Published on in Vol 20, No 4 (2018): April

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/10143, first published .
Trajectories of 12-Month Usage Patterns for Two Smoking Cessation Websites: Exploring How Users Engage Over Time

Trajectories of 12-Month Usage Patterns for Two Smoking Cessation Websites: Exploring How Users Engage Over Time

Trajectories of 12-Month Usage Patterns for Two Smoking Cessation Websites: Exploring How Users Engage Over Time

Jonathan B Bricker   1, 2 , PhD ;   Vasundhara Sridharan   1, 2 , MS ;   Yifan Zhu   1 , PhD ;   Kristin E Mull   1 , MS ;   Jaimee L Heffner   1 , PhD ;   Noreen L Watson   1 , PhD ;   Jennifer B McClure   3 , PhD ;   Chongzhi Di   1 , PhD

1 Fred Hutchinson Cancer Research Center, Seattle, WA, United States

2 Department of Psychology, University of Washington, Seattle, WA, United States

3 Kaiser Permanente Washington Health Research Institute, Seattle, WA, United States

Corresponding Author: