Table 1 Baseline characteristics among PWID cohort participant in Hai Phong.

From: HIV control programs reduce HIV incidence but not HCV incidence among people who inject drugs in HaiPhong, Vietnam

 

HIV negative n = 199

HCV negative n = 99

Sex (Male)

179(89.9%)

89(89.9%)

Age (median [IQR])

37[30–45]

36[30–43]

School

Never been to school

2(1.0%)*

0(0%)

Grade 1 to 5

20(10.1%)

7(7.1%)

Grade 6 to 9

93(47.2%)

43(43.4%)

Grade 10 to 12

73(37.1%)

42(42.4%)

Above grade 12

9(4.6%)

7(7.1%)

Marital status

Single

61(30.6%)

25(25.3%)

Legally married or had wedding

70(35.2%)

38(38.4%)

Living couple without marriage

4(2.0%)

1(1.0%)

Divorced/separated

60(30.2%)

34(34.3%)

Widowed

4(2.0%)

1(1.0%)

Having a medical insurance at RDS

35(17.6%)

17(17.2%)

Having ever been arrested

127(63.8%)

63(63.6%)

Number of years of injection¥

6[2–12]

5[1–9]

Age at first injection

<18 years old

7(3.5%)

0(0.0%)

18–29

95(47.7%)

43(43.4%)

30–39

60(30.2%)

39(39.4%)

>=40 years old

37(18.6%)

17(17.2%)

Number of injections during the last month

90[60–90]

78[60–90]

Use of non-injecting drug in the last 3 months

- heroin

6(3.0%)

5(5.1%)

- ecstasy

4(2.0%)

3(3.0%)

- ketamine

3(1.5%)

0(0%)

- methamphetamine

56(28.1%)

27(27.3%)

Injection with needle/syringe used by some else

7(3.5%)

2(2.0%)

Number of sexual partners in the last 3 months

1[1–4]

1[1–4]

Having at-risk sexual behaviors with the casual partner (no use of condom)

4(2.0%)

1(1.0%)

Men who have sex with men (last 3 months)

19(9.6%)

12(12.1%)

Female commercial sex work (last 3 months)

17(8.5%)

9(9.1%)

HIV-positive serology

 

5(5.1%)

HCV-positive serology

105(52.8%)

 

Detectable HCV viral load among HCV-positive serology

86(82.7%)¥

 

Median HCV viral load (cp/ml)

158,500[27,100–663,000]

 
  1. Data are median (IQR), or %(n). *2 missing values, ¥1 missing value, ‡n = 103; †n = 55. Note that all but 5 of the HCV seronegatives were also HIV seronegative and contributed to both the HIV and HCV incidence analyses.