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Table 2 Multi-trait scaling analysis with Pearson correlation between scale items on the EORTC QLQ-CX24

From: Reliability and validity of the Amharic version of European Organization for Research and Treatment of cervical Cancer module for the assessment of health related quality of life in women with cervical cancer in Addis Ababa, Ethiopia

EOTC QLQ-CX24

Item/s number Mean ± SD Cronbach alpha Convergent validitya Discriminant validityb

Symptom scales

 Symptom experience

31–37,39,41–43

42.97 (23.68)

0 .84

0.50–0.78

0.01–0.63

 Body image

45–47

45.22 (39.57)

0 .96

0.95–0.97

0.16–0.65

 Sexual/Vaginal function

50–53

64.47 (28.84)

0.70

0.62–0.88

0.02–0.79

Symptom items

 Lymphedema

38

12.86 (27.83)

N/A

N/A

0.06–0.33

 Peripheral neuropathy

40

40.54 (39.02)

N/A

N/A

0.05–0.49

 Menopausal symptoms

44

54.77 (37.50)

N/A

N/A

0.01–0.49

 Sexual worry

48

33.52 (46.23)

N/A

N/A

0.10–0.70

Functional Items

 Sexual activity

49

7.49 (22.33)

N/A

N/A

0.20–0.39

 Sexual enjoyment

54

38.59 (31.93)

N/A

N/A

0.06–0.39

  1. SD standard deviation, N/A not applicable; aItem-own scale correlation using Pearson correlation coefficient; bItem-other scale correlation, Pearson correlation coefficient