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'Questions About Quitting' Smoking Cessation Trial — Q2  

Smoking Clinical Trial

Official title:
Optimizing an Online Motivational Tobacco Cessation Program

Clinical Trial Summary

The current study tested the effectiveness of four potentially important tailoring factors (decisional framework, self-efficacy, navigation autonomy, and proactive outreach) in the context of an online motivational intervention for smoking cessation. A fifth factor was originally planned by dropped during intervention development due to confounds with the other planned factors. Information learned from this study will inform how to best design an online interventions for smoking cessation. Participants were recruited from a large, regional U.S. health plan. Using a full factorial design to screen for important main effects and 2-way interactions, participants were randomized to receive one of 16 different experimental factor combinations and followed for one year to assess program impact on smokers' use of empirically-validated cessation treatment and abstinence.

Clinical Trial Description

The current study is a factorial screening experiment, consistent with the Multiphase Optimization Strategy. Participants were randomly assigned to one of 16 different combinations of the 4 experimental factors. Each factor was explored on 2 contrasting levels. Each contrasting factor level was then compared to the other, resulting in 4 analytic arms. Within each arm, all participants (n = 1865) were analyzed to determine the relative effect of each contrasting factor level on the primary and secondary outcomes of interest. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00992264
Study type Interventional
Source Kaiser Permanente
Contact
Status Completed
Phase N/A
Start date May 2010
Completion date November 2013
View Details
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