Table 2.

Crude and Fully Adjusted HR of 30-Day Readmission Among REGARDS Participants Admitted for Heart Failure in REGARDS

SDOH	Crude			Model 1			Model 2
	HR	95% CI	P-value	HR	95% CI	P-value	HR	95% CI	P-value
Less education	1.08	(0.75, 1.56)	0.68	1.07	(0.72, 1.58)	0.75	1.03	(0.69, 1.55)	0.88
Health Professional Shortage Area (HPSA)	1.47	(1.07, 2.01)	0.02	1.46	(1.05, 2.02)	0.02	1.35	(0.96, 1.9)	0.09
Low Income	0.97	(0.68, 1.37)	0.86	0.94	(0.64, 1.38)	0.75	0.90	(0.61, 1.32)	0.59
Poor public health infrastructure	0.91	(0.66, 1.26)	0.56	0.87	(0.62, 1.22)	0.42	0.83	(0.56, 1.22)	0.34
Black race	1.17	(0.84, 1.61)	0.35	1.13	(0.78, 1.62)	0.52	1.03	(0.71, 1.49)	0.89
Rural residence	1.20	(0.72, 1.99)	0.49	1.15	(0.68, 1.94)	0.61	1.06	(0.61, 1.84)	0.84
Social Network	0.97	(0.59, 1.59)	0.90	0.92	(0.56, 1.52)	0.75	0.85	(0.51, 1.41)	0.52
Social isolation	1.30	(0.84, 2.00)	0.24	1.26	(0.81, 1.95)	0.31	1.21	(0.76, 1.91)	0.42
Zip code level poverty	1.09	(0.75, 1.60)	0.65	0.99	(0.65, 1.51)	0.96	0.98	(0.64, 1.5)	0.92

Crude – Individual SDOH: Education, HPSA, low income, poor public health infrastructure, black race, rural residence, social network, social isolation, zip code level poverty

Model 1- adjusted for other SDOH

Model 2 - adjusted for other SDOH, age, Charlson comorbidity index Current smoking, Impaired Cognition, discharge from nursing home, length of stay, and bed size of admitting hospital