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. Author manuscript; available in PMC: 2010 Jul 2.
Published in final edited form as: Subst Use Misuse. 2009;44(2):253–281. doi: 10.1080/10826080802347677

Table 4.

Risk Behaviors in Prior 30 Days Reported at Baseline and 6-month Follow-up (Mean times reported by participants who completed both measures, n=367)

Baseline 6-month p
Times injected drugs (n=157) a 119.32 77.82 .000
    Times used previously used needle/syringe b 6.75 4.15 .511
    Times shared injection equipment b 30.33 10.35 .058
    Times shared drug solution from other's syringe b 13.38 2.36 .129
Times used crack 89.52 61.50 .024
Times used other non-injection opiates, cocaine or
    amphetamines
18.86 12.79 .077
Number of sex partners 2.91 2.13 .145
Times had any unprotected sex 5.59 3.71 .048
    Times unprotected sex with primary partner c 3.68 2.75 .232
    Times unprotected sex with non-primary partner c 1.45 .23 .017
    Times unprotected sex in exchange for money/drugs c 1.17 .56 .243
    Times unprotected sex with drug injector c 1.28 .42 .075
    Times unprotected sex with crack user c 1.45 1.19 .584
a

Includes participants who injected at either baseline or follow-up who completed both surveys.

b

Includes participants who injected at both baseline and follow-up (n=92).

c

Includes participants who were sexually active at both baseline and follow-up (n=211).