Table 1a.

Persons using chronic opioid therapy for non-cancer pain: sample characteristics by concurrent alcohol use and overall. Limited to persons taking opioids everyday out of the last 2 weeks.

Variables	Concurrent Alcohol Use		p-value	Total Sample
	No	Yes
Number of patients	1661 (87.6%)	187 (12.4%)	-	1848
Female (%)	65.1	42.5	0.0001	62.3
Mean age	55.8	54.8	0.48	55.7
Mean BMI	31.0	30.2	0.29	30.9
Some college education (%)	60.4	63.9	0.52	60.9
Current Smoker (%)	24.1	29.2	0.29	24.7
Risky Drinker per AUDIT-C (%)	7.1	64.7	< .0001	14.2
Depressed (%)	62.0	51.4	0.07	60.7
Average pain intensity last 3 months (0-10)	5.9	5.5	0.045	5.8
Mean days with pain in prior 6 months	167.6	170.2	0.36	167.9
Using opioids for more than one pain condition (%)	63.5	64.2	0.91	63.6
Mean daily opioid dose (mg. MED) prior 3 months	82.5	69.4	0.22	80.9
Daily opioid dose >= 120 mg. MED (%)	16.8	10.0	0.006	15.9
Opioids very/extremely helpful (%)	59.1	59.5	0.94	59.1
Predominate use of long-acting opioids in the prior 3 months (%)	32.7	26.5	0.19	31.9
SUD Identification
Any SUD Diagnosis from electronic data-drug or alcohol (%)	16.7	14.2	0.43	16.4
Diagnosis from electronic data—alcohol (%)	6.3	9.9	0.19	6.7
Diagnosis from electronic data—drug (%)	13.8	10.9	0.33	13.4
Self-report drug or alcohol problem (%)	22.0	22.8	0.85	22.1
Alcohol Use Disorder per AUDIT-C (%)	0.7	10.9	0.0003	2.0
Any of the Above (%)	31.0	33.5	0.60	31.3

Abbreviations: BMI, body mass index; AUDIT, Alcohol Use Disorders Identification Test; MED, morphine equivalent dose; SUD, substance use disorder

NOTES: Unweighted N's and weighted percents Risky Drinking does not include AUDIT-C scores of 7 or greater