The Efficacy of Using a Smartphone App to Support Shared Decision Making in People With a Diagnosis of Schizophrenia

This study investigates the effects of using a smartphone app to support shared decision making (SDM) for people with schizophrenia-spectrum disorders in an outpatient treatment setting. Patients are randomized to specialized early intervention treatment with the Momentum app or without the app. The primary objective is to investigate the effect of the app on patient activation 6 months after baseline. Secondary outcomes are positive and negative symptoms, level of functioning; working alliance; self-efficacy; treatment satisfaction; hope; level of SDM; and perceived efficacy in patient-provider interaction. Explorative outcomes are self-perceived usefulness of the Momentum app.