Document is current

Article History

Received: 25 March 2021

Accepted: 11 October 2021

First Online: 27 October 2021

Declarations

:

: Ethical approval for this study was provided by Western University’s Human Research Ethics Board (#113322). This study involved the secondary use of de-identified data. Therefore, the need for informed consent was waived for this secondary data analysis by Western University’s Human Research Ethics Board. All methods were carried out in accordance with relevant guidelines and regulations. 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., makers of the Carrot Rewards app, 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. RR was employed as a research intern by Carrot Insights Inc. from March 2018 to July 2018, and completed a Mitacs postdoctoral fellowship at the company from February 2019 to June 2019. MH and SS declare that they have no conflicts of interests.