Table 2.

Univariate and Multivariable Regression

	Univariate			Multivariate
	OR	95% CI	p	OR	95% CI	p
Race
White						—
Black	0.73	0.62–0.85	<0.001	0.70	0.59–0.83	<0.001
Hispanic	0.86	0.70–1.05	0.14	0.69	0.56–0.85	0.001
Asian	0.66	0.46–0.97	0.03	0.85	0.58–1.26	0.42
Other	0.72	0.29–1.79	0.48	0.7	0.28–1.79	0.46
Age (in 10 years)	0.78	0.75–0.81	<0.001	0.76	0.73–0.79	<0.001
Length of stay (in 10 days)	1.51	1.43–1.61	<0.001	1.58	1.48–1.68	<0.001
Alcohol use	0.71	0.63–0.80	<0.001	1.05	0.92–1.21	0.46
Opioids use	2.45	2.19–2.74	<0.001	1.72	1.48–1.99	<0.001
Cocaine use	2.95	2.60–3.40	<0.001	2.26	1.92–2.66	<0.001
Methamphetamine use	3.5	2.89–4.25	<0.001	1.44	1.15–1.79	0.001
Polysubstance use	1.81	1.61–2.03	<0.001	1.39	1.22–1.59	<0.001
Prescribed med for SUD	2.13	1.87–2.41	<0.001	1.47	1.25–1.73	<0.001
Discharge year
2017	1			1
2018	0.94	0.8–1.11	0.50	0.96	0.81–1.14	0.67
2019	1.02	0.87–1.19	0.80	1.08	0.92–1.28	0.34
2020	0.99	0.85–1.16	0.91	0.97	0.82–1.15	0.76

Please see Methods section for definition of drug use disorders.

CI, confidence interval; OR, odds ratio; SUD, substance use disorder.