Table 1

Prevalence of STIs and RTIs (reproductive tract infections) among women in sub-Saharan Africa in the 1980s and 1990s

STI/RTIHigh risk populationsLow risk populationsLow risk WHO estimates 1995
1980s1990s1980s1990s
Median (%)Range (%)Median (%)Range (%)Median (%)Range (%)Median (%)Range (%)Mean (%)
NS = not studied.
Reproduced from: Mayaud72 (with permission).
Sources 1980s: Wasserheit, Holmes.73
Sources 1990s: Mayaud.72
Includes the following references: high risk groups: three studies among STI clinic attenders in Benin, Malawi, and Tanzania, with numbers ranging from 192 to 560; and three studies among female sex workers in Cote d’Ivoire, Senegal, and the Democratic Republic of Congo (ex-Zaire), with populations ranging from 374 to 1222; low risk groups: five studies among ANC attenders in Cote d’Ivoire, Gabon, Kenya, Mozambique, Tanzania, and the Democratic Republic of Congo (ex-Zaire), with populations ranging from 201 to 1160; and four studies among family planning attenders in Kenya, Tanzania (two), and South Africa.
Many of the studies can be found in Mindel et al.74
Source WHO 1995: Gerbase et al.75
Chlamydia142–2582–1381–2974–187.1
Gonorrhoea247–66166–3160.3–402.31.6–92.8
Trichomoniasis174–202811–46123–501810–2714.1
Syphilis154–3282–2980.01–334.41–293.9
CandidiasisNSNS3328–38NSNS277.5–39NS
Bacterial vaginosisNSNSNSNSNSNS2215–35NS