Table 3.

Adjusted model for association between demographic factors and showing the patterns of at-risk drinking or dependency (AUDIT > =8)

At-risk drinking or dependency	Odds ratio	P value	95% CI
Trauma center
Level 1a	Ref	Ref	Ref
Level 2	1.72	<0.001	1.48	2.007
Age
18–20	0.63	0.001	0.48	0.82
21–29a	Ref	Ref	Ref
30–39	0.93	0.58	0.74	1.17
40–49	0.70	0.003	0.56	0.88
50–64	0.53	<0.001	0.42	0.66
65+	0.23	<0.001	0.17	0.31
Sex
Malea	Ref	Ref	Ref
Female	0.40	<0.001	0.33	0.49
Education level
Less than high school	0.91	0.519	0.69	1.20
High school graduatea	Ref	Ref	Ref
Some college/Associate degree	0.72	<0.001	0.60	0.86
4 year/advanced degree	0.62	<0.001	0.49	0.77
Language
Englisha	Ref	Ref	Ref
Spanish	0.79	0.16	0.58	1.09
Constant	0.39	<0.001	0.32	0.46

^aReference group for comparison (pseudo R² = 0.07)