Table 6.

Among patients identified with an alcohol and other drug use in any setting who initiated AOD treatment (N=24,188), characteristics associated with AOD use disorder treatment engagement

Characteristics associated with treatment engagement	Identified in any setting (N=24,188) N (%) or Median (IQR)	Unadjusted RR for engagement (95% CI)	Adjusted RR for engagement (95% CI)
Race/ethnicity
White	15086 (62.4)	[Ref]	[Ref]
Asian	806 (3.3)	0.92 (0.79–1.08)	0.99 (0.86–1.14)
African American	2610 (10.8)	0.58 (0.46–0.72)	0.73 (0.63–0.84)
Hispanic	4129 (17.1)	0.97 (0.91–1.03)	0.97 (0.92–1.02)
Other/Unknown	1557 (6.4)	1.14 (0.91–1.44)	1.08 (0.93–1.25)
Age	50.3 (18.6)	0.98 (0.97–0.98)	--
Sex
Female	14466 (59.8)	0.92 (0.87–0.97)	1.02 (1.00–1.05)
Male	9722 (40.2)	[Ref]	[Ref]
Index encounter setting
Inpatient	16193 (67.0)	[Ref]	[Ref]
Outpatient	5294 (21.9)	7.75 (5.85–10.27)	6.73 (5.08–8.92)
Emergency Department	2669 (11.0)	3.73 (2.79–4.99)	3.31 (2.45–4.46)
Other	32 (0.1)	3.88 (1.90–7.93)	3.40 (1.68–6.89)
Charlson/Deyo comorbidity index
0	11371 (47.0)	[Ref]	[Ref]
1	4712 (19.5)	0.64 (0.60–0.68)	0.87 (0.82–0.93)
2+	8105 (33.5)	0.33 (0.28–0.38)	0.65 (0.58–0.72)
Diagnosis in the prior year
Tobacco dependence	7140 (29.5)	0.93 (0.87–0.99)	--
Pregnancy/childbirth	1019 (4.2)	0.38 (0.24–0.61)	0.62 (0.45–0.86)
Injury/poisoning	11370 (47.0)	0.65 (0.59–0.71)	0.97 (0.96–0.99)
Cirrhosis	2800 (11.6)	0.95 (0.82–1.10)	--
Hepatitis C	816 (3.4)	1.05 (0.90–1.22)	--
Pancreatic disease	1170 (4.8)	0.75 (0.68–0.81)	1.23 (1.20–1.26)

Abbreviations. IQR=interquartile range; RR = risk ratio; CI = confidence interval; AOD=alcohol or other drugs