QVS database research
- Demographic factors
- Health complaints
- Quality of life [EQ-5D-5L]
- Fatigue [Multidimensional Fatigue Index (MVI)]
- Post-exertional malaise
- Depression [Patient Health Questionnaire-2 (PHQ-2)]
- Anxiety [Generalized Anxiety Disorder-2 (GAD-2)]
- Postural orthostatic tachycardia syndrome (POTS)
- Loneliness [shortened version of the De Jong Gierveld Loneliness Scale]
- Death and mourning
- Resilience
- Social participation
- Labor participation
- Health care use
- Care needs
- Satisfaction with received care
- Coordination of care
- Help questions
- Impact on financial situation
- Recognition