Table 3

Risk behaviors among study participants


Doña Ana County, NM
(n = 100)
Ciudad Juárez, MX
(n = 204)
El Paso, TX
(n = 155)
Chi-square p-value a
All sites
(n = 459)

In the past 6 months, how often did you inject drugs?





     Less than daily
43 (43.0)
5 (2.5)
49 (31.6)

97 (21.1)
     Several times a day
55 (55.0)
198 (97.1)
100 (64.5)
< 0.0001
353 (76.9)
     No answer
2 (2.0)
1 (0.5)
6 (3.9)

9 (2.0)
In the past 6 months, how often have you used a needle that you knew had been used before?





     Never
60 (60.0)
71 (34.8)
14 (9.0)

145 (31.6)
     Share
38 (38.0)
132 (64.7)
97 (62.6)
< 0.0001
267 (58.2)
     No answer
2 (2.0)
1 (0.5)
44 (28.4)

47 (10.2)
Are you aware of any needle exchange programs in your area?





     No
29 (29.0)
174 (85.3)
135 (87.1)

338 (73.6)
     Yes
71 (71.0)
29 (14.2)
17 (11.0)
< 0.0001
117 (25.5)
     No answer
0 (0.0)
1 (0.5)
3 (1.9)

4 (0.9)
Which of the following drugs do you inject most often in the past 6 months?





     Heroin
69 (69.0)
82 (40.2)
103 (66.5)

254 (55.3)
     Cocaine
17 (17.0)
4 (2.0)
29 (18.7)

50 (10.9)
     Speedball (heroin + cocaine)
2 (2.0)
84 (41.2)
14 (9.0)

100 (21.8)
     Other
5 (5.0)
10 (4.9)
6 (3.9)
< 0.0001
21 (4.6)
     No answer
7 (7.0)
24 (11.8)
3 (1.9)

34 (7.4)

a Chi-square test of independence used to observe differences across sites.

Baumbach et al. Harm Reduction Journal 2008 5:33   doi:10.1186/1477-7517-5-33

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