- ICH GCP
- US-Register für klinische Studien
- Klinische Studie NCT01303081
Pilot Randomized Control Trial of Financial Incentives for Smoking Cessation
Financial Incentive Structures for Smoking Cessation: A Pilot Randomized Trial
Financial incentives may be more effective than other approaches to smoking cessation, but research is needed to identify the optimal structures of incentives. The investigators will conduct a pilot randomized trial comparing different incentive structures for smoking cessation. Collaborating with Walgreens leadership, the investigators will enroll their employees in this RCT using the investigators new web-based research infrastructure (called the Way to Health platform, and approved as a Prime protocol by the IRB as reference # 811860).
Hypothesis: providing patients with financial incentives can promote healthier behaviors (e.g.: quit smoking).
Studienübersicht
Status
Bedingungen
Detaillierte Beschreibung
This study is designed to explore the potential efficacy of using internet-based incentive programs to promote smoking cessation. We also hope to document that we can recruit participants through a web site, as well as investigate what forms of incentives show the most promise. We seek to achieve three specific objectives: (1) assess our ability to recruit participants for several different types of intervention-based smoking programs; (2) document the feasibility of using the internet to accrue and disburse incentive payments; (3) obtain preliminary assessments of which incentive structures show the most promise for future study.
Potential participants will be directed to the Way to Health research portal and will be assessed for eligibility. The web application will automatically verify eligibility based on the results of the survey. If a person is deemed eligible, he or she will be invited to consent to participate in a non-pharmacologic smoking cessation study lasting 3 months. Participants who consent will be randomized automatically to one of the 5 intervention arms (including the no-incentive arm) by the web application.
Once the participant consents and submits the necessary financial information, he will gain access to the participant interface. At this point, they will receive detailed descriptions of their assigned incentive structures (or usual care provisions), will indicate their acceptance of their assigned structure and, for those in arms 3, 4, or 5, make their required deposits. Also, he will be prompted to take an initial survey on his baseline smoking habits. The participant will be able to log into this interface at anytime and see a graph of his self-reported smoking habits along with a graph of approximately how much money he has saved compared to his baseline smoking levels. Participants will indicate their preferred method of contact: email, text-messaging, or both. Every week the participant will receive an email or text-message reminder to log in and complete a weekly smoking report. Participants can also log in at any time and report on their smoking habits for a given day or days to improve accuracy. After three months all subjects will be e-mailed to prompt them to log into the web application to take a final smoking habits survey. Participants who report having remained smoke free for the last month of the study will submit saliva (or urine, for participants using any form of nicotine replacement therapy) samples to test for cotinine (or anabasine) to verify that they have quit. Once this has been verified, the participant will be sent whatever financial incentives he has earned and any deposit will be returned.
The design of this study differs from a traditional RCT in two important ways. First, because the goal of this RCT is to focus on mechanisms of behavior change, we include a primary per-protocol analysis designed to determine incentive structures' efficacy by analyzing only participants who accept their assigned incentive structure at the time of randomization. In this analysis, the randomization arm will be entered into the analytic model as an instrumental variable to mitigate potential selection bias. As in a traditional RCT, we will also analyze each incentive structures' effectiveness using an intention-to-treat analysis that includes all randomized participants, regardless of whether they accept the randomly assigned arm. The second difference is that because acceptance rates of the different structures may differ (as we will test in Aim II), we will adapt the probabilities of being randomized to each arm on a weekly basis during the enrollment period to achieve the target numbers of participants in the per-protocol analysis.
Studientyp
Einschreibung (Tatsächlich)
Phase
- Unzutreffend
Kontakte und Standorte
Studienorte
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Pennsylvania
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Philadelphia, Pennsylvania, Vereinigte Staaten, 19104
- University of Pennsylvania
-
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Teilnahmekriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Beschreibung
Inclusion Criteria:
- Active smoker of 5 cigarettes per day for at least 6 months
- At least 18 years old
- Interested in quitting smoking
- Current full-time employee of Walgreens
Exclusion Criteria:
- Plan to stop working at Walgreens in the next 12 months
- Currently use a form of tobacco other than cigarettes (as this may influence biochemical testing)
- Are unable or unwilling to access the internet
- Are unable to provide informed consent
- Do not have reliable computer or internet access
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
- Hauptzweck: Behandlung
- Zuteilung: Zufällig
- Interventionsmodell: Parallele Zuordnung
- Maskierung: Doppelt
Waffen und Interventionen
Teilnehmergruppe / Arm |
Intervention / Behandlung |
---|---|
Experimental: Individual Rewards
Same as USUAL CARE arm, plus financial incentive as follows: if participants quit smoking by their target quit date, and that is confirmed by cotinine or anabasine tests, they will receive a monetary award from the study investigators.
|
If participants quit smoking by their target quit date, and that is confirmed by cotinine/anabasine tests, they will receive a monetary award from the study investigators.
|
Aktiver Komparator: Usual Care
Participants will be offered free smoking cessation programs, and be provided web-based education regarding the health and economic benefits of smoking cessation.
