Effects of participation in a large, online community for substance use disorder recovery: A naturalistic, longitudinal study.

ITR may be a promising digital recovery support service that promotes greater abstinence, especially for those in early recovery. Further comparative research is warranted to examine incremental benefits attributable specifically to ITR participation and to investigate for whom, and how, this accessible and widely used service may be helpful. (PsycInfo Database Record (c) 2026 APA, all rights reserved).