Skip to main content

Advertisement

Table 2 Characteristics of selected studies and AIDS prevalence among men who have sex with men from Brazil, 1998-2009.

From: HIV prevalence among female sex workers, drug users and men who have sex with men in Brazil: A Systematic Review and Meta-analysis

     Characteristics of Study Population Sexual behavior and HIV infection
Source N State Design (Period) Age Ethnicity (%) Condom use (%) HIV prevalence Variables associated with prevalent HIV
Tun et al. [49] 658 Campinas Cross-sectional (2006) Median: 23 NA Unprotected sex Overall sample: 7% (5-11%) NA
       MSM engaged in sex work:   
          Insertive anal sex: 21.0% MSM engaged in sex work: 14%  
          Receptive anal sex: 22.0%   
          Vaginal sex: 23.0%   
       MSM not engaged in sex work: MSM not engaged in sex work: 6%  
          Insertive anal sex: 5.0%   
          Receptive anal sex: 5.0% Participants between 14-19 years: 4%  
          Vaginal sex: 6.0%   
       Unprotected receptive anal sex with at least one partner: 30% (CI: 26-35%)   
       Unprotected receptive anal sex with ≥ 2 partners: 7% (4-10%)   
       Unprotected anal/vaginal sex with female, previous 2 months: 75% (37-91%)   
Ferreira et al. [50] 1872 Brazil Cross-sectional (2000-01) 28 ± 8.2 Non white: 51.1% Always use condom: 36.4% 51.9% NA
Szwarcwald et al.[51] 8983 Brazil Cross-sectional (2002) 17-20 years: 94.0% NA Always use condom: 34.1% 0.564 (0.278-0.850) NA
Schechter et al. [52] 200 Rio de Janeiro Prospective cohort (1998-2001) 28 White: 47.0% Unprotected anal sex, previous 6 months: NA5 NA
      Black: 21.0% PEP5 : 47.1%   
      Mulatto: 7.0% Non-PEP: 36.4%   
      Others: 26.0%    
Barcellos et al. [53] 4616 Porto Alegre Cross-sectional (1996) NA NA NA 24.1% NA
Carneiro et al. [54] 621 Belo Horizonte Cross-sectional (1994-1999) Mean: 28 NA NA 9.8% Unprotected sex w/occasional partner: AOR7 : = 3.7 (: 1.1 -11.9)
Receptive anal sex w/occasional partner: AOR = 2.8 (0.9- 8.9)
Black vs. Non-black:
AOR = 3.4 (1.3-10.6)
Sutmöller et al.[55] 1165 Rio de Janeiro Prospective cohort8 (1994-1998) Range: 18-50 NA NA 24.1% NA
Carneiro et al. [56] 470 Belo Horizonte Cross-sectional (1994-1999) 26.9 ± 6.8 Mulatto: 51.8%
White: 40.9%
Black: 7.3%
Unprotected anal sex with occasional partner: 41.3%9 NA NA
Brazilian Ministry of Health [57] 642 São Paulo Cross-sectional (1994-1999) 28 NA Stable partner 8.8% NA
       Receptive anal sex: 33.9%   
       Insertive anal sex: 36.0%   
       Occasional partner   
       Receptive anal sex: 13.7%   
       Insertive anal sex: 15.3%   
Harrison et al. [58] 849 Rio de Janeiro Prospective cohort10 (1995-97) HIV+: 28.8 HIV+: 63.6% Unprotected receptive anal sex: 11.7% Penile or anal lesion (p < 0.01)
     HIV-: 28.2 HIV-: 50.7 HIV+: 59.6%   Hepatitis B seropositivity (p < 0.01)
       HIV-: 43.6%   
       Unprotected insertive anal sex:   History of syphilis (p < 0.01)
       HIV+: 34.3%   
       HIV-: 30.8%   
  1. 2 All MSM and injection drug users (IDU)
  2. 3 MSM sample size among 30,970 military conscripts
  3. 4 PEP: Post-sexual Exposure Prophylaxis
  4. 5 Only incidence rates are available
  5. 6 Homo and bisexuals included
  6. 7 AOR: Adjusted Odds Ratio
  7. 8 Baseline data
  8. 9 Among 265 participants reporting anal sex
  9. 10 Baseline data