Distribution of demographic, sexual behaviour and genital tract infection characteristics in HIV-1-uninfected CSWs, HIV-1-infected CSWs, and HIV-1-uninfected non-CSW women.

CSW, commercial sex worker; HIV-1, human immunodeficiency virus type 1; N: number of participants; NA: non applicable; NG/CT: Neisseria gonorrhoeae/Chlamydia trachomatis, NS: nonsignificant; SD, standard deviation.
aP-values for the comparison across all groups were calculated with one-way ANOVA analysis of variance for the age and days since last menses; Mann-Whitney U test for the duration of sex work and average number of clients; Chi-square test for vaginal douching, condom use, bacterial vaginosis, candidiasis, and NG/CT infections.
bP = 0.125 for the comparison between HIV-1-uninfected CSWs and HIV-1-infected CSWs, P = 0.105 for the comparison between HIV-1-uninfected CSWs and HIV-1-uninfected non-CSWs, and P = 0.003 for the comparison between HIV-1-infected CSWs and HIV-1-uninfected non-CSWs as determined by Chi-square test.
cP = 0.987 for the comparison between HIV-1-uninfected CSWs and HIV-1-infected CSWs, P = 0.027 for the comparison between HIV-1-uninfected CSWs and HIV-1-uninfected non-CSWs, and P = 0.022 for the comparison between HIV-1-infected CSWs and HIV-1-uninfected non-CSWs as determined by Fisher exact test.