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 1
Study 2
Study 1
Study 2
Subjects n
660
441
578
376
CDLM
0.93
0.93
0.89
0.90
GCSQ
0.82
0.88
0.82
0.75
ICC: intraclass correlation coefficient.
#
: Cronbach’s α.