Multi-year Long COVID study
• Demographic factors
• Course of COVID-19
• Vaccination against COVID-19
• Health complaints
• Degree of recovery
• Quality of life [EQ-5D-5L]
• Fatigue [Individual Stress Checklist (CIS)]
• Post-exertional malaise (PEM)
• Depression [Patient Health Questionnaire-2 (PHQ-2)]
• Anxiety [Generalized Anxiety Disorder-2 (GAD-2)]
• Mental well-being [5-item World Health Organization Well-Being Index (WHO-5)]
• Social participation
• Labor participation
• Healthcare use
• Satisfaction with care received
• Quality of care
• Problems with arranging care