Remote Monitoring and Contingency Management Reinforcement for Alcohol Abstinence

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

30 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-02-28

Study Completion Date

2011-09-30

Brief Summary

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This pilot project proposes to monitor real-world alcohol use using a novel technology-cell phone videorecordings in conjunction with breathalyzer recordings-and to conduct a small randomized study of this technology for reinforcing alcohol abstinence. Individuals with frequent alcohol use (N = 30) will be asked to carry a study cell phone plus a handheld breathalyzer for one month. Participants will be randomized to one of two conditions: alcohol monitoring or alcohol monitoring plus contingency management. In both conditions, research assistants will telephone participants on their cell phone an average of 10 times per week to request submission of a breathalyzer sample using the video monitoring function on the cell phone. Samples will be time and date stamped, and the video containing the breathalyzer result will be sent to study staff via the cell phone. Participants will be compensated for each video recorded within one hour of receiving the prompt. Participants randomized to the contingency management condition will receive the same alcohol monitoring described above, and they will also receive reinforcement for each alcohol negative breath sample submitted within one hour of the prompt. Data from this pilot project will be useful for (1) determining the feasibility of assessing alcohol use in the natural environment via breathalyzers and cell phone technology, and (2) estimating effect sizes of a CM intervention that reinforces alcohol abstinence using breathalyzers and cell phone technology. In an exploratory manner, we will also evaluate the reliability and validity of the video monitoring procedure and trends toward changes in psychosocial functioning.

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Detailed Description

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Conditions

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Alcohol Use

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

NONE

Study Groups

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Monitoring Alone

Research assistants will phone or text participants and request videorecordings of breathalyzer samples up to 21 times per week. Participants will receive compensation for each valid videorecording that occurs within the requested one-hour time frame, and bonus compensation each time all requested videorecordings are submitted within the timeframe over a 7-day period, and/or if \>90% of prompts are returned over the study period.

Group Type NO_INTERVENTION

No interventions assigned to this group

Monitoring plus contingency management for abstinence

Participants assigned to this condition will receive the same monitoring schedule outlined above, plus the same payment for compliance. In addition, they will receive contingent reinforcement for submission of videorecordings that demonstrate negative breath alcohol samples. For each sample submitted that reads below the cut point, participants will receive vouchers for payment.

Group Type EXPERIMENTAL

contingency management for abstinence

Intervention Type BEHAVIORAL

For each breath sample submitted that reads below the cut point, participants will receive a voucher that can be exchanged for a check or gift card. Amounts earned will increase for each consecutive negative sample submitted, up to a maximum amount.

Interventions

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contingency management for abstinence

For each breath sample submitted that reads below the cut point, participants will receive a voucher that can be exchanged for a check or gift card. Amounts earned will increase for each consecutive negative sample submitted, up to a maximum amount.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* age \>21 years
* frequent alcohol use
* willing to use a cell phone and breathalyzer for 28 days
* have a valid photo ID (driver's license, passport, state ID)
* are willing to sign an off-campus property transfer form and return study equipment in four weeks