Table 2. Bivariate and multivariate analyses using socio-behavioral characteristics and biological results variables in association with HIV status among 345 female sex workers.
| Characteristic | HIV infection | Bivariate analysis |
Multivariate Analysisμ |
|---|---|---|---|
| Positive [n (%)] | Crude OR [95% IC] | Adjusted OR [95% IC] | |
| Age (years) | |||
| ≤ 19 | 22 (23.91) | 1 | |
| 20–24 | 21 (18.26) | 1.41 [0.72–2.70] * | - |
| 25–29 | 16 (16.49) | 1.59 [0.78–3.27] * | - |
| ≥ 30 | 7 (17.07) | 1.53 [0.59–3.92] * | - |
| Educational level | |||
| Never went to school | 15 (28.85) | 1 | - |
| Secondary/ Higher education | 53 (26.45) | 1.84 [0.94–3.59] * | - |
| Nationality | |||
| Central Africa Republic | 54 (15.65) | 1 | |
| Others | 13 (3.77) | 0.8 0 [0.44–1.60] ** | 3.39 [1.25–9.16] ** |
| Marital statut | |||
| Unmarried | 54 (15.65) | 1 | |
| Married | 13 (3.77) | 1.27 [0.65–2.47] * | - |
| Number Children’s | |||
| More than 3 | 13 (18.60) | 1 | |
| 1–2 | 25 (17.45) | 0.91 [0.4–1.93] * | - |
| 0 | 29 (22.15) | 1.25 [0.60–2.59] * | |
| Age of first sexual intercourse | |||
| 15 years or less | 42 (21.10) | 1 | |
| 16 years or more | 24 (14.00) | 1.95 [1.12–3.39] ** | 2.13 [1.03–4.39] ** |
| Knowledge on HIV/AIDS | |||
| Weak | 12 (47.40) | 1 | |
| Middle | 15 (23.30) | 1.51 [0.62–3.69] * | NS**** |
| Satisfactory | 39 (16.00) | 2.41 [1.12–5.19] ** | |
| Self-assessment of HIV risk in future | |||
| No | 17 (11.00) | 1 | |
| Yes | 49 (25.70) | 0.36 [0.20–0.66] *** | NS |
| Knowledge on HIV serostatus | |||
| No | 51 (28.00) | 1 | |
| Yes | 15 (9.30) | 1.93 [3.75–7.41] *** | NS |
| Sex anal with last client | |||
| Yes | 36 (43.40) | 1 | 1 |
| No | 30 (11.50) | 5.87 [3.16–11.01] *** | 4.31 [2.28–8.33] *** |
| Condom use in last week | |||
| No or rarely | 61 (33.50) | 1 | 1 |
| Always | 5 (3.00) | 15.89 [5.85–46.47] *** | 5.49 [1.89–15.98] *** |
| Sex workers categories | |||
| Professional FSW | - | ||
| Kata | 64 (57.10) | 9.88 [2.92–36.61]*** | - |
| Pupulengue | 48 (42.90) | 1.00 [0.13–5.80]*** | - |
| Nonprofessional FSW | - | ||
| Vendors | 72 (30.90) | 7.22 [2.13–26.69]*** | - |
| Housewives | 54 (23.20) | 2.31 [0.53–10.01]*** | - |
| Civil servants | 41 (17.60) | 1.64 [0.33–8.64]*** | - |
| Students | 66 (28.30) | - | - |
| Duration of prostitutionΩ | |||
| >5 years | 5 (18.50) | 1 | - |
| 2–5 years | 17 (31.50) | 0.49 [0.14–1.70] * | - |
| <2 years | 7 (22.60) | 0.78 [0.18–3.30] * | - |
| Alcohol consumption | |||
| Every day | 51 (34.70) | 1 | 1 |
| No or fold per week | 15 (7.80) | 3.17 [6.22–12.29] *** | 2.69 [1.22–4.96] ** |
| Cannabis consumption | |||
| Every day | 9 (81.10) | 1 | |
| No or fold per week | 57 (17.00) | 4.19 [21.82–151.01] *** | NS |
| Others drugs£ consumption | |||
| Every day | 22 (45.80) | 1 | |
| No or fold per week | 44 14.80) | 2.44 [4.76–9.81] *** | NS |
| Past history of STIs | |||
| Yes | 39 (41.00) | 1 | 1 |
| No | 27 (10.80) | 3.09 [5.88–10.59] *** | 2.46 [1.22–4.96] ** |
| HBs Ag detection | |||
| Positive | 33 (3.40) | 1 | |
| Negative | 34 (12.62) | 5.32 [2.78–9.77] *** | NS |
| HSV-2 | |||
| Positive | 15 (36.57) | 1 | |
| Negative | 51 (16.78) | 2.83 [1.32–6.03] *** | NS |
| Bacterial vaginosis | |||
| Positive | 61(29.80) | 1 | 1 |
| Negative | 6 (4.29) | 9.53 [3.81–25.04] *** | 6.36 [2.30–17.72] *** |
μ There was no missing data in multivariate logistic regression analysis.
* > .05 by Chi-2 test
** < .05 by Chi-2 test
*** < .001 by Chi-2 test
**** NS = Not significant, i.e. > .05 by Chi-2 test
Ω Non attributable for nonprofessional female sex workers (n = 112)
£ Tramadol is an opioid pain medication used to treat moderate to moderately severe pain.
HBs Ag: HBs antigen of hepatitis B virus; HSV: Herpes simplex virus; CI: Confidence interval; OR: Odds ratio; STIs: Sexually transmitted infections