Regional estimates of duration of risk behaviour for FSW by the method of calculation
| Region | Duration of risk behaviour for female sex workers | ||
|---|---|---|---|
| First method of calculation: based on time from beginning of sex work until death or cessation | Second method of calculation: based on percentage of FSW who started selling sex in the last year | Third method of calculation: based on the median/mean time spent in sex work up to the moment of the study* | |
| Africa | NA | 5.5 (4)† | 5.5 (43) |
| Asia | NA | 2.9 (12)† | 2.8–4.0 (31) |
| Australia/Oceania | NA | NA | NA |
| North America (studies conducted in the USA) | NA | NA | 10.2–11.0 (3)† |
| Europe | NA | NA | 8.4–10.0 (10)† |
| Latin America (studies conducted in Mexico, Brazil and Peru) | NA | NA | 11.2–12.0 (6)† |
(1) In parenthesis, number of datasets used for calculation.
*Considering the median equals mean (primarily the median and, in its absence, the mean).
†Best estimate for the population.
NA, not available.