Table 2.
An overview of instruments used in the patient and clinician questionnaires
| Sections | Instruments | |
|---|---|---|
| Patient questionnaire | Sociodemographics | Sociodemographics |
| (Health-related) Quality of life | QOL; SF-12 | |
| Physical and mental health | OTI-HSS; BSI-18 | |
| Infectious diseases | Knowledge, needs and attitudes; HCV treatment and treatment experiences | |
| Autonomy preference | API-Dm | |
| Satisfaction with care | ZAPA | |
| Clinician questionnaire | Sociodemographics | Sociodemographics |
| Physical and mental health | Somatic and psychiatric diseases; CGI | |
| Routine patient care data | Substitution treatment; HCV diagnostic and treatment; Consumption of substances | |
| Patient wellbeing | Problem severity in life areas; GAF | |
| Clinician questionnaire (follow-up) | Routine patient care data | Recent HCV treatment; Diagnostics prior to the recent HCV treatment; Current HCV status |
Note: QOL quality of life, SF-12 12-Item Short Form Health Survey, OTI-HSS Opiate Treatment Index-Health Scale Score, BSI-18 Brief Symptom Inventory-18, API-Dm Autonomy Preference Index - German modified version, ZAPA Satisfaction in Outpatient Care – Patient Participation, CGI Clinical Global Impression, GAF Global Assessment of Functioning