Table 1. Multivariate comparison of HIV/STI prevalence between 1998 and 2008 among women and men aged 15–49 years, general population of Cotonou, Benin.
Women1 | Men1 | Overall1 | ||||||||||
1998 (N = 1093) | 2008 (N = 1348) | AOR (95%CI) | p-value | 1998 (N = 1019) | 2008 (N = 1159) | AOR (95%CI) | p-value | 1998 (N = 2112) | 2008 (N = 2507) | AOR† (95%CI) | p-value | |
HIV | 35/1013 (3.5) | 50/1239 (4.0) | 1.13 (0.69–1.85) | 0.638 | 31/926 (3.4) | 21/1049 (2.0) | 0.54 (0.29–0.99) | 0.048 | 66/1939 (3.4) | 71/2288 (3.1) | 0.85 (0.56–1.30) | 0.452 |
NG | 9/974 (0.9) | 8/1241 (0.6) | 0.72 (0.24–2.16) | 0.553 | 10/895 (1.1) | 3/1040 (0.3) | 0.26 (0.07–0.97) | 0.046 | 19/1869 (1.0) | 11/2281 (0.5) | 0.48 (0.20–1.17) | 0.108 |
CT | 13/974 (1.3) | 21/1230 (1.7) | 1.28 (0.64–2.56) | 0.477 | 21/895 (2.3) | 23/1040 (2.2) | 0.98 (0.51–1.87) | 0.949 | 34/1869 (1.8) | 44/2270 (1.9) | 1.10 (0.65–1.87) | 0.726 |
TP | 12/960 (1.3) | 4/1202 (0.3) | 0.25 (0.08–0.80) | 0.019 | 16/899 (1.8) | 9/1007 (0.9) | 0.47 (0.20–1.12) | 0.089 | 28/1859 (1.5) | 13/2209 (0.6) | 0.37 (0.19–0.72) | 0.003 |
HSV-2 | 275/932 (29.5) | 397/1195 (33.2) | 1.13 (0.91–1.40) | 0.273 | 103/861 (12.0) | 181/998 (18.1) | 1.57 (1.23–1.99) | 0.0003 | 378/1793 (21.1) | 578/2193 (26.4) | 1.26 (1.06–1.50) | 0.008 |
TV | 30/939 (3.2) | 31/1221 (2.5) | 0.84 (0.51–1.39) | 0.511 | – | – | – | – |
For women, men and overall figures, the first two columns of data are the prevalence figures in 1998 and 2008 respectively. NG, Neisseria gonorrhoeae;
CT, Chlamydia trachomatis;
TP, Treponema pallidum;
HSV-2, Herpes simplex virus-2;
TV, Trichomonas vaginalis;
CI, confidence interval;
AOR, adjusted odds ratio: adjusted for marital status and age (year of survey as a categorical variable (one dummy variable) with 1998 being the reference year);
also adjusted for gender.