Table 1.

Study sample descriptives by alcohol and illicit drug use and disorders.

	Daily/weekly alcohol use in prior 3 months			Illicit drug use in prior 3 months			Alcohol disorder in prior 3 years			Drug disoder in prior 3 years
	Yes (n = 134)	No (n = 838)	p <	Yes (n = 157)	No (n = 815)	p <	Yes (n = 90)	No (n = 882)	p <	Yes (n = 138)	No (n = 834)	p<
Age (%)
21–44	23.7	20.3		22.9	20.4		15.2	21.4		30.8	19.6
45–64	54.2	56.1		68.8	53.0		59.2	55.4		57.9	55.5
65+	22.1	23.7	ns	8.3	26.5	.001	25.6	23.2	ns	11.2	25.0	.001
College (%)	57.8	59.4	ns	48.7	61.3	.05	55.6	59.4	ns	50.2	60.3	ns
Ethnicity (%)
Hispanic	9.0	11.5		11.0	11.1		14.8	10.7		14.1	10.7
White	81.1	75.5		78.6	76.0		76.9	76.4		74.2	76.7
Black	6.7	10.0		7.8	9.7		4.8	9.8		8.4	9.5
Other	3.3	3.1	ns	2.6	3.2	ns	3.5	3.1	ns	3.4	3.1	ns
Female (%)	46.0	66.4	.001	51.0	65.4	.05	44.2	64.7	.05	57.0	63.7	ns
Opioid dose (%)
<20 mg/day	48.4	28.8		24.8	33.4		20.8	33.2		7.2	35.3
20-50 mg/day	29.5	32.5		38.1	30.8		38.0	31.4		38.9	31.1
50-120 mg/day	14.6	20.5		16.8	20.0		18.8	19.5		22.4	19.1
120+ mg/day	7.5	18.3	.001	20.3	15.7	ns	22.4	15.9	ns	31.4	14.5	.001
Depression (%)	41.8	47.0	ns	56.1	44.3	ns	53.3	44.4	ns	67.2	42.3	.001
Average pain intensity (mean, std)	5.9 (0.2)	6.6 (1.7)	.001	6.5(0.07)	6.5 (1.5)	ns	6.5(1.6)	6.6(1.2)	ns	6.6(1.3)	6.5(1.6)	ns