BackgroundIn China, the mode of HIV transmission and the types and routes of drug use have changed in the past decade. HIV testing amongst drug users needs further improvement.MethodsInterviewer-administered questionnaires were used for data collection amongst 600 heterosexual drug users from the community and a municipal detention centre, where criminal suspects are supervised. Descriptive statistics, univariate analysis and multilevel logistic regression analysis were used to identify the factors associated with HIV testing amongst heterosexual drug users. All participants were screened HIV and sexually transmitted infections.ResultsAmongst 600 participants, 554 (92.3%) were methamphetamine users, and 155 (25.8%) underwent HIV testing in the past year. Multivariate analysis results revealed that drug users who were single (adjusted odds ratio(AOR) = 1.923, 95% confidence interval(CI) = 1.189–3.109), had less knowledge of HIV (AOR = 1.706, 95% CI = 1.074–2.711), used only one kind of drug (AOR = 2.649, 95% CI = 1.155–6.077), used drug via a non-injection route (AOR = 2.121, 95% CI = 1.103–4.078), did not receive free condoms (AOR = 2.307, 95% CI = 1.129–4.715) and who did not receive free publicity material from health workers in the past year (AOR = 2.828, 95% CI = 1.757–4.552) were less likely to undergo HIV testing. A total of 594 participants underwent HIV and syphilis screening in this survey. Amongst these participants, 2 (0.3%) were HIV antibody positive, and 88 (14.8%) showed positive results in both non-treponemal test (rapid plasma regain test) and treponemal test (Treponema pallidum particle agglutination test) for the first time.ConclusionsThe rate of HIV test uptake amongst heterosexual drug users in China remains low. Thus, more specific interventions are urgently needed to improve the utilisation of HIV testing amongst heterosexual drug users, particularly amongst non-injection drug users in China.
ObjectiveWe investigated syphilis prevalence among men who have sex with men (MSM) in China, as well as potential risk factors. Our principal hypothesis was that syphilis would be associated with the use of recreational drugs such as methamphetamines.MethodsFrom April to October 2013, we used several methods to recruit MSM in Qingdao, collecting demographic/behavioural information via self-administrated questionnaires. Trained health workers collected blood for the Treponema pallidum particle assay (TPPA) with positives confirmed by a toluidine red unheated serum test. We used an unmatched case–control study to identify factors that might predict syphilis infection using multivariable logistic regression.ResultsWe recruited 447 MSM who agreed to participate and who completed syphilis testing. Of 71 (15.9%) syphilis-positive MSM, 44 (62.0%) used drugs. Of 376 (84.1%) syphilis-negative MSM, 186 (49.5%) used drugs. We found a positive association with syphilis for any recreational drug use (crude OR (cOR) 1.7, 95 % CI 1.0 to 2.8), frequent methamphetamine use (cOR 2.4, 95% CI 1.1 to 5.3) and multiple drug use (adjusted OR (aOR) 3.4, 95% CI 1.3 to 9.2). Syphilis-positive men were more likely to have a higher physical depression score (aOR 5.2, 95% CI 1.1 to 24.4), be > 30 years old (aOR 2.7, 95% CI 1.5 to 4.8), report a prior STI (aOR 4.1, 95% CI 2.3 to 7.3) and report a sex party experience (aOR 2.2, 95% CI 1.1 to 4.4).ConclusionsRecreational drug use, depression and high-risk sexual behaviours were associated with syphilis infection among MSM in China. Only a multifaceted approach is likely be effective in control of both syphilis and HIV .
Few studies have examined the association between methamphetamine (MA) abuse and sexually transmitted infection (STI) risk among heterosexual male MA users in China. A total of 288 heterosexual male MA users who met our inclusion criteria were recruited from nightclubs, KTVs, bars, bath centres and an STI clinic. STIs were screened among the participants, and the risk factors related to STIs were analysed by multivariate logistic regression in SPSS 11.0. Among the 288 heterosexual male MA users, 51 (17.7%) had syphilis, 36 (12.5%) had genital warts, 2 (0.7%) had genital herpes, 3 (1.0%) had HIV infection and 41 (14.2%) had urethritis. STIs were associated with the following variates: 'MA has the function of anti-inebriation' (OR = 2.522, 95%CI = 1.337-4.756), 'I am addicted to MA' (OR = 4.030, 95%CI = 2.194-7.401), 'It occurred to me to abstain from MA' (OR = 2.939, 95%CI = 1.246-6.934), 'Years of MA abuse' (OR = 2.622, 95%CI = 1.318-5.215), 'Times of MA abuse per week' (OR = 5.275, 95%CI = 1.988-14.002), 'Number of persons using MA together' (OR = 2.579, 95%CI = 1.246-5.340) and 'Number of female sex workers as sex partners per MA abuse' (OR = 4.004, 95%CI = 1.526-10.508). Our findings show that MA users belong to the high-risk group for STI in China. STIs, except for HIV, have spread widely among heterosexual male MA users. Thus, specific interventions must be conducted to prevent the spread of STIs in this population in China.
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