Table 5.

Adjusted multivariable Cox regression analyses.

	β	p	HR	95% CI
Gender: female vs male	−0.495	0.058	0.609	0.366–1.016
Age	−0.009	0.498	0.991	0.966–1.017
Education: high school or less vs high school or greater	0.622	0.063	1.863	0.966–3.592
Diagnosis
Other primary cancer with liver metastases (ref)
HCC or CCC	−0.017	0.949	0.983	0.573–1.684
NET	−1.917	0.065	0.147	0.019–1.123
Appendix/gallbladder/stomach/pancreatic	0.718	0.277	2.050	0.562–7.474
Vascular invasion: present vs absent	0.745	0.009	2.106	1.209–3.668
CES-D	0.035	0.011	1.035	1.008–1.063
Snoring
Not during the past month (reference)
Less than 1 time/week	0.144	0.619	1.155	0.655–2.035
1–2 times/week	−1.032	0.049	0.356	0.128–0.994
3+ times/week	−0.977	0.015	0.376	0.171–0.827
Sleep duration: linear term	−0.723	0.013	0.485	0.275–0.857
Sleep duration: quadratic term	0.062	0.009	1.064	1.015–1.115

CCC, cholangiocarcinoma; CES-D, Center for Epidemiological Studies Depression Scale; HCC, hepatocellular carcinoma; NET, neuroendocrine tumor.