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. Author manuscript; available in PMC: 2019 Jul 1.
Published in final edited form as: AIDS Behav. 2018 Jul;22(7):2161–2171. doi: 10.1007/s10461-017-1814-6

Table IIIa.

Demographics and Drug Use among new and long-term “Regular” PWID in Hai Phong, Viet Nam, 2014

Long-term New injectors**
Total N 372 139
Avg. Age(SD)* 39(8) 34(8)
Avg. Years injecting (SD)* 12(5)
%
2(2)
%
Gender
 Male 97 98
 Female 3 2
Drug use behaviors
 Heroin (injected) 100 100
 Methamphetamine (injected) <1 0
 Methamphetamine (non-injected) 23 20
Sexually active* 34 45
HIV seropositive* 33 1
HCV seropositive* 78 45
Injecting daily or more frequently* 85 77
Receptive sharing+ 4 7
Distributive sharing# 3 4
Sex with primary partner* 30 40
Unsafe sex with primary partner 23 31
Sex with casual partner 2 3
Unsafe sex with casual partner 1 1
Exchanged sex for money 0 0
Unsafe sex with client 0 0
Exchanged money for sex 5 8
Unsafe sex with sex worker 1 1
+

defined as receiving used needles/syringes from other PWID

#

defined as giving used needles/syringes to other PWID

*

Significant difference (p < 0.05) by chi-square test (for continuous variables t-test was used)

**

Long term injectors, injecting 5+ years, new injectors, injecting <5 years