title: Using prize-based incentives to enhance daily interactive voice response (IVR) compliance: a feasibility study.
abstract: This study examined the feasibility of a prize-based contingency-management (CM) approach to encourage interactive voice response (IVR) compliance in a cocaine-treatment study and explored the association between IVR call rate and outcome during a cocaine abstinence-induction trial. Subjects called into the IVR system daily to complete a brief interview assessing cocaine use for the past 24hours. One group earned $1 for each call; the other earned one draw per call from a "prize bowl" with a range of awards. Abstinence was rewarded according to a high-value voucher incentive schedule, which was the same for both groups, and confirmed by thrice-weekly urine testing at clinic visits. Odds of calling were 4.7 times greater (95% CI: 1.23, 17.91) in the prize-CM group than in the fixed dollar CM group. In addition, the percentage of IVR calls was significantly associated with abstinence achievement, χ(2) (1)=5.147, p<.023. The use of prize-based CM to increase the use of IVR is feasible and deserves examination as an innovation for helping participants engage in treatment.
authors.affiliation: VA Houston HSR&D Center of Excellence, Michael E. DeBakey VA Medical Center, Houston, TX; VA South Central Mental Illness Education, Research and Clinical Center; Baylor College of Medicine, Houston, TX. Electronic address: jan.lindsay2@va.gov.
authors.forename: Jan A
authors.initials: JA
authors.lastname: Lindsay
authors.forename: Charles G
authors.initials: CG
authors.lastname: Minard
authors.forename: Sonora
authors.initials: S
authors.lastname: Hudson
authors.forename: Charles E
authors.initials: CE
authors.lastname: Green
authors.forename: Joy M
authors.initials: JM
authors.lastname: Schmitz
mesh_terms: D000328:Adult; D019970:Cocaine-Related Disorders / Q000523:psychology / Q000534:rehabilitation*; D005240:Feasibility Studies; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010349:Patient Compliance; D012055:Reinforcement Schedule; D012201:Reward; D015813:Substance Abuse Detection
keywords: Compliance enhancement; Contingency management; Feasibility study; Interactive voice response; Variable reinforcement
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