Table 1.
Overview of instruments
| Domain | Instrument | Method | Purpose | Time (min) |
Screening | Diary pre (baseline) | Diary post | Follow- up 1 | Diary pre | Diary post | Follow- up 2 | Follow-up 3 |
| T0 | T0 | T0 (3 m) | T1 | T1 | T1 (3 m) | T2 | T3 | |||||
| Demographics | Gen. health | SR | Demogr, conf. | 5 | X | X* | ||||||
| Vignette | INT | History psychosis | 5 | X† | ||||||||
| Psychosis | CAPE | SR | Psychotic Sx | 6 | X | X | X | X | X | X | ||
| PQ | SR | Clinical stage | 3 | X‡ | X‡ | X‡ | X‡ | |||||
| CAARMS | INT | Clinical stage | 30–90 | X‡§ | X‡§ | X‡§ | X‡§ | |||||
| Psychopathology | Mini-SCAN | INT | Diagnosis | 30 | X | X | X | X | ||||
| SCL-90 | SR | Severity | 20 | X | X | X | X | |||||
| PsychCaseReg | REG | Care use | – | X | X | X | X | |||||
| Care use – extra | SR | Care use | 1 | X | X | X | X | |||||
| DASS | SR | Depress Anxiety Sx | 3 | X | X | X | X | |||||
| ASRM | SR | Mania Sx | 3 | X | X | X | X | |||||
| Social functioning | GVSG-45 | SR | Social functioning | 8 | X | X | X | X | ||||
| Flourishing Sc | SR | Well-being | 1 | X | X | X | X | |||||
| Risk and resilience | SSL | SR | Social support | 7 | X | X | X | X | ||||
| IPPA | SR | Bonding | 9 | X¶ | ||||||||
| BRS | SR | Resilience | 2 | X | X | X | X | |||||
| UCL | SR | Coping | 5 | X | X | X | X | |||||
| Brugha LTE | SR | Life events, trauma | 4 | X | X | |||||||
| MCTQ | SR | Sleep | 3 | X | X | |||||||
| Faux-Pas Task | INT | Social cognition | 5 | X¶ | ||||||||
| Actical | SENS | Physical activity | – | X** |
*Send out several weeks before the daily diary period to screen on exclusion criteria.
†Only administered when there is a history of a psychiatric disorder according to the information on the General Health Questionnaire.
‡Available as routine outcome monitoring (ROM) data for all individuals in clinical care for mental health at each measurement wave.
§Only administered when PQ score is 6 or higher.
¶Administered only to subgroup 4.
**Offered to participants as optional.
ASRM, Altman Self-Rating Mania Scale; BRS, Brief Resilience Scale; CAARMS, Comprehensive Assessment of At Risk Mental State; CAPE, Community Assessment of Psychic Experiences; conf, confounders; DASS, Depression Anxiety and Stress Scale; demogr, demographics; depress, depression; GVSG-45, Groningse Vragenlijst voor Sociaal Gedrag; IPPA, Inventory of Parent and Peer Attachment; INT, interview; LTE, List of Threatening Experiences; MCTQ, Munich Chronotype Questionnaire; Mini-SCAN, Schedules for Clinical Assessment in Neuropsychiatry, short version; PQ, Prodromal Questionnaire; REG, register; SCL-90, Symptom Check List; SENS, sensor; SR, self-report; SSL, Social Support List; Sx, symptoms; T, measurement wave; UCL, Utrechtse Coping Lijst.