Participants will also have the opportunity to submit weekly reports on their smoking habits.
They will be informed that they will receive reimbursements for completing the surveys that are part of the Way To Quit program and for submitting saliva or urine samples at 14 days and 3 months (among those eligible).
|
Participants will receive reimbursements for completing the surveys that are part of the Way To Quit program and for submitting saliva or urine samples at 14 days and 3 months (among those eligible).
|
Experimental: Fixed Deposits
Same as USUAL CARE arm, plus financial incentive as follows: participants will have to deposit a certain monetary amount of their own money as an incentive to quit smoking.
If they quit smoking by their target quit date, and that is confirmed by cotinine or anabasine tests, participants will receive their deposit back.
If participants do not quit, their money will be used to support future research studies designed to help people stop smoking.
|
Participants will have to deposit a certain monetary amount of their own money as an incentive to quit smoking.
If they quit smoking by their target quit date, and that is confirmed by cotinine/anabasine tests, participants will receive their deposit back.
If participants do not quit, their money will be used to support future research studies designed to help people stop smoking.
|
Experimental: Chosen Deposits
Same as USUAL CARE, plus financial incentive as follows: participants will choose their deposit amount (XX = chosen deposit); this same amount will be returned upon success (that is, quit smoking by the target quit date, and having this confirmed by cotinine or anabasine tests).
If participants do not quit, their money will be used to support future research studies designed to help people stop smoking.
The default deposit will be set to a certain monetary amount for consistency with other arms, and participants can increase or decrease this amount until they reach the amount they want to deposit.
|
Participants will choose their deposit amount (XX = chosen deposit); this same amount will be returned upon success (that is, quit smoking by the target quit date, and having this confirmed by cotinine/anabasine tests).
If participants do not quit, their money will be used to support future research studies designed to help people stop smoking.
The default deposit will be set to a certain monetary amount for consistency with other arms, and participants can increase or decrease this amount until they reach the amount they want to deposit.
|
Experimental: Competitive Deposits (Pari-Mutuel)
Same as USUAL CARE, plus financial incentive as follows: groups (or "cohorts") of 6 smokers each will be formed on a rolling basis, linking individuals with target quit dates (day "0's") near each other.
Participants will deposit a certain monetary amount (Y) in an account, and the payout for quitting on this arm will be Y x 6/Q , where Q is the number of quits in the cohort.
Again, success will be confirmed by cotinine or anabasine tests, and if participants do not quit, their money will be used to support future research studies designed to help people stop smoking.
|
Groups (or "cohorts") of 6 smokers each will be formed on a rolling basis, linking individuals with target quit dates (day "0's") near each other.
Participants will deposit a certain monetary amount (Y) in an account, and the payout for quitting on this arm will be Y x 6/Q , where Q is the number of quits in the cohort.
Again, success will be confirmed by cotinine or anabasine tests, and if participants do not quit, their money will be used to support future research studies designed to help people stop smoking.
|
Was misst die Studie?
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
---|---|---|
Salivary cotinine or urinary anabasine testing (metabolites of nicotine)
Zeitfenster: at 3 months following the patient-selected target quit date
|
The primary measure of smoking cessation will be prolonged abstinence for 3 months, which will be measured by salivary cotinine testing or by urinary anabasine testing (for those participants using nicotine replacement therapy).
Saliva samples will be analyzed using semi-quantitative immunochromatographic assay test strips at the University of Pennsylvania.
Urine samples will be analyzed using gas chromatography at the Associated Regional and University Pathologists (ARUP) Lab, at the University of Utah.
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at 3 months following the patient-selected target quit date
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Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
---|---|---|
Salivary cotinine or urinary anabasine testing (metabolites of nicotine)
Zeitfenster: at 14 days following the patient-selected target quit date
|
The secondary measure of smoking cessation will be point-prevalent quit rates at 14 days, which will also be measured by salivary cotinine testing or by urinary anabasine testing (for those participants using nicotine replacement therapy).
Saliva samples will be analyzed using semi-quantitative immunochromatographic assay test strips at the University of Pennsylvania.
Urine samples will be analyzed using gas chromatography at the Associated Regional and University Pathologists (ARUP) Lab, at the University of Utah.
