Table 2.
Assessment schedule.
| Assessments | Screening | T1 | T2 | T3 | T4 |
| Sociodemographic questionnaire | Xa | —b | — | — | — |
| Suicidality (Item 9; BDI-IIc) | X | — | — | — | — |
| Diagnosis (SCID-Id, sections for anxiety disorders and current depressive episode) | — | X | — | — | X |
| Panic and agoraphobia severity, self-rating (PASe) | X | X | X | X | X |
| Panic and agoraphobia severity, observer-rating (HAM-Af) | — | — | X | — | X |
| Agoraphobic cognitions (ACQg) | — | X | X | X | X |
| Body sensations (BSQh) | — | X | X | X | X |
| Agoraphobic avoidance (Mobility Inventory) | — | X | X | X | X |
| Depressive symptoms (CES-Di) | — | X | X | X | X |
| Quality of life (SF-12j) | — | X | X | X | X |
| User satisfaction (CSQ-Ik) | — | — | (X)l | — | — |
| Usability of smartphone app (SUSm) | — | — | (X) | — | — |
aMeasured.
bNot measured.
cBDI- II: Beck Depression Inventory II.
dSCID-I: Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition Axis I Disorders.
ePAS: Panic and Agoraphobia Scale.
fHAM-A: Hamilton Anxiety Scale.
gACQ: Agoraphobic Cognitions Questionnaire.
hBSQ: Body Sensations Questionnaire.
iCES-D: Center for Epidemiologic Studies Depression Scale.
jSF-12: 12-Item Short-Form Health Survey.
kCSQ-I: Client Satisfaction Questionnaire adapted to internet-based interventions.
lOnly available for intervention group.
mSUS: System Usability Scale.