Table 2. Association of psychiatric disorders and odds of continued (persistent) smoking in patients with COPD.

AOR = adjusted odds ratio; COPD = chronic obstructive pulmonary disease; aOR = unadjusted odds ratio. bAdjusted for covariables selected (p<0.20) from univariate models, including age, educational level, residential area, other medical comorbidities, and type of smoking.

The reference group for each category is the absence of the specified psychiatric disorder.

Psychiatric disorders	aOR(95%CI)	p-value	bAOR (95% CI)	p-value
Lifetime depression	2.52 (0.88-5.7)	0.091	2.79 (0.96-8.06)	0.058
Current depression	3.92 (1.30-11.80)	0.012	4.50 (1.34-15.06)	0.010
Any anxiety disorder	3.57 (0.93-13.76)	0.061	3.47 (0.80-15.02)	0.091
Current psychiatric disorder	3.11 (1.22-7.91)	0.012	4.62 (1.46-14.54)	<0.001