Table 1.

Selected characteristics of Baltimore NEP clients at enrollment, November 1994- December 2005 (N=12,388)

Characteristics	N	%
Total	12,388
Female	3863	31%
< Age 30	1723	14%
Homeless	437	4%
High school degree/GED	7483	60%
Race
White	2793	23%
Black/African-American	9034	73%
Other	543	4%
Marital Status
Single	8232	66%
Widowed/Separated/Divorced	2957	24%
Married	1109	9%
Same Zip Code as Enrollment Site	4321	36%
Employed	1729	14%
Drug treatment (ever)*	4093	59%
>20 years of injection drug use	4808	39%
≥ 4 injections per day*	3375	48%

^*These variables were collected routinely from 1998. Percentages are calculated out of 6910 unique clients.