Funding for this research was provided by:
Public Health Agency of Canada (n/a, n/a)
Article History
Received: 28 October 2019
Accepted: 6 February 2020
First Online: 25 February 2020
Ethics approval and consent to participate
: The University of British Columbia Behavioural Research Ethics Board approved this study (H17–02814). This study involved the secondary use of de-identified data. There was no consent for this secondary data analysis. However, app users were informed of and had to accept the app’s privacy policy describing how de-identified data may be used for reporting purposes and presented in aggregate.
: Not applicable.
: MM received consulting fees from Carrot Insights Inc. from 2015 to 2018 as well as travel re-imbursement in January and March 2019. MM had stock options in the company as well but these are now void since Carrot Insights Inc. went out of business in June 2019. LW was employed by Carrot Insights Inc. from March 2016 to June 2019 and also had stock options which are now void. EL and GF declare that they have no competing interests.