Table:

Unadjusted and adjusted associations between socioeconomic status and mortality by logistic regression

Variables in Model	Death Prior to Discharge
	Unadjusted	Model 1	Model 2	Model 3	Model 4
	OR† (95% CI)	aOR‡ (95% CI)	aOR (95% CI)	aOR (95% CI)	aOR (95% CI)
Low SES*	1.45 (1.03 – 2.05)	1.24 (0.83 – 1.88)	1.24 (0.83 – 1.86)	1.22 (0.81 – 1.84)	1.20 (0.76 – 1.89)
Maternal race/ethnicity
White, non-Hispanic		Ref.	Ref.	Ref.	Ref.
Black, non-Hispanic	--	1.74 (1.01 – 3.00)	1.77 (1.04 – 3.03)	1.80 (1.04 – 3.10)	1.76 (0.97 – 3.19)
Hispanic/Latino		1.16 (0.68 – 1.99)	1.09 (0.64 – 1.86)	1.17 (0.68 – 2.00)	1.25 (0.70 – 2.24)
Asian		1.63 (0.51 – 5.19)	1.76 (0.55 – 5.60)	1.77 (0.56 – 5.65)	1.29 (0.35 – 4.73)
Native American/Alaskan/PI		2.44 (0.57 – 10.43)	3.56 (0.94 – 13.46)	2.59 (0.61 – 11.08)	1.03 (0.12 – 9.01)
Low birthweight	--	1.51 (0.90 – 2.53)	--	1.18 (0.66 – 2.12)	1.53 (0.84 – 2.79)
Preterm birth	--	--	1.91 (1.16 – 3.16)	1.76 (0.99 – 3.14)	1.65 (0.89 – 3.01)
Restrictive atrial septum	--	2.59 (1.53 – 4.37)	2.67 (1.60 – 4.46)	2.64 (1.56 – 4.48)	-- ‖
Extracardiac birth defect	--	3.57 (2.10 – 6.10)	3.14 (1.86 – 5.29)	3.40 (1.98 – 5.83)	2.92 (1.63 – 5.23)
Any genetic defect	--	1.81 (0.81 – 4.07)	2.01 (0.90 – 4.47)	1.90 (0.85 – 4.29)	2.38 (1.01 – 5.63)

^*SES- Socioeconomic status;

^†OR- Odds Ratio;

^‡aOR- Adjusted Odds Ratio;

^‖Patients with restrictive atrial septum excluded