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Table 3 Acceptability of HIVST among an RDS sample of MSM. stratified by the report of prior HIV testing in 12 Brazilian cities. 2016

From: Acceptability of HIV self-testing is low among men who have sex with men who have not tested for HIV: a study with respondent-driven sampling in Brazil

Variables No previous HIV test Previous negative HIV result  
Bivariate Multivariate Bivariate Multivariate  
Wt%a Unadj ORb p-value AdjORc p-value Wt%a Unadj ORb p-value AdjORc p-value
Age
 ≥ 25 years 34.2 1.00 0.07    48.3 1.00 0.53   
 < 25 years 48.3 1.79 (0.93–3.45)   51.4 1.13 (0.76–1.66)  
Race
 Black 34.6 1.00 0.30    49.9 1.00 0.09   
 Brown/mixed race 44.5 1.51 (0.83–2.74)   44.0 0.78 (0.45–1.36)  
 White 48.6 1.79 (0.86–3.70)   57.4 1.35 (0.76–2.40)  
Schooling    0.01      < 0.001   
 Primary/Incomplete secondary education 35.5 1.00   1.00   30.1 1.00   1.00  
 Complete secondary/Incomplete undergraduate education 53.1 2.05 (1.16–3.64)   1.74 (1.01–3.01) 0.04 53.7 2.69 (1.70–4.26)   2.17 (1.34–3.51) < 0.001
 Complete undergraduate education 20.4 0.46 (0.11–1.93)   0.86 (0.27–2.76) 0.81 67.4 4.80 (2.58–8.92)   3.39 (1.75–6.56) < 0.001
Socio-economic status groups
 D-E (Low) 32.5 1.00 0.07    27.0 1.00 < 0.001   
 C (Middle) 40.6 1.41 (0.67–2.96)   48.5 2.54 (1.47–4.36)  
 A-B (High) 52.6 2.30 (1.08–4.89)   56.1 3.45 (2.02–5.88)  
Marital status
 Married/living together 43.7 1.00 0.91 55.2 1.00 0.33
 Single/separated/widowed 42.6 0.95 (0.42–2.16)   49.2 0.78 (0.47–1.28)  
Self-report of discrimination during the lifetime
 No 29.3 1.00 < 0.001 1.00   38.8 1.00 0.001
 Yes 54.4 2.87 (1.69–4.87)   2.00 (1.18–3.38) 0.01 54.6 1.89 (1.27–2.82)  
Medical appointment in the last 12 months
 No 33.6 1.00 0.01 1.00   48.6 1.00 0.75   
 Yes 49.9 1.96 (1.12–3.40)   1.74 (1.01–2.99) 0.04 50.7 1.08 (0.64–1.82)  
Took part of any workshop on STI and HIV/AIDS in the last 12 months
 No 39.1 1.00 0.03    53.1 1.00 0.03   
 Yes 58.3 2.17 (1.03–4.57)   41.2 0.61 (0.39–0.96)  
Knowledge about HIV/AIDS (IRT score)d
 Low 38.3 1.00 0.06 1.00   31.7 1.00 < 0.001 1  
 Middle 39.8 1.06 (0.57–1.98)   1.13 (0.66–1.96) 0.64 52.6 2.39 (1.37–4.14)   2.38 (1.44–3.92) < 0.001
 High 59.9 2.41 (1.08–5.37)   2.45 (1.05–5.70) 0.04 61.2 3.39 (1.85–6.24)   2.79 (1.58–4.93) < 0.001
Self-perception of risk
 Low 38.0 1.00 0.67    37.3 1.00 0.11   
 Middle 45.9 1.38 (0.72–2.62)   51.7 1.79 (0.95–3.37)  
 High 42.6 1.21 (0.40–3.64)   56.4 2.17 (0.91–5.15)  
Took part of LGBT NGO
 No 39.5 1.00 0.02 1.00   46.6 1.00 < 0.001 1.00  
 Yes 65.0 2.84 (1.12–7.17)   3.26 (1.29–8.25) 0.01 64.1 2.04 (1.23–3.39)   2.06 (1.28–3.32) 0.003
Condomless receptive anal sex (past 6 months)
 Always used condoms 42.5 1.00 0.96    45.1 1.00 0.01 1.00  
 Irregular use of condoms 42.8 1.01 (0.57–1.76)   56.5 1.58 (1.09–2.28)   1.46 (1.00–2.15) 0.049
  1. a Gile-SS weighted proportion of acceptability
  2. b Unadjusted weighted odds ratio of acceptability with 95% confidence limits
  3. c Adjusted weighted odds ratio of acceptability with 95% confidence limits
  4. d Score obtained through Item Response Theory Analysis