Table2.

Multivariate binary logistic regression analysis for independent factors of sleep quality among PN patients

Variables	OR (95%CI)	P-value
Age (reference: < 50)	1.88 (1.35, 2.58)	< 0.001
Gender (reference: male)	1.56 (1.05, 2.33)	0.028
Smoking status (reference: never smoke)
Current	0.57 (0.27, 1.20)	0.139
Ever	1.02 (0.62, 1.68)	0.951
Subjective symptoms (reference: no)	1.14 (0.82, 1.30)	0.441
Reasons of CT workup (reference: physical discomfort)
Health check-up	0.64 (0.41, 1.03)	0.064
Follow-up exam for PN	0.66 (0.43, 1.02)	0.061
Number of PNs (reference: solitary)	1.31 (0.96, 1.80)	0.089
Time from date of detection(reference: > 24 months)
0–6 months	1.65 (0.99, 2.73)	0.053
7–12 months	2.14 (1.18, 3.89)	0.013
12–24 months	1.78 (0.72, 2.36)	0.382
HADS-A (reference: not anxiety)	1.78 (1.17, 2.71)	0.007
HADS-D (reference: not depression)	1.84 (1.16, 2.92)	0.010

HADS hospital anxiety and depression scale, hx history