Table 2.
Association between demographics and behavioural factors with HIV status and STIs among sex workers in Johannesburg and Pretoria
| HIV POSITIVE | PREVIOUS STI | |||||||
|---|---|---|---|---|---|---|---|---|
|
N = 1422 JHB N = 408 PTA |
JHB N (%) |
Multivariate analysis AOR (95% CI) |
PTA N (%) |
Multivariate analysis AOR (95% CI) |
JHB N (%) |
Multivariate analysis AOR (95% CI) |
PTA N (%) |
Multivariate analysis OR (95% CI) |
| SOCIO DEMOGRAPHICS | ||||||||
| Age at 1st visit (years) | ||||||||
| <25 25–29 30–34 >35 |
77 (23.8)*** 206 (41.6) 182 (51.1) 110 (58.2) |
1.0 1.0 (0.8–1.2) 1.6 (1.3–2.1) 2.1 (1.5–2.9) |
9 (22.0)*** 36 (40.5) 73 (57.9) 90 (64.8) |
1.0 0.5 (0.3–0.9) 1.4 (0.9–2.1) 2.1 (1.4–3.4) |
167 (49.1) 228 (44.1) 159 (43.1) 76 (38.8) |
5 (11.6) 4 (4.4) 14 (10.9) 8 (5.7) |
1.0 0.30 (0.1–1.3) 0.58 (0.2–1.9) 0.32 (0.1–1.1) |
|
| Education | ||||||||
| Primary Grade 8–10 Grade 11–12 Tertiary level |
27 (61.4)** 214 (45.6) 308 (39.6) 21 (31.8) |
1.0 1.3 (1.0–1.6) 0.8 (0.6–1.0) 0.6 (0.5–1.1) |
37 (62.7)* 98 (56.0) 68 (46.9) 7 (36.8) |
1.0 1.3 (0.8–1.9) 0.7 (0.5–1.1) 0.5 (0.2–1.4) |
16 (34.8)** 198 (40.4) 384 (47.5) 27 (38.6) |
1.0 0.8 (0.6–1.0) 1.4 (1.1–1.7) 0.8 (0.5–1.3) |
4 (6.7)** 24 (13.3) 5 (3.4) 1 (5.3) |
1.0 1.3 (0.4–5.3) 0.4 (0.1–1.6) 0.2 (0.0–3.2) |
| Main partner | ||||||||
| No Yes |
298 (42.9) 277 (41.5) |
103 (57.22) 107 (49.3) |
340 (46.6)* 290 (41.9) |
1.0 0.8 (0.7–1.0) |
12 (6.5) 22 (10.0) |
|||
| Child lives with sex worker | ||||||||
| 0 ≥1 |
160 (53.2) 51 (52.0) |
160 (53.2) 51 (52.0) |
27 (8.8) 6 (5.9) |
|||||
| Adult dependents | ||||||||
| 0 1–2 ≥3 |
71 (42.3) 321 (43.6) 173 (39.7) |
18 (46.2) 112 (55.5) 77 (51.0) |
91 (50.8)* 319 (41.8) 211 (46.3) |
1.0 0.8 (0.6–1.0) 1.1 (0.9–1.4) |
5 (12.8) 14 (6.7) 15 (9.8) |
|||
| Country of birth | ||||||||
| South Africa Zimbabwe Other |
286 (48.6) *** 210 (35.4) 79 (43.7) |
1.0 0.6 (0.5–0.8) 1.1 (0.8–1.5) |
123 (53.7) 80 (50.6) 8 (66.7) |
252 (41.3) 288 (46.4) 90 (47.1) |
12 (5.1)*** 18 (11.1) 4 (33.3) |
1.0 1.4 (0.53–3.9) 7.8 (1.6–37.1) |
||
| BEHAVIOURS | ||||||||
| Alcohol use | ||||||||
| No Yes |
125 (38.9) 406 (43.1) |
84 (50.6) 117 (53.7) |
157 (46.6) 428 (43.8) |
14 (8.3) 18 (8.1) |
||||
| Marijuana use | ||||||||
| No Yes |
498 (42.4) 33 (37.1) |
181 (51.1) 20 (66.7) |
542 (44.4) 43 (46.7) |
27 (7.5) 5 (15.6) |
||||
| Years in sex work | ||||||||
| <2 2–5 >5 |
180 (38.0)*** 125 (41.8) 76 (60.8) |
1.0 1.0 (0.7–1.3) 2.4 (1.6–3.6) |
158 (53.9) 33 (48.5) 20 (52.6) |
243 (49.0) 134 (43.1) 56 (42.4) |
20 (6.7)** 11 (15.5) 2 (5.3) |
1.0 2.0 (0.7–5.4) 0.7 (0.1–3.7) |
||
| Sex encounters last 7 days | ||||||||
| 0–10 11–20 >20 |
220 (45.1)** 188 (42.9) 122 (36.3) |
1.0 1.1 (0.8–1.3) 0.7 (0.6–0.9) |
21 (53.9) 38 (53.3) 57 (54.8) |
223 (43.3)* 220 (48.7) 140 (40.7) |
1.0 1.1 (0.9–1.4) 0.8 (0.6–1.0) |
2 (4.9) 6 (8.3) 12 (11.4) |
||
| Main partner condom use | ||||||||
| Every time Never or sometimes No main partner |
91 (47.6)** 122 (35.7) 362 (43.6) |
1.0 1.3 (1.0–1.8) 0.7 (0.6–1.0) |
37 (66.1)** 65 (43.3) 109 (56.5) |
1.0 0.5 (0.25–1.02) 0.8 (0.43–1.66) |
92 (45.8) 152 (43.3) 386 (44.4) |
14 (9.3) 5 (8.6) 15 (7.5) |
||
| Client condom use | ||||||||
| Every time Never or sometimes |
522 (42.0) 6 (54.6) |
188 (53.1) 9 (40.9) |
578 (44.8)** 1 (7.7) |
1.0 0.1 (0.0–0.7) |
29 (8.1) 3 (13.0) |
|||
| Times moved in last year | ||||||||
| 0 1 >1 |
284 (40.7) 180 (45.6) 111 (41.1) |
167 (50.8) 38 (61.3) 6 (75.0) |
328 (45.0)** 186 (44.8) 116 (41.7) |
1.0 1.0 (0.8–1.3) 0.9 (0.7–1.2) |
24 (7.1)* 8 (12.5) 2 (25.0) |
1.0 1.67 (0.66–4.23) 5.0 (0.77–33.12) |
||
| Site received services | ||||||||
| Hotel Clinic Mobile van |
425 (39.2)** 36 (49.3) 66 (55.0) |
1.0 1.4 (0.9–2.3) 1.8 (1.2–2.7) |
172 (53.3) 1 (100.0) 38 (50.7) |
511 (45.3) 27 (36.0) 55 (44.3) |
27 (8.2) 0 (0.0) 7 (9.1) |
|||
***P < 0.001 **P < 0.05 *P = 0.05–0.1
Statistical tests compare distribution of outcomes in each site, does not compare sites.
AOR Adjusted odds ratio
STI Sexually Transmitted Infection