A Mobile App Based Cognitive Dissonance Intervention for Smoking Cessation

NCT05797155 | Completed Results

• 1 other identifier: DP006495-02
• Study Type: interventional
• Target: 437
• Locations: 1 country
• Sites: 1

Brief Summary

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.

Conditions

Tobacco Use

Outcome Measures

Primary Outcomes (4)

• Number of Participants With Cigarette Abstinence

  Based on 1-item that asked "In the past 7 days, have you smoked any cigarettes?". The variable is coded 1 if they the participants indicated they did not smoke any cigarettes otherwise coded 0. A value of 1 = abstinence and 0 = not abstinent.

  1-month and 3-month follow-up

• Fagerstrom Tobacco Dependence Scale

  This is a 6 item measure of tobacco dependence and response options are a mix of ordered categorical and dichotomous items. Item 1 "How many cigarettes per day to you smoke?" (0 = less than 10 cigarettes a day, 3 = 31 or more cigarettes a day). Item 2 "How soon after you wake do you smoke your first cigarette (0 = after 60 minutes, 3 = within 5 minutes). Item 3 "Is it hard to keep from smoking in places where it is prohibited (1 = yes, 0 = no). Item 4 "Which cigarette would you hate to give up most (1 = the first in the morning, 0 = any other). Item 5 "Do you smoke more cigarettes during the first 2 hours of the day compared to the rest of the day (1 = yes, 0 = no). Item 6 "Do you smoke when you are so ill you are in bed?" (1 = yes, 0 = no). A total sum score is computed and can range from 0 to 10 points with higher scores indicating higher levels of tobacco dependence.

  Baseline, 1-month follow-up, 3-month follow-up

• Number of Participants With Reduction in Number of Cigarettes Smoked Per Day

  Represents whether or not (1 = yes, 0 = no) a reduction of cigarettes smoked per day is reported from the baseline assessment. A higher score indicates a reduction in cigarettes smoked.

  1-month and 3-month follow-up

• Number of Participants With Reduction in the Number of Cigarettes Smoked Per Day and Reduced to 0-5 Cigarettes

  Represents whether or not (1 = yes, 0 = no) a reduction of cigarettes smoked per day is reported from the baseline assessment and is the number of daily cigarettes in 0-5 per day. A higher score indicates a reduction in cigarettes smoked per day and the number smoked is 5 or less.

  1-month and 3-month follow-up

Study Arms (2)

Support2Quit App - Cognitive Dissonance Based Smoking Cessation

EXPERIMENTAL

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

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

Comparison App - Smoking Cessation Support without Cognitive Dissonance Activities

ACTIVE COMPARATOR

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

Behavioral: Tips for Smoking Cessation App

Interventions

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

Support2Quit App - Cognitive Dissonance Based Smoking Cessation

Tips for Smoking Cessation App BEHAVIORAL

App containing daily tips for smoking cessation

Comparison App - Smoking Cessation Support without Cognitive Dissonance Activities

Eligibility Criteria

• Age: 18 Years+
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• 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

You may not qualify if:

• Currently participating in a tobacco cessation program

Sponsors & Collaborators

• Oregon Research Behavioral Intervention Strategies, Inc.: lead

Study Sites (1)

Oregon Research Behavioral Intervention Strategies, Inc.

Springfield, Oregon, 97477-2019, United States

Location

MeSH Terms

Conditions

Tobacco Use

Interventions

Portasystemic Shunt, Transjugular Intrahepatic

Condition Hierarchy (Ancestors)

Behavior

Intervention Hierarchy (Ancestors)

Portasystemic Shunt, Surgical; Anastomosis, Surgical; Surgical Procedures, Operative; Vascular Grafting; Vascular Surgical Procedures; Cardiovascular Surgical Procedures

Results Point of Contact

• Title: Dr. Dana Smith
• Organization: Oregon Research Behavioral Intervention Strategies Inc.

danas@ori.org

541-484-2123

Study Officials

• Dana Smith, PhD

  Oregon Research Behavioral Intervention Strategies, Inc.

  PRINCIPAL INVESTIGATOR

Publication Agreements

• PI is Sponsor Employee: No
• Restrictive Agreement: No

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: SINGLE
• Who Masked: OUTCOMES ASSESSOR
• Purpose: TREATMENT
• Intervention Model: PARALLEL
• Sponsor Type: INDUSTRY
• Responsible Party: SPONSOR

Model Details: 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.

Study Record Dates

• First Submitted: March 9, 2023
• First Posted: April 4, 2023
• Study Start: December 1, 2023
• Primary Completion: March 15, 2025
• Study Completion: March 15, 2025
• Last Updated: November 24, 2025
• Results First Posted: November 24, 2025

Record last verified: 2025-11

Data Sharing

• IPD Sharing: Will not share

Locations

US (1)