Optimizing Text Messaging to Improve Adherence to Web-Based Cessation Treatment
- Conditions
- Smoking Cessation
- Interventions
- Behavioral: Message IntensityBehavioral: Dynamic TailoringBehavioral: IntegrationBehavioral: PersonalizationBehavioral: Optimal-Adherence Text
- Registration Number
- NCT02585206
- Lead Sponsor
- Truth Initiative
- Brief Summary
This study is comprised of 2 phases to study the impact of a text message system on overall adherence to a web-based smoking cessation program. Phase I uses a full factorial design to identify the most optimal text message intervention to maximize adherence to the BecomeAnEX.org smoking cessation program. Phase II is a randomized controlled trial that compares regular BecomeAnEX users to those who will receive the optimized text message intervention (from Phase I) in conjunction with BecomeAnEX for impact on long-term abstinence.
- Detailed Description
This study is comprised of 2 active phases, all conducted with registered users on BecomeAnEX.org, a well-established smoking cessation website.
Phase I involves the initial development and optimization of the text message intervention. The investigators will examine the impact of 4 experimental text message intervention features on smokers' adherence to a web-based cessation intervention during the first 3 months of program enrollment. The investigators will utilize a full factorial design where participants will be randomized to 1 of 2 levels of each of the following features: 1) personalization (yes/no), 2) integration (yes/no), 3) dynamic tailoring (yes/no), and 4) message intensity (standard vs. decreasing). The primary outcome in Phase I will be a composite metric of utilization.
Phase II involves a 2-arm randomized trial that compares WEB alone to WEB plus the text message intervention from Phase I that yields optimal adherence (WEB+OA_TXT). The randomized trial will use a repeated measures design, with assessments at baseline, 3, 9, and 15 months. Follow-ups at 3, 9, and 15 months correspond to 0, 6, and 12 months post-treatment. The primary outcome is 30-day point prevalence abstinence (ppa) at 9-months. The investigators will assess and validate smoking status at all follow-ups. Other outcomes include motivation to quit, quit attempts, and continuous abstinence.
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 1485
- US residency
- Current smoker
- Access to and willingness to receive text messages on a mobile phone
- Access to Internet
- Access to and willingness to receive email communication from study personnel
- None
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- FACTORIAL
- Arm && Interventions
Group Intervention Description Arm 2 Message Intensity Personalization OFF Integration OFF Dynamic Tailoring OFF Message Intensity ON Arm 4 Dynamic Tailoring Personalization OFF Integration OFF Dynamic Tailoring ON Message Intensity ON Arm 4 Message Intensity Personalization OFF Integration OFF Dynamic Tailoring ON Message Intensity ON Arm 7 Dynamic Tailoring Personalization OFF Integration ON Dynamic Tailoring ON Message Intensity OFF Arm 6 Integration Personalization OFF Integration ON Dynamic Tailoring OFF Message Intensity ON Arm 8 Integration Personalization OFF Integration ON Dynamic Tailoring ON Message Intensity ON Arm 8 Dynamic Tailoring Personalization OFF Integration ON Dynamic Tailoring ON Message Intensity ON Arm 9 Personalization Personalization ON Integration OFF Dynamic Tailoring OFF Message Intensity OFF Arm 6 Message Intensity Personalization OFF Integration ON Dynamic Tailoring OFF Message Intensity ON Arm 11 Personalization Personalization ON Integration OFF Dynamic Tailoring ON Message Intensity OFF Arm 12 Dynamic Tailoring Personalization ON Integration OFF Dynamic Tailoring ON Message Intensity ON Arm 10 Message Intensity Personalization ON Integration OFF Dynamic Tailoring OFF Message Intensity ON Arm 13 Integration Personalization ON Integration ON Dynamic Tailoring OFF Message Intensity OFF Arm 3 Dynamic Tailoring Personalization OFF Integration OFF Dynamic Tailoring ON Message Intensity OFF Arm 5 Integration Personalization OFF Integration ON Dynamic Tailoring OFF Message Intensity OFF Arm 7 Integration Personalization OFF Integration ON Dynamic Tailoring ON Message Intensity OFF Arm 8 Message Intensity Personalization OFF Integration ON Dynamic Tailoring ON Message Intensity ON Arm 10 Personalization Personalization ON Integration OFF Dynamic Tailoring OFF Message Intensity ON Arm 12 Personalization Personalization ON Integration OFF Dynamic Tailoring ON Message Intensity ON Arm 12 Message Intensity Personalization ON Integration OFF Dynamic Tailoring ON Message Intensity ON Arm 11 Dynamic Tailoring Personalization ON Integration OFF Dynamic Tailoring ON Message Intensity OFF Arm 14 Personalization Personalization ON Integration ON Dynamic Tailoring OFF Message Intensity ON Arm 15 Integration Personalization ON Integration ON Dynamic Tailoring ON Message Intensity OFF Arm 15 Dynamic Tailoring Personalization ON Integration ON Dynamic Tailoring ON Message Intensity OFF Arm 13 Personalization Personalization ON Integration ON Dynamic Tailoring OFF Message Intensity OFF Arm 14 Integration Personalization ON Integration ON Dynamic Tailoring OFF Message Intensity ON Arm 15 Personalization Personalization ON Integration ON Dynamic Tailoring ON Message Intensity OFF Arm 16 Dynamic Tailoring Personalization ON Integration ON Dynamic Tailoring ON Message Intensity ON Arm 16 Message Intensity Personalization ON Integration ON Dynamic Tailoring ON Message Intensity ON Arm 14 Message Intensity Personalization ON Integration ON Dynamic Tailoring OFF Message Intensity ON Arm 16 Personalization Personalization ON Integration ON Dynamic Tailoring ON Message Intensity ON Arm 16 Integration Personalization ON Integration ON Dynamic Tailoring ON Message Intensity ON WEB+OA_TXT Optimal-Adherence Text Phase II arm. Full access to standard BecomeAnEX.org web-based smoking cessation program PLUS optimal-adherence text message program from Phase I.
- Primary Outcome Measures
Name Time Method Phase I - Composite adherence metric 3 months The investigators will create a composite metric of adherence for each Phase I participant using a weighted sum of their total number of number of visits, as well as of their page views, time on site, and use of the 6 interactive components of the site per visit during 3 months post-enrollment.
Phase II - 30-day point prevalence abstinence 9 months post randomization Self-reported 30-day point prevalence abstinence at 9 months post randomization
- Secondary Outcome Measures
Name Time Method Phase II - 30day point prevalence abstinence 15 months post randomization Self-reported 30-day point prevalence abstinence at 15 months post randomization
Trial Locations
- Locations (1)
Truth Initiative
🇺🇸Washington, District of Columbia, United States