Mobile After-Care Intervention to Support Post-Hospital Transition (MACS)

In the open trial, all participants will receive a study-developed app to be used on a mobile
phone. This app will support the use of healthy coping skills post-hospitalization, as well
as help participants adhere to their discharge treatment plan. This phase is intended to
inform the feasibility and acceptability of the app in preparation for a future randomized
controlled trial.

Inclusion Criteria:

1. Currently hospitalized

2. DSM-5 criteria for psychotic disorder (schizophrenia or schizoaffective disorder)

3. 18 years or older

4. Prescribed oral antipsychotic medication upon discharge

5. Ability to speak and read English

Exclusion Criteria:

1. Alcohol/drug use disorders at moderate or severe level

2. Planned discharge to supervised living setting or participation in formal outpatient
adherence programs (e.g., medication packaging)

3. Pregnancy or other medical condition (e.g., dementia) contraindicating use of
antipsychotic medications.