TABLE 4.

Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition – Text Revision diagnostic classification and modified Comprehensive Pain Evaluation Questionnaire (CPEQ) constructs (n=274)

CPEQ construct	Diagnosis	Mean	Kruskal-Wallis
Activity interference	Group I	3.6	0
	Group II	4.1
	Group III	4.1
Emotional distress	Group I	3.4	0
	Group II	3.9
	Group III	3.9
Social support	Group I	1.8	0.092
	Group II	1.9
	Group III	2.2
Pain intensity	Group I	5.4	0
	Group II	6.8
	Group III	6.7

Group I – Pain Disorder Associated with a General Medical Condition, in which pain results from a general medical condition and psychological factors are judged to play either no role or a minimal role in the onset, severity, exacerbation or maintenance of the pain; Group 2 – Pain Disorder Associated with both Psychological Factors and a General Medical Condition, in which both psychological factors and a general medical condition are judged to have important roles in the onset, severity, exacerbation or maintenance of the pain; Group 3 – Pain Disorder Associated with Psychological Factors, in which psychological factors are judged to have the major role in onset, severity, exacerbation or maintenance of the pain. General medical conditions play either no role or a minimal role in the onset, severity, exacerbation, or maintenance of the pain