. Author manuscript; available in PMC: 2009 Jan 1.

Published in final edited form as: Psychooncology. 2009 Jan;18(1):14–22. doi: 10.1002/pon.1368

Table 3.

Construct validity of PHQ-9 among subjects triggering full PHQ-9 by any means at T1^*

	Pearson’s Correlation with PHQ-9 Total Score
CONVERGENT VALIDITY
EORTC QLQ-30C
Physical Functioning	-.458^**
Role Functioning	-.457^**
Emotional Functioning	-.537^**
Cognitive Functioning	-.532^**
Social functioning	-.388^**
Global Health Status / QOL	-.540^**
SDS Total (n=146)	.711^**
Pain Intensity	.287^**
DISCRIMINANT VALIDITY
SDS
Constipation/bowel pattern (n=155)	.367^**
Breathing (n=158)	.296^**
Fever/chills (n=157)	.136

One patient excluded due to missing PHQ-9 items. N=159 unless otherwise noted.

^**

P<.01