. Author manuscript; available in PMC: 2010 Apr 1.

Published in final edited form as: Clin Psychol Rev. 2009 Feb 7;29(3):243. doi: 10.1016/j.cpr.2009.01.005

Table 1.

Global functioning measures used in depression research

Measure	Source	Respondent	N_items	N_DepStudies	Psychometrics
Measure	Source	Respondent	N_items	N_DepStudies	ᾱ	r_xx’
SF-36	Ware and Sherbourne (1992)	Patient	36	> 1000	.79	.42
CGI-S	American Psychiatric Association (1994)	Clinician	1	> 700	NA	.2–.81
CGI-C	American Psychiatric Association (1994)	Clinician	1	> 700	NA	.15–.78
GAF	American Psychiatric Association (1994)	Clinician	1	> 150	NA	.83

Measure abbreviations: SF-36: Short-form Health Survey, CGI-S: Clinical Global Impression-Current State, CGI-C: Clinical Global Impression-Clinical Improvement, GAF: Global Assessment of Functioning.

The psychometrics include measures of internal consistency (α) and test-retest reliability (r_xx’).