Engagement in mobile phone app for self-monitoring of emotional wellbeing predicts changes in mental health: MoodPrism

Abstract

Background Mobile apps are being used increasingly for mental health purposes, but evidence of their efficacy remains limited. The mechanisms underlying any effects of such apps are also unclear. This study examined the effectiveness of a self-monitoring mobile phone app by investigating the relationships between app engagement and mental health outcomes. Method Participants downloaded the MoodPrism app from the iOS and Android app stores, completing in-app assessments at start of use and again 30 days later. The app prompted participants daily to complete a short mood questionnaire and formulated their responses into a mood diary. Data from 234 assessment completers (73% female; M age = 34...