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at 14 days following the patient-selected target quit date
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Mitarbeiter und Ermittler
Sponsor
Mitarbeiter
Ermittler
- Hauptermittler: David Asch, MD, MBA, University of Pennsylvania
- Hauptermittler: Scott Halpern, MD, Ph.D., University of Pennsylvania, Department of Medicine, Pulmonary, Allergy and Critical Care
- Hauptermittler: Kevin Volpp, MD, Ph.D., University of Pennsylvania
- Hauptermittler: Benjamin French, MS, Ph.D., University of Pennsylvania
- Hauptermittler: Dylan Small, Ph.D., University of Pennsylvania
Publikationen und hilfreiche Links
Allgemeine Veröffentlichungen
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- Donatelle R, Hudson D, Dobie S, Goodall A, Hunsberger M, Oswald K. Incentives in smoking cessation: status of the field and implications for research and practice with pregnant smokers. Nicotine Tob Res. 2004 Apr;6 Suppl 2:S163-79. doi: 10.1080/14622200410001669196.
- Volpp KG, Gurmankin Levy A, Asch DA, Berlin JA, Murphy JJ, Gomez A, Sox H, Zhu J, Lerman C. A randomized controlled trial of financial incentives for smoking cessation. Cancer Epidemiol Biomarkers Prev. 2006 Jan;15(1):12-8. doi: 10.1158/1055-9965.EPI-05-0314.
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- Audrain J, Boyd NR, Roth J, Main D, Caporaso NF, Lerman C. Genetic susceptibility testing in smoking-cessation treatment: one-year outcomes of a randomized trial. Addict Behav. 1997 Nov-Dec;22(6):741-51. doi: 10.1016/s0306-4603(97)00060-9.
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- Coffield AB, Maciosek MV, McGinnis JM, Harris JR, Caldwell MB, Teutsch SM, Atkins D, Richland JH, Haddix A. Priorities among recommended clinical preventive services. Am J Prev Med. 2001 Jul;21(1):1-9. doi: 10.1016/s0749-3797(01)00308-7.
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- Pomerleau CS, Carton SM, Lutzke ML, Flessland KA, Pomerleau OF. Reliability of the Fagerstrom Tolerance Questionnaire and the Fagerstrom Test for Nicotine Dependence. Addict Behav. 1994 Jan-Feb;19(1):33-9. doi: 10.1016/0306-4603(94)90049-3.
- Hymowitz N, Cummings KM, Hyland A, Lynn WR, Pechacek TF, Hartwell TD. Predictors of smoking cessation in a cohort of adult smokers followed for five years. Tob Control. 1997;6 Suppl 2(Suppl 2):S57-62. doi: 10.1136/tc.6.suppl_2.s57.
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- Halpern SD, Madison KM, Volpp KG. Patients as mercenaries?: the ethics of using financial incentives in the war on unhealthy behaviors. Circ Cardiovasc Qual Outcomes. 2009 Sep;2(5):514-6. doi: 10.1161/CIRCOUTCOMES.109.871855. No abstract available.
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- Higgins ST, Heil SH, Dantona R, Donham R, Matthews M, Badger GJ. Effects of varying the monetary value of voucher-based incentives on abstinence achieved during and following treatment among cocaine-dependent outpatients. Addiction. 2007 Feb;102(2):271-81. doi: 10.1111/j.1360-0443.2006.01664.x.
- Centers for Disease Control and Prevention (CDC). Cigarette smoking among adults and trends in smoking cessation - United States, 2008. MMWR Morb Mortal Wkly Rep. 2009 Nov 13;58(44):1227-32.
- Hughes JR. Motivating and helping smokers to stop smoking. J Gen Intern Med. 2003 Dec;18(12):1053-7. doi: 10.1111/j.1525-1497.2003.20640.x.
- Hennrikus DJ, Jeffery RW, Lando HA, Murray DM, Brelje K, Davidann B, Baxter JS, Thai D, Vessey J, Liu J. The SUCCESS project: the effect of program format and incentives on participation and cessation in worksite smoking cessation programs. Am J Public Health. 2002 Feb;92(2):274-9. doi: 10.2105/ajph.92.2.274.
- Greenland S, Schwartzbaum JA, Finkle WD. Problems due to small samples and sparse data in conditional logistic regression analysis. Am J Epidemiol. 2000 Mar 1;151(5):531-9. doi: 10.1093/oxfordjournals.aje.a010240.
- Jacob P 3rd, Yu L, Wilson M, Benowitz NL. Selected ion monitoring method for determination of nicotine, cotinine and deuterium-labeled analogs: absence of an isotope effect in the clearance of (S)-nicotine-3',3'-d2 in humans. Biol Mass Spectrom. 1991 May;20(5):247-52. doi: 10.1002/bms.1200200503.
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn
Primärer Abschluss (Tatsächlich)
Studienabschluss (Tatsächlich)
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Schätzen)
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Schätzen)
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Schlüsselwörter
Zusätzliche relevante MeSH-Bedingungen
Andere Studien-ID-Nummern
- 812287
- RC2AG036592 (US NIH Stipendium/Vertrag)
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