Table 1

Cronbach alpha coefficients of domains 1 to 9 of the CFQoL1 and comparative domains of the CFQoL2

Domain No of items Alpha coefficient No of items Alpha coefficient
Physical functioning100.90100.92
Social functioning30.691-151  40.89
Treatment issues20.81 30.89
Chest symptoms20.84 20.83
Emotional responsesNot  applicable 80.91
Concerns for the future60.82 60.83
Interpersonal relationships80.90100.90
Body image20.68 30.72
Career concerns30.90 40.84
Relationships at work20.461-151 Excluded from this version
  • 1-151 Factors that have failed to achieve alpha coefficients of 0.7 or above.