Validity and reliability of the simplified Chinese patient-reported outcomes version of the common terminology criteria for adverse events

Table 2 Results of the structural validity analysis (N = 1555)

Components	Item	Factor loadings	AVE	CR
Radiation reaction	Dry mouth(S)	0.77	0.58	0.93
	Difficulty Swallowing(S)	0.85
	Mouth/throat sores (S)	0.88
	Mouth/throat sores (I)	0.86
	Cracking at the corners of the mouth (S)	0.72
	Hoarseness(S)	0.65
	Taste changes(S)	0.77
	Skin dryness(S)	0.67
	Radiation skin reaction(S)	0.68
Anxiety and sadness	Anxious(F)	0.83	0.77	0.95
	Anxious(S)	0.86
	Anxious(I)	0.90
	Sad(F)	0.87
	Sad(S)	0.94
	Sad(I)	0.87
Nausea and vomiting	Nausea(F)	0.90	0.72	0.91
	Nausea(S)	0.98
	Vomiting(F)	0.73
	Vomiting(S)	0.76
Pain	Pain(F)	0.88	0.85	0.94
	Pain(S)	0.98
	Pain(I)	0.90
Fatigue	Fatigue(S)	0.94	0.92	0.96
	Fatigue(I)	0.98
Decreased appetite	Decreased appetite (S)	0.94	0.88	0.94
	Decreased appetite (I)	0.94
Concentration	Concentration(S)	0.92	0.83	0.91
	Concentration(I)	0.90
Numbness and tingling	Numbness & tingling(S)	0.88	0.83	0.90
	Numbness & tingling(I)	0.93
Insomnia	Insomnia(S)	0.91	0.86	0.93
	Insomnia(I)	0.95
Cough	Cough(S)	0.93	0.86	0.93
	Cough(I)	0.93
Dyspnoea	Shortness of breath(S)	0.93	0.90	0.95
	Shortness of breath(I)	0.97

Abbreviations: AVE, Average Variance Extracted; CR, Construct Reliability; F, Frequency; I, Interference with daily activities; S, Severity

ISSN: 1471-2407