Table 3. Association between social network structure and advance care planning discussions.

	AOR, 95%CI
Single, divorced, or widowed (vs. Married)	0.71, 0.37–1.34
Living alone (vs. Living with someone)	0.95, 0.43–2.09
Age (per year)	1.03, 0.99–1.06
Male (vs. Female)	0.77, 0.48–1.24
Educational level ≤12 years (vs. >12 years)	0.88, 0.47–1.65
Low physical health status by PF of SF12, ≤50 (vs. >50)	1.16, 0.71–1.88
Low mental health status by MH of SF12, ≤50 (vs. >50)	1.12, 0.70–1.80

Abbreviations: AOR, adjusted odds ratio; 95%CI, 95% confidence interval; SF-12, the 12-Item Short Form Survey; PF, physical functioning subscale of SF-12; MH, mental health subscale of SF-12.