Risk & Risk Reduction Strategies among MSM 1

2

Risk & Risk Reduction Strategies among MSM 3

Onbeschermd anale seks onder hiv-negatieve MSM, ACS 1984-2012

0,0

10,0

20,0

30,0

40,0

50,0

60,0

70,0

80,0

90,0

1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012

UAI MSM met lp en of vp

UAI met vaste partners

UAI met losse partners

UAI met losse partners t.o.v. hele groep

UAI met vaste partners t.ov. Hele groep

4

HIV Incidence MSM, ACS ’84-’12

1,95/100py (2010) 1,20/100py (2011) 2012 – only 2 confirmed & 2 ‘borderline’

(incidence < 1)

1,92/100py (2010) 1,06/100py (2011) ,062/100py (2012)

0

1

2

3

4

5

6

7

8

1985 1987 1989 1991 1993 1995 1997 1999 2001 2003 2005 2007 2009 2011

inci

denc

e pe

r 100

per

son

year

s

Risk & Risk Reduction Strategies among MSM 5

6

10% freq experience loss of erection due to condom use with casual partners

Loss of erection was significantly associated with condomless sex

When the outcome variable was stratified to planned versus spontaneous or incidental condomless sex, erection loss was only predictive of planned condomless sex

Longitudinal mediation analysis showed that intentions mediated erection effect on condomless sex