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Table 5 UAI with casual partners.

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

  Experimental group Control group
behaviour at
pre-test
n Mean SD n Mean SD
unsafe 23 -0,78 1,20 17 0,06** 1,39
safe 132 0,04 0,26 104 0,01 0,09
Total 155 -0.08 0,59 121 0,00*** 0,52
  1. Means and standard deviations (SD) for Unprotected Anal Intercourse (UAI)-change score (t2 – t0) for insertive and receptive anal sex by study condition, steady relationship(SR)-status change (yes vs no) and sexual behaviour at pretest (safe vs unsafe)1.
  2. 1 ANCOVA adjusted for ethnic background (Dutch vs non-Dutch) and educational level (low level:
  3. elementary school, vocational school or lower-level high school; high level: university, college,
  4. or higher- level high school).
  5. * significant difference between experimental group and control group, P < 0.05
  6. ** significant difference between experimental group and control group, P < 0.01