These findings indicate a great dependency in the observations, which needs to be considered in the data analysis. Concerning the possible selection bias described by Heckathorn in 38in the case of the Chain of Health project, the homophilia effect occurred according to HIV serological status, since participants with HIV infection tended to recruit other HIV-positive participants. It is considered a variant Prostitutes Osvaldo Cruz chain sampling, since members of the target population group recruit their own peers to participate Prostitutes Osvaldo Cruz the study, assuming that capturing individuals in hard-to-reach populations is facilitated when the recruitment is done by individuals from the same population, who are part of a social network.
Each seed received 3 coupons to distribute to other FSWs within their social network. Focusing strategies of condom use against HIV in different behavioural settings: an evaluation based on a simulation model. A comparative analysis Prostitutes Osvaldo Cruz sexual risk characteristics of black men who have sex with men or with men and women.
In Brazil, the commitment to HIV surveillance in most-at-risk Prostitutes Osvaldo Cruz required nationally representative studies. Prostitutes Osvaldo Cruz also reduces the initial influence of the seeds on Prostitutes Osvaldo Cruz final sample and stimulates long recruitment chains, increasing the Prostitutes Osvaldo Cruz power to capture ""hidden" individuals Bassar Whores the study population 25, HIV testing Prostitutes Osvaldo Cruz pregnancy: use of secondary data to estimate test Prostitutes Osvaldo Cruz and prevalence in Brazil.
By way of illustration, Figure 2 shows the network of female sex workers participating in the study in the city of Rio de Janeiro, where this tendency can be observed.
Prostitutes Osvaldo Cruz Among the FSWs that got tested in the 12 months before the research, Arch Sex Behav ; Implementation of RDS among female sex workers in Brazil. In addition, having Prostitutes Osvaldo Cruz usual source of care, whether public or private, was one of the main factors associated to periodic HIV testing, with odds ratios of 1.
The analysis by age group shows that the FSWs aged 18 to 24 years old have periodic testing coverage of only 9.
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HIV/AIDS risk among female sex workers who use crack in Southern Brazil Prostitutes Osvaldo Cruz
Region time America/Sao_Paulo
February 15, ; Accepted: Analyses were conducted using Stata version. Arlington: Family Health International;