Table 2.

HIV prevalence by type of female sex worker in the 2007 RDS survey compared with 2007 routine sentinel surveillance data, Bangkok, Thailand

Type of sex work	2007 RDS survey* N, HIV prevalence (%) (95% CI)	2007 Sentinel surveillance survey N, HIV prevalence (%) (95% CI)
Venue based†	N = 163, 12.5 (6.2–19.9)	N = 556, 2.5 (1.4–4.1)
Non-venue based‡	N = 515, 22.7 (18.2–28.4)	NA§
Total	N = 678, 20.2 (16.4–24.7)	N = 556, 2.5 (1.4–4.1)

FSW = female sex worker; RDS = respondent-driven sampling; RDSAT = RDS Analysis Tool

^*RDSAT-adjusted results

^†Venue based includes both ‘direct’ establishments (where there are rooms on the premises to be used by FSW with clients) and ‘indirect’ establishments (FSW and clients go elsewhere once a transactional agreement is made)

^‡Non-venue based includes public spaces such as streets/intersections, bars, beauty parlours, parks, shopping malls, phone, etc

^§NA = Not available because routine sentinel surveillance surveys not conducted among non-venue-based FSW