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Table 3 Factors associated with HIV-related knowledge (n = 2002)

From: What do patients consulting in a free sexual health center know about HIV transmission and post-exposure prophylaxis?

  Lack of knowledge of HIV transmission routes False beliefs on HIV transmission
Univariate analysis Multivariate analysisa Univariate analysis Multivariate analysisa
n/N % OR 95% CI p aOR 95% CI p n / N % OR 95% CI p aOR 95% CI p
Age (years)      0.910         < 0.001    < 0.001
 18–24 27 / 716 3.8 1.01 0.52–1.95   296 / 716 41.3 2.55 1.91–3.40   1.93 1.40–2.65  
 25–34 31 / 912 3.4 0.90 0.48–1.72   352 / 912 38.6 2.27 1.72–3.00   2.08 1.56–2.78  
 35–54 14 / 374 3.4 ref    81 / 374 21.7 ref    ref   
French nationality      0.001    0.019      0.677
 Yes 54 /1752 3.1 ref    ref    635 / 1752 36.2 ref   
 No 18 / 250 7.2 2.44 1.40–4.23   2.06 1.13–3.76   94 / 250 37.6 1.06 0.81–1.39  
Activity Status      0.741         0.015    
 Employed 36 /1052 3.4 ref    352 / 1052 33.5 ref   
 Student/training 24 / 677 3.6 1.04 0.61–1.76   269 / 677 39.7 1.31 1.07–1.60  
 Unemployed 12 / 273 4.4 1.30 0.67–2.53   108 / 273 39.6 1.30 0.99–1.71  
Educational level      < 0.001    < 0.001      < 0.001    < 0.001
  < High school diploma 23 / 161 14.3 8.38 4.68–15.02   6.58 3.59–12.06   83 / 161 51.6 2.18 1.57–3.03   2.03 1.44–2.86  
 High school diploma 22 / 456 4.8 2.55 1.44–4.52   1.94 1.07–3.52   192 / 456 42.1 1.49 1.20–1.85   1.30 1.02–1.65  
  > High school diploma 27 /1385 2.0 ref    ref    454 / 1385 32.8 ref    ref   
Health insurance coverage      < 0.001    0.002      0.008    0.110
 Yes 52 /1822 2.9 ref    ref    647 /1822 35.5 ref    ref   
 No 20 / 180 11.1 4.25 2.48–7.3   2.53 1.39–4.59   82 / 180 45.6 1.52 1.12–2.07   1.30 0.94–1.79  
Sexual orientation      0.405      < 0.001    0.006
 Men who have sex with men 12 / 422 2.8 ref    112 / 422 26.5 ref    ref   
 Men who have sex exclusively with women 34 / 892 3.8 1.35 0.69–2.64   368 / 892 41.3 1.94 1.51–2.51   1.55 1.19–2.03  
 Women who have sex exclusively with men 20 / 594 3.4 1.19 0.57–2.46   215 / 594 36.2 1.57 1.19–2.06   1.19 0.89–1.60  
 Women who have sex with women 6 / 94 6.4 2.32 0.85–6.37   34 / 94 36.2 1.57 0.98–2.52   1.12 0.69–1.83  
Previous HIV testing      < 0.001    0.002      < 0.001    0.002
 No 32 / 443 7.2 3.00 1.78–5.08   2.44 1.40–4.26   204 / 443 46.0 2.01 1.60–2.52   1.52 1.18–1.97  
 Yes, one 13 / 490 2.7 1.05 0.54–2.06   0.92 0.46–1.83   206 / 490 42.0 1.70 1.37–2.13   1.40 1.11–1.78  
 Yes, several 27 /1069 2.5 ref    ref    319 / 1069 29.8 ref    ref   
At least one act of unprotected sexual intercourse with unknown HIV status partner      0.482      0.013    0.110
 Yes 19 / 603 3.2 0.83 0.49–1.41   244 / 603 40.5 1.28 1.05–1.56   1.18 0.96–1.45  
 No 53 /1399 3.8 ref    485 / 1399 34.7 ref    ref   
  1. Notes: ref reference category; aThe choice of the final multivariate model was based on the result of a stepwise backward selection with a 0.2 significance level for removal from the model