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Table 1 Characteristics of participants at pre-test who completed all study visits (n = 281)

From: Effects of a short individually tailored counselling session for HIV prevention in gay and bisexual men receiving Hepatitis B vaccination

  Total (n = 281) Experimental group
(n = 158)
Control group (n = 123) Difference between study conditions
  No. % No. % No. % χ2 p
Education1         
   Low 93 33.1 59 37.3 34 27.6   
   High 187 66.5 98 62.0 89 72.4 3.07 0.08
Ethnicity         
   non-Dutch 27 9.6 21 13.3 6 4.9   
   Dutch 249 88.6 134 84.8 115 93.5 5.68 0.02
Sexual orientation         
   men only 259 92.2 146 92.4 113 91.9   
   men and women 12 4.3 7 4.4 5 4.1 0.02 0.89
Ever tested for STI2 104 37.0 62 39.2 42 34.1 0.83 0.36
Tested positive for STI2 22 21.2 10 16.1 12 30.8 2.72 0.10
Tested for HIV 175 62.3 97 61.4 78 63.4 0.19 0.66
Tested HIV positive 6 3.4 3 3.1 3 3.8 0.08 0.96
Relationship status2        3.46 0.33
   no partners 21 7.5 13 8.2 8 6.5   
   steady partner 36 12.8 22 13.9 14 11.4   
   steady partner and casual partners 91 32.4 44 27.8 47 38.2   
   casual partners 133 47.3 79 50 54 43.9   
Anal sex with steady partner 91/127 71.7 47/66 71.2 44/61 72.1 0.01 0.92
Anal sex with casual partner 224/224 100 123/123 100 101/101 100 0.78 0.38
Unprotected Anal Intercourse (UAI)2         
   with steady partner3 71/91 78.0 38/47 80.9 33/44 75.0 0.51 0.78
   with steady partner (mutual HIV negative serostatus4) 39/91 42.9 19/47 40.4 20/44 45.5 1.04 0.31
   with casual partners5 41/224 18.3 24/123 19.5 17/101 16.8 0.27 0.61
  Mean SD Mean SD Mean SD t p
Age 36.6 (11.04) 36.2 (11.25) 37.0 (10.8) -0.55 0.58
Number of partners2,6 4.9 (5.84) 4.8 (6.0) 5.1 (5.64) -0.36 0.72
  1. 1 Low: elementary school, vocational school or lower-level high school; high: university, college, or higher- level high school
  2. 2 in past six months
  3. 3 percentage of respondents who had anal sex with steady partner
  4. 4 and agreements about safe sex outside the relationship
  5. 5 percentage of respondents who had anal sex with casual partner
  6. 6 16 respondents in the experimental group and 7 respondents in the control group had casual partners but did not report number of casual partners.