Background: Mental health apps have great potential to help people needing support to
cope with distress or specific symptoms. In fact, there is an exponential increase in the …

Abstract Background and Aims Lapse risk when trying to stop or reduce harmful substance
use is idiosyncratic, dynamic and multi‐factorial. Just‐in‐time adaptive interventions (JITAIs) …

Background Connected interventions use data collected through mobile/wearable devices
to trigger real-time interventions and have great potential to improve treatment for substance …

Background Patient‐reported outcomes measures (PROMs) assess a patient's subjective
appraisal of health outcomes from their own perspective. Despite hypothesised benefits that …

Objective: Given the adverse outcomes associated with simultaneous alcohol and marijuana
(SAM) use, understanding factors that give rise to occasions of simultaneous use is critical …

Background Research on alcohol consumption mostly relies on self‐reported data, which
are subject to recall bias. Wearable transdermal alcohol concentration (TAC) monitors …

Objective: Research on substance use motives typically examines each substance
separately. However, simultaneous alcohol and marijuana (SAM) use—that is, using alcohol …

Introduction Innovative health promotion strategies are crucial for enhancing global quality
of life and curbing premature deaths. Digital health promotion is particularly impactful for …

Background There has been a lack of systematic exploration of remotely delivered
intervention content and their effectiveness for behaviour change outcomes. This review …

Background Self‐reported consumption is pervasive in alcohol research, though
retrospective recall bias is a concern. Fine‐grained methods are designed to limit …