Table 2.

Trends for sexual risk, drug use, service access and HIV prevalence among MSM, HCMC, Vietnam, 2006, 2009, and 2013.

Variable	Annual % change	P value for equal proportions^	P value for increasing or decreasing trend^^
Always used condom with any male partner in past month	−2.7	0.270	0.100
Ever used drugs	−0.1	0.980	0.650
Ever injected drugs	0.0	0.990	0.610
Ever tested for HIV and received results	0.8	0.001	0.001
Received free condoms in past 6 months	0.6	0.620	0.320
Received safe sex talk in past 6 months	−8.5	0.001	0.001
HIV	1.1	0.002	0.001

^{^}Test for trend in proportions; reject null hypothesis (conclude proportions are unequal) if p < 0.05.

^{^^}Directional test for trends in proportions; reject null hypothesis (conclude increasing [positive annual change] or decreasing [negative annual change] trend in proportions) at p ≤ 0.05.