at the 12-month follow up. One study showed significantly higher abstinence rates for the exercise group versus a control group at the three-month follow up but not at the end of treatment or 12-month follow up. The other studies showed no significant effect for exercise on abstinence. AUTHORS' CONCLUSIONS Only one of the 13 trials offered evidence for exercise aiding smoking cessation at a 12-month follow up. All the other trials were too small to exclude reliably an effect of intervention, or included an exercise intervention which was insufficiently intense to achieve the desired level of exercise. Trials are needed with larger sample sizes, sufficiently intense interventions, equal contact control conditions, measures of exercise adherence and change in physical activity in both exercise and comparison groups.
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Affiliation(s)
- Michael H Ussher
- Division of Community Health Sciences, St George's, University of London, Cranmer Terrace, London, UK, SW17 0RE.
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