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Table 3 Substance use among study participants (n = 498)

From: Correlates of HIV infection among transgender women in two Chinese cities

Variables No. of participants %
Ever used at least one kind of psychotropic substances in the past 6 months
 Yes 200 40.2
 No 298 59.8
Types of the substances
 Rush popper 199 99.5
 5-MeO-DiPT 40 20.0
 Methamphetamine + Cocaine 13 6.5
 Others 10 5.0
Frequency of using rush poppers in the past 6 months
 < 1 time per month 55 27.6
 1–3 times per month 95 47.7
 ≥ 1 time per week 49 24.6
Sexual behavior whenever using rush popper
 Occasionally 7 3.5
 Usually 22 11.1
 Always 170 85.4
Self-reported sexual pleasure after using rush popper
 Increased 177 88.9
 Reduced 4 2.0
 No Change 7 3.5
 Uncertain 11 5.5
Self-reported sexual desire after using rush popper
 Increased 169 84.9
 Reduced 4 2.0
 No Change 17 8.5
 Uncertain 9 4.5
Compared with not using rush popper, self-reported sexual duration when using it
 Extended 136 68.3
 Shortened 9 4.5
 No Change 34 17.1
 Uncertain 20 10.1
Compared with not using rush popper, self-reported condom use when using it
 Never used 3 1.5
 Sometimes used with increased times 1 0.5
 Sometimes used with reduced times 72 36.2
 Sometimes used with same times 31 15.6
 Always used 92 46.2
The most frequent circumstances of using rush popper
 Providing sexual services 4 2.0
 For fun 182 91.5
 Both 13 6.5