From: Self-administration and interviewer-administration of the German Chronic Respiratory Questionnaire: instrument development and assessment of validity and reliability in two randomised studies
Domain
GERMAN CRQ-IA
GERMAN CRQ-SA
Individualised dyspnoea
0.81
0.86
Standardised dyspnoea
0.92
0.78
Fatigue
0.95
0.79
Emotional Function
0.82
Mastery
0.80