. Author manuscript; available in PMC: 2022 Jul 1.

Published in final edited form as: J Subst Abuse Treat. 2021 Apr 21;126:108425. doi: 10.1016/j.jsat.2021.108425

Table 3.

Endorsement of helpful app features.^†

What features of the app program where helpful?	% Endorsing (n = 13)
Surprise testing kept me on my toes	92
Earning money for staying abstinent	77
Monitoring my own behavior	69
Making recovery enjoyable	69
Being in charge of my own test	54

^†

Responses obtained at 1 month postrandomization. The response rate for the satisfaction survey was 45%.