Table 1.
Characteristics of study participants at enrolment: Socio-demographic characteristics of HIV-positive partners and their seronegative partners.
| All enrolled couples with HIV-positive partner starting ART (N = 134) |
Couples with HIV-positive partners having VL measured at all three time points (N = 89) |
|||
|---|---|---|---|---|
| HIV-positive partners | Negative partners | HIV-positive partners | Negative partners | |
| Individuals | ||||
| Male, number (%) | 115 (85.8) | 19 (14.2) | 75 (84.3) | 14 (15.7) |
| Age, in years | ||||
| Median (IQR) | 32 (27–36) | 31 (27–37) | 33 (27–38) | 32 (28–38) |
| Categorized, number (%) 18–24 | 14 (10.4) | 20 (14.9) | 6 (6.7) | 11 (12.4) |
| 25–34 | 76 (56.7) | 69 (51.5) | 52 (58.4) | 47 (52.8) |
| 35–44 | 34 (25.4) | 39 (29.1) | 22 (24.7) | 26 (29.2) |
| ≥ 45 | 10 (7.5) | 6 (4.5) | 9 (10.1) | 5 (5.6) |
| Education, number (%) | ||||
| Illiterate | 20 (14.9) | 36 (26.9) | 16 (18.0) | 26 (29.2) |
| Primary school (1–5) | 35 (26.1) | 37 (27.6) | 22 (24.7) | 26 (29.2) |
| Secondary school (6–9) | 51 (38.1) | 34 (25.4) | 33 (37.1) | 20 (22.5) |
| High school (10–12) | 25 (18.7) | 21 (15.7) | 16 (18.0) | 12 (13.5) |
| College/University | 3 (2.2) | 6 (4.5) | 2 (2.2) | 5 (5.6) |
| Occupation, number (%) | ||||
| Farmer | 76 (56.7) | 85 (63.4) | 53 (59.6) | 57 (64.0) |
| Government official | 2 (1.5) | 7 (5.2) | 0 (0.0) | 6 (6.7) |
| Business | 10 (7.5) | 16 (11.9) | 5 (5.6) | 9 (10.1) |
| Unemployed | 8 (6.0) | 3 (2.2) | 2 (2.2) | 1 (1.1) |
| Others | 38 (28.4) | 23 (17.2) | 29 (32.6) | 16 (18.0) |
| Monthly income, in million Vietnam Dong | ||||
| Mean | 1.9 | 1.8 | 1.9 | 1.8 |
| Median | 1.0 | 1.0 | 1.2 | 1.1 |
| Self-reported risk behaviour and substance use, number (%) | ||||
| Ever using drugs | 76 (56.7) | 2 (1.5) | 50 (56.2) | 1 (1.1) |
| Heavy alcohol use in the past month | 90 (67.2) | 33 (24.6) | 61 (68.5) | 22 (24.7) |
| Unprotected sex within the couple in the past three months | 29 (26.4) | 29 (26.9) | 17 (23.3) | 17 (23.0) |
| Sex with external partner in the past three months | 2 (1.5) | 5 (4.0) | 2 (2.2) | 3 (3.3) |
| Service use, number (%) | ||||
| Methadone maintenance therapy | 9 (6.7) | 0 (0.0) | 7 (7.9) | 0 (0.0) |
| Needle syringe programme | 7 (5.2) | 0 (0.0) | 4 (4.5) | 0 (0.0) |
| Couples | ||||
| Median distance to the clinic, in km (IQR) | 7 (3–15) | 7 (2–14) | ||
| Marital status (% married) | 116 (86.6) | 78 (87.6) | ||
ART: antiretroviral therapy; IQR: interquartile range; VL: viral load.