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Table 3 Prevalence of diagnosed and undiagnosed HIV infection, and proportion (95% confidence interval) of HIV infections diagnosed, by recruitment site and demographic characteristics

From: Actual and undiagnosed HIV prevalence in a community sample of men who have sex with men in Auckland, New Zealand

  Total Diagnosed HIV Undiagnosed Proportion
   n (%) HIV n (%) diagnosed % (95% CI)
Recruitment site     
Fair day 816 39 (4.8) 9 (1.1) 81 (67-91)
Gay bar 87 4 (4.6) 0 (0.0) 100 (40-100)
Sex-on-site venue 143 10 (7.0) 5 (3.5) 67 (38-88)
Age group     
16-29 366 7 (1.9) 5 (1.4) 58 (28-85)
30-44 361 22 (6.1) 4 (1.1) 85 (65-96)
45+ 304 23 (7.6) 4 (1.3) 85 (66-96)
Ethnicity     
European 749 44 (5.9) 5 (0.7) 90 (78-97)
Maori 110 4 (3.6) 3 (2.7) 57 (18-90)
Pacific Island 29 1 (3.5) 2 (6.9) 33 (1-91)
Asian 107 0 (0.0) 3 (2.8) 0 (0-71)
Other 36 3 (8.3) 0 (0.0) 100 (29-100)
Sexual identity     
Gay 905 51 (5.6) 12 (1.3) 81 (69-90)
Bisexual or other 136 2 (1.9) 2 (1.9) 50 (7-93)
Highest education     
Less than tertiary degree 542 34 (6.3) 3 (0.6) 92 (78-98)
Tertiary degree or higher 480 17 (3.5) 9 (1.9) 65 (44-83)
Residence     
Auckland 831 38 (4.6) 11 (1.3) 78 (63-88)
Other New Zealand 125 6 (4.8) 0 (0.0) 100 (54-100)
Overseas 73 8 (11.0) 2 (2.7) 0 (44-97)
Total 1046 53 (5.1) 14 (1.3) 79.1
  1. CI confidence interval
  2. Table omits data on respondents with missing information