Comparing SMS and E-mail Reminders in an Online Smoking Cessation Intervention

ClinicalTrials.gov ID

NCT03276767

Lead Sponsor

University of OsloOTHER

Overall Status

Unknown status

Study Type

Interventional

Phase

Not Applicable

Enrollment

700Estimated

Last Update Posted

Oct 8, 2021Actual

Start Date

Sep 12, 2017Actual

Primary Completion Date

Oct 1, 2022Estimated

Completion Date

Oct 1, 2022Estimated

Official Title

An RCT Comparing Reminders Sendt by SMS or by E-mail in an Online Smoking Cessation Intervention

Brief Summary

The primary purpose of the current study is to compare the effect of SMS-textmessage vs e-mail reminders on user engagement and proportion of reported quit attempts in an online smoking cessation intervention.

Detailed Description

Web- and mobile phone health behavior change interventions, including smoking cessation programs, offer great promise, but little is known about how such interventions should be designed to increase user engagement. The primary purpose of the current study is to compare the effect of SMS-textmessage vs e-mail reminders on user engagement and proportion of reported quit attempts in an online smoking cessation intervention.

The investigators propose a 2-arm RCT with 700 adult study participants that all receive a best practices web-based smoking cessation program designed for use on smart phones (web-app). The intervention includes a ten day preparation phase, in which participants continue smoking. On the eleventh day (and onward) the user will receive a session in which (s)he is asked whether (s)he has quit smoking or not. If not, the user will receive additional treatment sessions until (s)he reports having quit (or dropped out of the study). Each day (for up to 14 days) a new unique session is assigned to the user. However, if the user does not log on to the web-intervention and starts using the session by noon on the second day after assignment, the user will receive a reminder to do so. When a user is to be sent a reminder for the first time, (s)he will be randomized to either receive such reminders by SMS or by e-mail.

The primary outcome is reporting a quit attempt or not. Secondary outcomes include number web-sessions started and completed and time spent navigating sessions after the first reminder is received.

• Nicotine Dependence Tobacco Product

• Endre

Ages Eligible for Study

Adult (18-64)Older Adult (65+)

Sexes Eligible for Study

All

Accepts Healthy Volunteers

Yes

Eligibility Criteria

Inclusion Criteria:

• 18 years or older
• current smoker
• determined to or considering to quit smoking
• provide valid e-mail address
• provide valid norwegian cell phone number
• complete a baseline questionnaire
• start using the intervention (pushing the next page button one time or more on the first session provided)
• has not logged on to any of the online session within noon on the second day after that particular session was made available

Exclusion Criteria:

• Not starting the first treatment session
• Taking every treatment session on time (no need for reminders, and thus not randomized)

Primary Purpose

Prevention

Allocation

Randomized

Interventional Model

Parallel Assignment

Masking

None (Open Label)

Lead Sponsor

University of OsloOTHER

Collaborators

The Research Council of NorwayOTHER

Charles University, Czech RepublicOTHER

brendryen@gmail.com99521714 ext. +47

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