Weekly enrollment and usage patterns in an Internet ...

    Weekly enrollment and usage patterns in an Internet smoking cessation intervention Kevin Welding, Elaine De Leon, Sarah Cha, Morgan Johnson, Joanna E. Cohen, Amanda L. Graham PII: DOI: Reference:

S2214-7829(16)30033-1 doi:10.1016/j.invent.2017.07.004 INVENT 155

To appear in:

Internet Interventions

Received date: Revised date: Accepted date:

21 June 2016 15 July 2017 21 July 2017

Please cite this article as: Welding, Kevin, De Leon, Elaine, Cha, Sarah, Johnson, Morgan, Cohen, Joanna E., Graham, Amanda L., Weekly enrollment and usage patterns in an Internet smoking cessation intervention, Internet Interventions (2017), doi:10.1016/j.invent.2017.07.004

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ACCEPTED MANUSCRIPT Weekly enrollment and usage patterns in an Internet smoking cessation intervention

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Kevin Welding1, PhD, Elaine De Leon1, MHS, Sarah Cha2, MSPH, Morgan Johnson3, MPH, Joanna E.

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Cohen1, PhD, Amanda L. Graham2, 4, PhD

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Institute for Global Tobacco Control, Department of Health, Behavior and Society, Johns Hopkins

Bloomberg School of Public Health, 2213 McElderry Street, 4th Floor, Baltimore, MD 21205 2

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Schroeder Institute for Tobacco Research and Policy Studies at Truth Initiative, 900 G Street, NW,

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Fourth Floor, Washington, DC 20001 3

The Monday Campaigns, 215 Lexington Ave #1001, New York, NY 10016

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Department of Oncology, Georgetown University Medical Center / Cancer Prevention and Control

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DC 20007, USA

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Program, Lombardi Comprehensive Cancer Center, 3300 Whitehaven St, NW, Suite 4100, Washington,

Corresponding Author: Kevin Welding ([email protected])

Word count = 3,546

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ACCEPTED MANUSCRIPT ABSTRACT Background: Previous analyses of Google search queries identified circaseptan (weekly)

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rhythms in smoking cessation information seeking, with Google searches for “quit” and “smoking” peaking early in the week. Similar patterns were observed for smoking cessation treatment seeking, such

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that could be leveraged to improve smoking cessation efforts.

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as calls to quitlines. These findings suggest that smoking cessation behaviors may have a weekly rhythm

Aims: To assess whether weekly enrollment and usage patterns exist for an Internet smoking

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cessation intervention.

Methods: We used process data from a large, longstanding Internet smoking cessation

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intervention (www.becomeanex.org). Pearson’s chi-squared tests were performed to identify day-of-the week differences in enrollment, first visit to site community pages, and quit date. Differences were

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considered statistically significant at the 1 percent level if p