Table 2. Characteristics of traumatic brain injury inpatients with comorbid alcohol use disorder.

AUD, alcohol use disorder

Variables	Non-AUD	AUD	Odds ratio	95% CI	P-value
Total inpatients	59,206	2,644	-	-	-
Age groups, %
8-11 years	18.5	3.6	Reference
12-18 years	81.5	96.4	4.24	3.46-5.21	< 0.01
Sex, %
Male	70.9	77.2	1.17	1.06-1.29	< 0.01
Female	29.1	22.8	Reference
Race, %
Caucasian	59.4	53.3	Reference
African American	14.7	6.0	0.41	0.35-0.49	< 0.01
Hispanic	18.2	31.3	1.89	1.72-2.09	< 0.01
Other	7.7	9.3	1.37	1.18-1.59	< 0.01
Psychiatric comorbidities, in %
No comorbidities	-	-	Reference
Anxiety disorders	2.2	3.2	0.71	0.54-0.93	0.014
Mood disorders	3.9	8.5	1.62	1.37-1.92	< 0.01
Psychotic disorders	0.5	1.3	1.14	0.75-1.73	0.552
Substance use disorders, in %
Tobacco	3.7	20.5	3.77	3.34-4.27	< 0.01
Cannabis	2.6	21.4	4.69	4.12-5.34	< 0.01
Opioid	0.2	0.4	0.35	0.16-0.77	0.01
Stimulants	0.3	4.3	5.11	3.85-6.77	< 0.01