| T0 | T1 | T2 | T3 | T4 |
---|---|---|---|---|---|
Measurements for the efficacy evaluation | Â | Â | Â | Â | Â |
Center for epidemiological studies depression Scale | x | x | x | x | x |
Hospital anxiety and depression scale (Depression) | - | x | x | x | x |
Penn state worry questionnaire | - | x | x | x | x |
Behavioural activation depression scale | - | x | x | x | x |
Social problem solving inventory - Revised | - | x | x | x | x |
Haemoglobin A1c | - | x | Â | x | x |
Problem areas in diabetes | - | x | x | x | x |
Acceptance and action diabetes questionnaire | - | x | x | x | x |
Diabetes self-management questionnaire | - | x | x | x | x |
Kessler psychological distress scale | - | x | - | - | - |
Negative effects of online health trainings | - | - | (x) | - | - |
Attitudes towards seeking psychological help scale | - | x | x | - | - |
Measurements for the economic evaluation | Â | Â | Â | Â | Â |
Trimbos/iMTA questionnaire for costs associated with Psychiatric Illness | - | x | - | x | x |
Quality of life (EuroQol, SF-12) | - | x | x | x | x |
Additional measurements | Â | Â | Â | Â | Â |
Demographic variables questionnaire | x | - | - | - | - |
Lifestyle data | x | - | - | - | - |
Data on diabetes | x | - | - | - | - |
Patient questionnaire on therapy expectation and evaluation (Online-Training) | - | x | - | - | - |
Client Satisfactory Questionnaire | - | - | (x) | - | - |
Way of recruitment and familiarity with the Internet | x | - | - | - | - |