Table 2.

The Association Between Depressive Symptoms and IL-6 Levels

	SCCOR		COPDGene
	OR (95% CI)	p-value	OR (95% CI)	p-value
Unadjusted*	1.79 (1.12–2.86)	0.014	1.60 (1.23–2.08)	<0.001
Non-pulmonary confounders┼	1.79 (1.12–2.86)	0.014	1.61 (1.23 −2.11)	0.001
Pulmonary and non-pulmonary confounders¥	1.70 (1.07–2.68)	0.024	1.52 (1.13 −2.04)	0.006

Notes: *Adjusted for gender, age, BMI. ^┼Adjusted for gender, age, BMI, stroke, diabetes, cancer history; diabetes not included for SCCOR. ^¥Adjusted for gender, age, BMI, stroke, diabetes, cancer history, smoking status, FEV₁/FVC; diabetes not included for SCCOR.