Table 1 Overview of questionnaires
| Â | Â | Time of measurement | |||
|---|---|---|---|---|---|
Self rated questionnaires | Aim | T0 Baseline (pre-test) | T1 Post-test | T2 Follow-up (3 months) | T3 Follow-up (12 months) |
CES-D | Symptoms of depression | X | X | X | X |
PHQ-9 | Symptoms of depression | X | X | X | X |
HADS | Symptoms of anxiety | X | X | X | X |
BAI | Symptoms of anxiety | X | X | X | X |
EuroQol | Quality of life | X | X | X | X |
TIC-P | Health service uptake and production losses | X | - | X | X |
Mastery scale | Mastery | X | X | X | X |
CSQ-8 (condition 1–4) | Client satisfaction with treatment | - | X | - | - |
WAI (condition 2–4) | Client satisfaction with coach | - | X | - | - |
CEQ | Expectancy and treatment credibility | X | - | - | - |
SQ | Motivation | X | Â | Â | Â |
SAPAS | Personality disorder | X | - | - | - |
WSQ | Common mental disorders | X | - | - | - |
SPSI-R | Problem solving skills | X | X | X | X |
Internet-Intervention Adherence Survey | Non-response, attrition | - | i.a. | i.a. | i.a. |
Various | User characteristics | X | - | - | - |