A Mobile App Based Cognitive Dissonance Intervention for Smoking Cessation

NCT ID: NCT05797155

Last Updated: 2025-11-24

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

437 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-12-01

Study Completion Date

2025-03-15

Brief Summary

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This research study aims to develop a cognitive dissonance-based mobile app for smoking cessation (Support2Quit) and test the efficacy of the app with 500 adult smokers who express a desire to quit smoking.

Detailed Description

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This research project will evaluate the Support2Quit mobile app for smoking cessation by having 500 daily adult smokers recruited through social media and randomized to either the Support2Quit app or an app that has similar content but no tasks for inducing cognitive dissonance among participants. Outcomes will be measured at 1- and 3-months post-baseline and will include quit attempts, number of days without smoking (smoke free days), and changes in smoking attitudes and behavior, and smoking abstinence. Usability data, system log data on program use, and participant satisfaction data will also be analyzed.

The researchers hypothesize that individuals using the cognitive dissonance intervention (CDI) will show greater increases in quit attempts, smoke free days, quit rates, and positive smoking attitudes and behaviors than individuals in the active comparison condition. The researchers will test whether gender, smoking dependence, readiness to quit, previous quit attempts, age of smoking initiation, and socio-economic status moderate intervention effects on smoking outcomes.

Conditions

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Tobacco Use

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

This study will recruit 500 daily adult smokers through social media to test the Support2Quit app for smoking cessation. Participants will be randomly assigned to either the Support2Quit app or an app that has similar content but no tasks for inducing cognitive dissonance among participants.
Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Support2Quit App - Cognitive Dissonance Based Smoking Cessation

This group will receive daily smoking cessation tips and will be asked to complete activities within the app that are designed to induce cognitive dissonance, create and share videos related to the activities with an online group, and provide support to other group members

Group Type EXPERIMENTAL

Support2Quit App - Cognitive Dissonance Based Smoking Cessation + Smoking Cessation Tips

Intervention Type BEHAVIORAL

Support2Quit App (Cognitive Dissonance Based Smoking Cessation) Use of the Support2Quit app, completion of cognitive dissonance activities, sharing of videos with online group, and providing support to other group members

Comparison App - Smoking Cessation Support without Cognitive Dissonance Activities

This group will use an app that consists of tips for quitting cigarettes but does not include the cognitive dissonance component.

Group Type ACTIVE_COMPARATOR

Tips for Smoking Cessation App

Intervention Type BEHAVIORAL

App containing daily tips for smoking cessation

Interventions

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Support2Quit App - Cognitive Dissonance Based Smoking Cessation + Smoking Cessation Tips

Support2Quit App (Cognitive Dissonance Based Smoking Cessation) Use of the Support2Quit app, completion of cognitive dissonance activities, sharing of videos with online group, and providing support to other group members

Intervention Type BEHAVIORAL

Tips for Smoking Cessation App

App containing daily tips for smoking cessation

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Age 18 or older
* Self-reported daily smoking
* Having a valid home mailing address in the United States
* English-speaking
* Access to a smart phone with video capability for the duration of the project
* Expressed desire to quit smoking

Exclusion Criteria

• Currently participating in a tobacco cessation program
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Oregon Research Behavioral Intervention Strategies, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Dana Smith, PhD

Role: PRINCIPAL_INVESTIGATOR

Oregon Research Behavioral Intervention Strategies, Inc.

Locations

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Oregon Research Behavioral Intervention Strategies, Inc.

Springfield, Oregon, United States

Site Status

Countries

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United States

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Document Type: Informed Consent Form

View Document

Other Identifiers

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DP006495-02

Identifier Type: -

Identifier Source: org_study_id

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