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. Author manuscript; available in PMC: 2018 Feb 1.
Published in final edited form as: Addiction. 2016 Nov 14;112(2):290–298. doi: 10.1111/add.13601

Table 3.

Comparison of sexual risk behaviors across time periods (2005-2010 vs. 2011-2014) and by year

2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2005-2010 2011-2014
HIV− (N) 269 326 322 309 278 230 251 271 290 315 1734 1127
% % % % % % % % % % % %
Unsafe sex w/ primary partner# 54.7 44.2 46.0 44.3 42.8 43.0 43.8 46.9 41.7 43.2 45.8 43.8
Unsafe sex w/ casual partner 13.8 17.2 19.4 19.2 19.8 20.0 23.2 13.7 18.5 13.0 18.2 16.8
Multiple sex partners#* 39.0 36.7 38.5 37.4 38.1 37.8 28.7 23.9 29.7 21.8 37.9 25.9
HIV+ (N) 44 76 54 64 43 41 29 28 15 22 322 94
% % % % % % % % % % % %
Unsafe sex w/ primary partner 22.7 23.7 18.5 15.6 27.9 17.1 17.2 21.4 6.7 31.8 20.8 20.2
Unsafe sex w/ casual partner 5.0 7.9 13.5 9.4 9.3 9.8 3.5 7.1 0.0 5.0 9.0 4.3
Multiple sex partners 17.8 23.4 26.8 23.1 27.9 24.4 17.2 10.7 26.7 27.3 23.9 19.2
#

Significant difference by Cuzick's test for trend (p <0.05) across years

*

Significant difference by chi-square test (p <0.05) across the 2005-2010 and 2011-2014 time periods