Table 1.

Characteristics of the study sample, n=53

Sociodemographic characteristics
Age, mean (SD) years		49 (7)
Sex, n (%)
	Female	26 (49)
Race, n (%)
	White	7 (13)
	Black	21 (40)
	Other	25 (47)
Ethnicity, n (%)
	Hispanic	25 (47)
	Non-Hispanic	28 (53)
Education, n (%)
	< Grade 9	24 (45)
	>= Grade 9 or GED	14 (27)
	More than high school	15 (28)
WRAT-3 reading grade equivalent, mean (SD) (n=45)		8.0 (3.9)
Marital status, n (%)
	Married	24 (45)
	Widowed	14 (27)
	Single	15 (28)
Employment, n (%)*
	Employed	2 (4)
	Unemployed or unable to work	50 (96)
Duration of HIV infection, median years (IQR)		13 (9-16)
Years of antiretroviral treatment, n (%) (n=50)
	< 6 months	13 (26)
	6-12 months	8 (16)
	1-5 years	10 (20)
	> 5 years	19 (38)
Years of methadone maintenance, median (IQR) (N=43)		10 (5-16)
Antiretroviral dosing schedule, n (%)
	Once daily	15 (28)
	Twice daily	38 (72)
HIV Viral Load, copies/ml**, n (%)
	<75	30 (58)
	≥ 75	22 (42)
Urine toxicology result***, n (%)
	Opioids	6 (11)
	Crack or cocaine	15 (28)
	Benzodiazepine	4 (8)

^*n=52

^**n=52; median of 28 days between HIV viral load test and survey

^***n=53; median of 22 days between urine toxicology test and survey