Table 4.

Exploratory factor analysis using ratings of symptom occurrence at the end of radiation therapy

Symptoms	Factor 1 (Mood-cognitive symptom cluster)	Factor 2 (Sickness-behavior symptom cluster)	Factor 3 (Treatment-related symptom cluster)
Difficulty concentrating	.74
Difficulty sleeping	.42
Feeling sad	.93
Sweats	.49
Worrying	.97
Itching	.34
Feeling irritable	1.00
Pain		.63
Lack of energy		.75
Feeling drowsy		1.03
Problem with urination			-.67
Changes in skin			.80

Extraction method: robust unweighted least squares, Rotation method: Geomin (oblique) rotation