Table 1.

Sample Demographic Information

	N
Age	62	26 32 42 (35±11)
Gender	62
Female		48% $\frac{30}{62}$
Male		52% $\frac{32}{62}$
Marital Status	62
Single		50% $\frac{31}{62}$
Married		50% $\frac{31}{62}$
Insurance Type	62
Private		55% $\frac{34}{62}$
Public		40% $\frac{25}{62}$
Uninsured		5% $\frac{3}{62}$
Employment	62
Unemployed		40% $\frac{25}{62}$
Employed		60% $\frac{37}{62}$
History of IV Drug Use (any substance)	60
No		45% $\frac{27}{60}$
Yes		55% $\frac{33}{60}$
History of Residential Treatment	62
No		45% $\frac{28}{62}$
Yes		55% $\frac{34}{62}$
Comorbid Anxiety Disorder	62
No		68% $\frac{42}{62}$
Yes		32% $\frac{20}{62}$
Severity of Opioid Use (mg)	62	101 240 908 (410±375)
Starting Buprenorphine Dose(mg)	62	8.0 10.0 16.0 (11.3± 5.5)
Buprenorphine Maintenance Dose (mg)	62	16 20 24 (19± 7)
Time to Relapse (months)	30	3 5 16 (10±10)

a b c represent the lower quartile a, the median b, and the upper quartile c for continuous variables. x ± s represents X ± 1 SD.

N is the number of non-missing values.