Table 3– Reliability estimates of the Capacity of Daily Living during the Morning (CDLM) questionnaire and the Global Chest Symptoms Questionnaire (GCSQ)
Internal consistency#ICC
Study 1Study 2Study 1Study 2
Subjects n660441578376
CDLM0.930.930.890.90
GCSQ0.820.880.820.75
  • ICC: intraclass correlation coefficient. #: Cronbach’s α.