Skip to main content

Table 3 Reliability, convergent and discriminative validity of the Taiwan Chinese EORTC QLQ-C30 and QLQ-CR29

From: Validation of the Taiwan Chinese version of the EORTC QLQ-CR29 to assess quality of life in colorectal cancer patients

Scale Convergent validity Discriminative validity Cronbach’s α
QLQ-C30 function
 QL2 0.95-0.96 0.27-0.54 0.88
 PF 0.57-0.87 0.06-0.49 0.82
 RF 0.96-0.97 0.12-0.54 0.93
 EF 0.70-0.86 0.10-0.52 0.8
 CF 0.78-0.82 0.07-0.45 0.45
 SF 0.85-0.91 0.09-0.52 0.73
QLQ-C30 Symptom
 FA 0.86-0.87 0.12-0.41 0.83
 NV 0.86-0.93 0.13-0.32 0.75
 PA 0.84 0.01-0.42 0.61
QLQ-CR29 function
 BI 0.87-0.90   0.9
QLQ-CR29 symptom
 UF 0.91 0.04-0.32 0.82
 BMS 0.88 0.01-0.37 0.78
 SF2 0.84-0.91 0.27-0.35 0.7
  1. QL2 global health/quality of life, PF physical function, RF role function, EF emotion function, CF cognitive function, SF social function, FA fatigue, NV nausea/vomiting, PA pain, BI body image, UF urinary frequency, BMS blood and mucus in stool, SF2 stool frequency