Table 1 Search terms against each key facet

Exp young adult/

Exp bipolar disorder/

Indicat*

Declin*

exp patient/

Exp adolescent/

bipolar disorder*

Warn*

Deteriorat*

patient*

young adult*

Exp schizophrenia/

MEWS

Worse*

Inpatient*

Adolescen*

schizophrenia

Predict*

Downfall

in-patient*

young person*

Exp psychotic disorder/

Detect*

Weak*^`

outpatient*

young people

psychotic disorder*

Sign*

Wane*

out-patient*

youth*

Exp major depressive disorder/

Measure*

Descen*

Exp young adult/

major depression

Gauge

Laps*

major depressive disorder*

Index

Dip*

exp depressive disorder/

Criteria*

exp depression/

Highlight*

Schizoaffective*

Monitor*

Psychosis*

Symptom*

mania

Signal*

Serious mental illness*

Diagnos*

Characteristic*

Alarm*

Alert*

Caution*

Forewarn*

Trigger*

Risk*

Factor*