Study of Mobile Phone Support for the DC Tobacco Quitline

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

803 participants

Study Classification

INTERVENTIONAL

Study Start Date

2010-07-31

Study Completion Date

2012-02-29

Brief Summary

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This is a study of the effectiveness of mobile phone support for the D.C. Tobacco Quitline. The project will test the efficacy of a web-based system that uses mobile phones to improve quit rates at 3-month intervals, relative to standard quitline services. Under the standard model, relatively infrequent, periodic support is provided to smokers who want to quit and seek out the services. The new system will complement that effort by increasing the quality, frequency and accessibility of quit smoking support - when and where the smoker needs it most. It is hypothesized that successful abstinence rates will improve to the degree that participants utilize the support system and engage with the quitline.

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Detailed Description

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This study aims to bolster the effectiveness of the Washington D.C. Quitline (DCQL) program with the addition of a web-based mobile EX (mEX) cessation support system. This mEX system is designed to fill the gaps between quitline calls with ready access to a menu of evidenced-based treatment components, while also providing DCQL counselors with detailed information about their clients' ongoing progress with cessation - two developments that constitute a major advance over standard quitline programming. With the addition of mEX, DCQL counselors will be able to tailor their advice from the outset of each call and even identify counterproductive patterns that would have otherwise gone unnoticed. This innovative extension of our previous work leverages our expertise with ecological assessment methodology and behavioral informatics for the purpose of dynamic relapse prevention support within the context of an underserved community QL.

The project is an additive two-group randomized controlled trial to test whether the addition of mEX improves abstinence rates at 1-, 3-, 6-, and 9-months relative to standard care provided by DCQL. Participants will be 700 smokers who contact the DCQL and are randomized to receive either standard DCQL programming (N=300) or DCQL plus MQE (N=400). Participants assigned to standard DCQL programming will receive 6 proactive QL counseling sessions and free nicotine replacement therapy (NRT). Participants assigned to DCQL plus MQE will also receive mobile access to the MQE system via a web-enabled cellular telephone provided by the study. Relative to usual care, we expect that MQE will improve outcomes by improving delivery, utilization and thereby effectiveness of DCQL resources.

Specific Aim 1. Examine abstinence rates in DCQL participants receiving usual-care relative to those also receiving mobile quitline enhancement. Relative to usual-care controls, mobile quitline enhancement is expected to improve 7-day point prevalence abstinence rates at 1-, 3-, 6-, and 9-months.

Specific Aim 2. Examine treatment utilization in DCQL participants receiving usual-care relative to those also receiving mobile quitline enhancement. Relative to usual-care controls, mobile quitline enhancement is expected to improve utilization of available DCQL programming resources.

Specific Aim 3. Examine whether utilization of DCQL or mobile support services moderates their impact on outcomes. Treatment effects are expected to vary with the degree that they are utilized, such that greater utilization will predict improved abstinence rates at all time points.

Conditions

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Smoking Cessation

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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mEX support

Participants in this arm receive both standard DC Quitline Support and Mobile EX cessation support. Mobile EX cessation support is designed to enhance the Washington D.C. Quitline (DCQL) by giving participants the ability track their cessation attempt on a phone-based app and thus create a profile documenting their progress and set-backs over the days or weeks in between QL contacts. Participants receive summary information and graphics that help them understand what is working best for them. Participants also receive 24-hr, momentary access to a set of interactive cessation tools on their phone.

Group Type EXPERIMENTAL

Mobile EX cessation support

Intervention Type BEHAVIORAL

Mobile EX cessation support is designed to enhance the Washington D.C. Quitline (DCQL) by giving participants the ability track their cessation attempt on a phone-based app and thus create a profile documenting their progress and set-backs over the days or weeks in between QL contacts. Participants receive summary information and graphics that help them understand what is working best for them. Participants also receive 24-hr, momentary access to a set of interactive cessation tools on their phone.

DC Quitline Support

Intervention Type BEHAVIORAL

Participants assigned to standard DC Quitline programming receive 6 proactive QL counseling sessions and optional, free nicotine replacement therapy (NRT).

Device Control

Participants randomized to this arm receive standard DC Quitline Support plus the device control. Device control includes an identical device (i.e., mobile phone) to that provided to the intervention group, but participants do not receive any of the phone-based mEX support features. Those in the device control group receive their device at the 1-month time point - a design feature that allows a direct comparison of the mEX intervention to standard quitline services over the first month.

Group Type ACTIVE_COMPARATOR

DC Quitline Support

Intervention Type BEHAVIORAL

Participants assigned to standard DC Quitline programming receive 6 proactive QL counseling sessions and optional, free nicotine replacement therapy (NRT).

Device Control

Intervention Type BEHAVIORAL

Mobile phone for use during cessation attempt but with no mEX support components

Interventions

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Mobile EX cessation support

Mobile EX cessation support is designed to enhance the Washington D.C. Quitline (DCQL) by giving participants the ability track their cessation attempt on a phone-based app and thus create a profile documenting their progress and set-backs over the days or weeks in between QL contacts. Participants receive summary information and graphics that help them understand what is working best for them. Participants also receive 24-hr, momentary access to a set of interactive cessation tools on their phone.

Intervention Type BEHAVIORAL

DC Quitline Support

Participants assigned to standard DC Quitline programming receive 6 proactive QL counseling sessions and optional, free nicotine replacement therapy (NRT).

Intervention Type BEHAVIORAL

Device Control

Mobile phone for use during cessation attempt but with no mEX support components

Intervention Type BEHAVIORAL

Other Intervention Names

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mEX

Eligibility Criteria

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Inclusion Criteria

* Active tobacco smoker of at least 5 cigarettes / day
* Read, speak and write English
* Access to a telephone at either home or work
* Contacts DC Tobacco Quitline and makes an attempt to quit smoking