Items

Mean

SD

Factors

Corrected item-total correlation

Cronbach’s alpha

Factor 1 (Body image)

Factor 2 (Arm and breast symptoms)

Factor 3 (Systemic side effect)

Q31

1.85

1.074

0.529

0.404

0.635

Q32

1.32

0.776

0.737

0.479

Q33

1.4

0.757

0.389

0.294

Q34

1.71

1.038

0.524

0.310

Q36

1.62

0.937

0.529

0.367

Q37

1.2

0.637

0.534

0.407

Q39

1.71

1.085

0.782

0.661

0.795

Q40

1.79

1.121

0.799

0.662

Q41

1.78

1.136

0.803

0.653

Q42

1.65

1.043

0.780

0.604

Q43

2.16

1.185

0.396

0.335

Q47

2.48

1.181

0.544

0.618

Q48

1.79

1.097

0.497

0.486

0.775

Q49

2.03

1.147

0.616

0.660

Q50

1.74

0.937

0.633

0.519

Q51

1.22

0.587

0.441

0.334

Q52

1.3

0.701

0.777

0.467

Q53

1.39

0.789

0.677

0.424