Table 2.
Overview of instruments per time of assessment
| Assessments | Screening | T0 | T1 | T2 | T3 |
|---|---|---|---|---|---|
| Sociodemographic data | x | - | - | - | - |
| Suicidality (Item 9, BDI-II) | x | - | - | - | - |
| Diagnosis (SCID-I, sections for anxiety disorders and current depressive episode) | - | x | - | - | |
| Panic and agoraphobia severity, self-rating (PAS) | x | x | x | x | x |
| Panic and agoraphobia severity, observer-rating (HAM-A) | - | x | x | - | - |
| Agoraphobic cognitions (ACQ) | - | x | x | x | x |
| Body sensations (BSQ) | - | x | x | x | x |
| Agoraphobic avoidance (MI) | - | x | x | x | x |
| Depressive symptoms (CES-D) | - | x | x | x | x |
| Quality of life (EQ-5D, SF-12) | - | x | x | x | x |
| Economic evaluations (TiC-P) | - | x | - | - | x |
| Negative effects of online health trainings | - | - | (x) | (x) | (x) |
| Attitudes towards seeking psychological help | - | - | (x) | - | - |
| User satisfactory | - | - | (x) | - | - |
| Technology acceptance of smartphone app | - | - | (x) | - | - |
| Usability of smartphone app (SUS) | - | - | (x) | - | - |
T0 = Baseline, T1 = 8 weeks, T2 = 3 months, T4 = 6 months.
Assessments: x = intervention and control group, (x) = intervention group only.
ACQ, Agoraphobic cognitions questionnaire; BDI-II, Beck Depression Inventory II; BSQ, Body sensations questionnaire; CES-D, Center for epidemiological studies depression scale; EQ-5D, EuroQol; HAM-A, Hamilton anxiety scale; MI, Mobility inventory; PAS, Panic and agoraphobia scale; SCID-I, Structured clinical interview for DSM-IV Axis I Disorders; SF-12, Short form 12; SUS, System Usability Scale; TiC-P, Trimbos and the Institute of Medical Technology Assessment Cost Questionnaire for Psychiatry.