User Experience of a Just-in-Time Smartphone Resonance Breathing Application for Substance Use Disorder: Acceptability, Appropriateness, and Feasibility.

Background: Addressing the negative impact of substance use disorders (SUDs) on individuals, families, and communities is a public health priority. Most treatments and interventions require engagement with a healthcare provider or someone who can offer recovery support. The need for interventions that facilitate self-management of relapse triggers at the moment they occur is also critical. Our study aimed to explore the user experience of individuals using a just-in-time smartphone episodic resonance breathing (eRPB) intervention to address stress, anxiety, and drug cravings.

Methods: We conducted an 8-week pilot study of the eRPB with 30 individuals in recovery from SUD. Data on 3 indicators of user experience-acceptability, appropriateness, and feasibility-were collected using survey questions (n = 30) and semi-structured interviews (n = 11). We performed univariate analysis on the survey data and deductive thematic analysis on the qualitative data.

Results: A majority of the survey respondents agreed that the application (app) was acceptable (> 77%), appropriate (> 82%), and feasible (> 89%). Several interview participants stated that the app helped them relax and manage stress and cravings and expressed appreciation for the simplicity of its design. Participants also reported barriers to feasibility (such as forgetting to use the app) and recommendations for improvement (such as the addition of motivational messages).

Conclusions: Our findings show that individuals in recovery from SUD had highly positive experiences with the eRPB app. A positive user experience may improve adherence to the intervention and, ultimately, the self-management of stress, anxiety, and craving relapse triggers.