Study Results
Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.
View full resultsBasic Information
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COMPLETED
NA
1865 participants
INTERVENTIONAL
2010-05-31
2013-11-30
Brief Summary
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Detailed Description
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Conditions
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Keywords
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Study Design
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RANDOMIZED
FACTORIAL
TREATMENT
SINGLE
Study Groups
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Message Tone
Prescriptive or Motivational
Persons are randomized to receive intervention content written in either a prescriptive or motivational tone.
Message Tone
All participants receive an tailored, online smoking cessation program. Participants in this intervention group either receive content written in a prescriptive tone or a motivational tone.
Testimonials
Persons are randomized to receive a personally tailored testimonial or not.
Testimonials
People receive a personally-tailored testimonial as part of their online smoking cessation program.
Navigation
Dictated or Non-Dictated
Persons are randomly assigned to be able to freely navigate the website or to have their navigation of the website pre-determined based on their baseline readiness to quit smoking.
Navigation
Persons in this arm either have their ability to navigate the site dictated for them based on their readiness to quit smoking or they are able to freely navigate through the website.
Proactive Outreach
Email or No-Email communication
Persons are randomized to receive periodic email reminders to return to the intervention website or not.
Proactive Outreach
Persons receive periodic, proactively delivered email reminders to visit the intervention website.
Interventions
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Message Tone
All participants receive an tailored, online smoking cessation program. Participants in this intervention group either receive content written in a prescriptive tone or a motivational tone.
Navigation
Persons in this arm either have their ability to navigate the site dictated for them based on their readiness to quit smoking or they are able to freely navigate through the website.
Proactive Outreach
Persons receive periodic, proactively delivered email reminders to visit the intervention website.
Testimonials
People receive a personally-tailored testimonial as part of their online smoking cessation program.
Eligibility Criteria
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Inclusion Criteria
* Currently Smoking at Least 5 Cigarettes/Day
* Access to Email and the Internet
* Read and Write English
* 18 years or older
* Not currently receiving tobacco cessation treatment
* Capable of participating in online and phone surveys
Exclusion Criteria
18 Years
ALL
No
Sponsors
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University of Michigan
OTHER
Kaiser Permanente
OTHER
Responsible Party
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Principal Investigators
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Jennifer B McClure, PhD
Role: PRINCIPAL_INVESTIGATOR
Group Health Research Institute
Locations
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Group Health Research Institute
Seattle, Washington, United States
Countries
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References
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McClure JB, Derry H, Riggs KR, Westbrook EW, St John J, Shortreed SM, Bogart A, An LC. Questions about quitting (Q2): design and methods of a Multiphase Optimization Strategy (MOST) randomized screening experiment for an online, motivational smoking cessation intervention. Contemp Clin Trials. 2012 Sep;33(5):1094-102. doi: 10.1016/j.cct.2012.06.009. Epub 2012 Jul 4.
McClure JB, Shortreed SM, Bogart A, Derry H, Riggs K, St John J, Nair V, An L. The effect of program design on engagement with an internet-based smoking intervention: randomized factorial trial. J Med Internet Res. 2013 Mar 25;15(3):e69. doi: 10.2196/jmir.2508.
McClure JB, Peterson D, Derry H, Riggs K, Saint-Johnson J, Nair V, An L, Shortreed SM. Exploring the "active ingredients" of an online smoking intervention: a randomized factorial trial. Nicotine Tob Res. 2014 Aug;16(8):1129-39. doi: 10.1093/ntr/ntu057. Epub 2014 Apr 11.
Shortreed SM, Bogart A, McClure JB. Using multiple imputations to accommodate time-outs in online interventions. J Med Internet Res. 2013 Nov 21;15(11):e252. doi: 10.2196/jmir.2781.
Other Identifiers
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