Medicaid expansion and treatment for opioid use disorders in Oregon: an interrupted time-series analysis

Table 1 Characteristics of Medicaid recipients with an OUD diagnosis

	2010		2011		2012		2013		2014		2015		2016
	N	%	N	%	N	%	N	%	N	%	N	%	N	%
OUD population	3653	100	5733	100	6235	100	6808	100	13,418	100	15,251	100	15,021	100
Age (mean)	40.8	n/a	39.5	n/a	39.2	n/a	39.3	n/a	37.9	n/a	38.5	n/a	38.9	n/a
18–24 years	332	9.1	598	10.4	652	10.5	724	10.6	1556	11.6	1501	9.8	1248	8.3
25–34 years	1007	27.6	1819	31.7	2049	32.9	2164	31.8	4864	36.2	5439	35.7	5405	36.0
35–44 years	792	21.7	1239	21.6	1350	21.7	1575	23.1	3006	22.4	3520	23.1	3618	24.1
45–54 years	891	24.4	1246	21.7	1291	20.7	1299	19.1	2315	17.3	2670	17.5	2538	16.9
55–64 years	631	17.3	831	14.5	893	14.3	1046	15.4	1677	12.5	2121	13.9	2212	14.7
Gender
Male	1173	32.1	2085	36.4	2245	36.0	2389	35.1	6245	46.5	7144	46.8	6860	45.7
Race/ethnicity
White	2994	82.0	4724	82.4	5175	83.0	5658	83.1	10,670	79.5	12,262	80.4	12,021	80.0
Hispanic	173	4.7	292	5.1	286	4.6	338	5.0	1090	8.1	1158	7.6	1081	7.2
African American	232	6.4	302	5.3	309	5.0	340	5.0	495	3.7	551	3.6	552	3.7
American Indian/Alaskan Native	130	3.6	192	3.3	218	3.5	238	3.5	477	3.6	506	3.3	520	3.5
Asian/Pacific Islander	17	0.5	40	0.7	54	0.9	48	0.7	125	0.9	146	1.0	136	0.9
Other/unknown	107	2.9	183	3.2	193	3.1	186	2.7	561	4.2	628	4.1	711	4.7
Geography
Rural	968	26.5	1505	26.3	1691	27.1	1957	28.7	3875	28.9	4591	30.1	4661	31.0
Psychiatric disorder	2545	69.7	3926	68.5	4156	66.7	4452	65.4	7536	56.2	8658	56.8	8723	58.1

Assessed among continuously enrolled adults (18–64) with an OUD diagnosis, not dually eligible for Medicaid and Medicare, and enrolled in a regional Medicaid health plan

ISSN: 1940-0640