Panel B: Factors Associated with Depression
Variables**	OR 95% Confidence Interval P value
Stage of disease
Nonmetastatic	1.0
Metastatic	2.4
	1.13, 5.22
	0.02
ECOG performance status***
0	1.0
1–4	2.20
	1.60, 3.00
	0.001

^**, Candidate variables assessed included disease-related (i.e., primary cancer site, metastasis, ECOG performance status), comorbid conditions, and sociodemographic factors (sex, age, educational level, marital and employment status); OR=odds ratio; ^***, ECOG performance status analyzed as a continuous variable with zero as reference.