Table 5 Summary of different profiles of HIV exposure in the population sample (n = 584)
| Profile 1, high multiple risks | Profile 2, high sexual risks | Profile 3, moderate risks | Profile 4, low risks | |
|---|---|---|---|---|
| N (%) | 130 (22%) | 208 (36%) | 72 (12%) | 174 (30%) |
| HIV exposure profile | Sexual- and drug use-related risk behaviors This group include most of those engaged in sharing needles, both receptive (9/11) and distributive (10/11) of the entire sample 74% with inconsistent condom use HIV rate, 16% | Sexual risk behaviors Few of the YPUD with receptive (2/11) and distributive syringe sharing (1/11) of the entire sample 65% with inconsistent condom use HIV rate, 6% | Sexual risk behaviors 64% with inconsistent condom use Never injected drugs. HIV rate, 3% | No risk identified 96% never injected 91% never had sex and none reporting inconsistent condom use HIV rate (1%) (Only one YPUD found positive) |
| Population characteristics | Female, 51% Median age, 23 (21.0, 24.0) HCMC, 63.4% Unstable housing and residential registration document often missing | All transgender and most of the people who have sex with someone of the same sex Median age, 22 (20.0, 23.0) Haiphong, 46.3% More often living alone | Male, 87% Median age, 20 (18.0, 21.0) Living mostly with their family | Male, 88% Median age, 17 (16.0, 19.0) Living mostly with their family |
| Drug use behaviors | Frequent experience of heroin and methamphetamines Most frequent current drug use | Nearly all have a history of methamphetamines use and most of cannabis, ecstasy, and ketamine use many reporting current regular use of methamphetamines and alcohol | Limited experience of methamphetamines Low level of current drug use | Experienced drugs at a younger age, mainly cannabis but also methamphetamines (67%) Lowest level of current drug use |
| Sexual behaviors | Inconsistent condom use mainly with their own regular partner | Multiple sexual partners, group sex, frequent drug use during sexual intercourse, More often paid for sex, were paid for sex, forced to have sex with someone | Those sexually active have most often a regular/unique partner | |
| Other | Many of them orphaned Experience of treatment for drug use and HIV test in the past | Parents less often living together More often regular income More often depressed Have a higher median score of psychotic experience | Poorest knowledge on HCV transmission | Higher median score of psychotic experience |