an increasing trendP < 0.01
Residents were somewhat more likely than migrants to meet partners on the Internet, while migrants were more likely than residents to meet partners at bath centers (Table 1 ). Sexual Risk Behaviors About four-fifths of the participants had engaged in anal sex in the last six months, with an increasing trend among both residents and migrants during the study period (P < 0.01, AOR = 1.24, 95% CI:1.09–1.40 in residents; AOR = 1.47, 95% CI:1.15–1.87 in-migrants).