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Part 1: Document Description
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Citation |
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Title: |
Evaluation of a Combined Financial Incentives and Deposit Contract Intervention for Smoking Cessation: A Randomized Controlled Trial |
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Identification Number: |
doi:10.7910/DVN/T2HN28 |
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Distributor: |
Harvard Dataverse |
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Date of Distribution: |
2021-03-04 |
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Version: |
1 |
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Bibliographic Citation: |
Anderson, Daren R.; Horn, Samantha; Karlan, Dean; Kowalski, Amanda E.; Sindelar, Jody L.; Zinman, Jonathan, 2021, "Evaluation of a Combined Financial Incentives and Deposit Contract Intervention for Smoking Cessation: A Randomized Controlled Trial", https://doi.org/10.7910/DVN/T2HN28, Harvard Dataverse, V1 |
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Citation |
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Title: |
Evaluation of a Combined Financial Incentives and Deposit Contract Intervention for Smoking Cessation: A Randomized Controlled Trial |
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Identification Number: |
doi:10.7910/DVN/T2HN28 |
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Authoring Entity: |
Anderson, Daren R. (Yale School of Medicine) |
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Horn, Samantha (Carnegie Mellon University) |
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Karlan, Dean (Northwestern University) |
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Kowalski, Amanda E. (University of Michigan) |
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Sindelar, Jody L. (Yale School of Public Health) |
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Zinman, Jonathan (Dartmouth College) |
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Software used in Production: |
STATA |
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Distributor: |
Harvard Dataverse |
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Access Authority: |
Research Transparency, Data Ethics, and Governance |
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Depositor: |
Research Transparency, Data Ethics, and Governance, Innovations for Poverty Action |
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Date of Deposit: |
2021-03-04 |
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Study Scope |
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Keywords: |
Social Sciences, Smoking cessation, Incentives |
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Abstract: |
The objective of this study is to evaluate whether a combination of financial incentives and deposit contracts improves cessation among low- to moderate-income smokers. The estimated treatment effects on cessation are positive, but imprecise, with confidence intervals containing effect sizes estimated by prior studies of financial incentives alone and deposit contracts alone. A combined incentives and deposit contract program for Medicaid enrollees, with incentives offering up to $300 for smoking cessation and use of support services, produced a positive but imprecisely estimated effect on biochemically-verified cessation relative to usual care and with no detectable difference in cessation rates between different treatment arms. |
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Date of Collection: |
2015-10-01-2018-04-11 |
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Country: |
United States |
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Geographic Coverage: |
Connecticut |
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Unit of Analysis: |
Individual |
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Universe: |
Low- and middle-income daily smokers over 18 covered by Medicaid at 12 health clinics on Connecticut, United States |
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Kind of Data: |
Survey Data |
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Kind of Data: |
Biochemical Data |
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Methodology and Processing |
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Data Collector: |
Community Health Center Inc |
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Sampling Procedure: |
The trial was a multi-arm parallel group study with simple randomization and no blinding. The team randomly assigned the 311 study participants, at the participant level, with a 1:1:0.5:0.5 split, to either usual care (N=103) or one of three treatment arms with the opportunity to earn financial incentives for two months and (i) nothing further ("incentives only"; N=107), (ii) the option to start a deposit contract after the incentives ended ("commitment", N=42), or (iii) the option to pre-commit incentive earnings into a deposit contract starting after the incentives ended ("pre-commitment", N=59). Participants were randomly assigned to a group via online software designed for the implementation of randomized control trials. Clinic staff inputted a new participant's study identification number into the software application to obtain the participant's treatment assignment. |
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Mode of Data Collection: |
Baseline survey and biochemical verification of smoking cessation |
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Sources Statement |
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Data Access |
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Notes: |
CC0 Waiver |
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Other Study Description Materials |
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Label: |
I2Q - Dataverse Files.zip |
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Text: |
This folder contains all files necessary to replicate the results from the publication. |
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Notes: |
application/zip |