scholarly journals HIGH RISK BEHAVIORS ON HIV/AIDS INFECTION AMONG MAN HAVING SEX WITH MAN (MSM) IN THAI NGUYEN CITY, 2020

2021 ◽  
Vol 62 (4) ◽  
Author(s):  
Duong Phuong Hieu ◽  
Nguyen Manh Tuan ◽  
Phan Minh Anh ◽  
Le Thi Huyen Trang ◽  
Hac Van Vinh
Keyword(s):  
Risk Behaviors ◽  
Sexual Behaviors ◽  
Cross Sectional Study ◽  
Anal Sex ◽  
Related Factors ◽  
Cross Sectional ◽  
High Risk Behaviors ◽  
Aids Risk ◽  
Sex With Men ◽  
Hiv Aids

Objective: To describe the situation and some related factors of HIV/AIDS risk behaviors amongmen who have sex with men (MSM) at Thai Nguyen city in 2020.Subjects and methods: The descriptive cross- sectional study was conducted among 72 MSMs from15 years old, who were living at Thai Nguyen city.Results: The percentage of objects who didn’t use condom during anal sex was 37,5%. There were65,3% of MSM who haven’t used PrEP. Regression analyse showed that condomless anal sex insingle group was higher than in married group (p=0,041). The percentage of HIV infection in a singlegroup was 16,2%.Conclusion: The percentage of safe sexual behaviors (condom, PrEP) was low among MSM at ThaiNguyen city. There was a relationship between marriage status and condom use in the MSM group.

scholarly journals The use of inappropriate anal douching tool associates with increased HIV infection among men who have sex with men: a cross-sectional study in Shenyang, China

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Zhen Xing Chu ◽  
Guangquan Shen ◽  
Qinghai Hu ◽  
Hongyi Wang ◽  
Jing Zhang ◽  
...  
Keyword(s):  
Risk Factors ◽  
Hiv Infection ◽  
Sexual Behaviors ◽  
Anal Intercourse ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Anal Sex ◽  
Cross Sectional ◽  
Increased Risk ◽  
Sex With Men

Abstract Background Rectal douching (RD) is widely practiced by men who have sex with men (MSM), and is associated with increased risk of HIV infection. However, the mechanism of how RD increases the risk of HIV infection is not well understood, and there is limited data on RD behavior in MSM practicing anal sex in China. We examine the purpose of RD, its timing in relation to anal sex, the types of RD products used, and risky sexual behaviors among MSM reporting anal sex. Methods Between August 2017 and December 2018, a cross-sectional study was conducted among adult MSM in Shenyang, China. Data were collected on demographics, sexual behaviors, and RD for the most recent sexual intercourse by means of interviewer-administered face-to-face questionnaires. Blood samples were collected to test for antibodies to HIV and syphilis. Multivariable logistic regression models were used to assess the risk factors associated with HIV infection. Results A total of 515 eligible MSM participated in this survey (median age: 31 years). During the most recent anal intercourse, 28.3% (146/515) had condomless receptive anal intercourse (CRAI), 21.4% (110/515) practiced serosorting, and more than half (61.6%, 317/515) reported RD before or after anal sex. Of those practicing RD, 96.8% (307/317) conducted RD before sex, while 62.5% (198/317) conducted RD after sex. The douching devices used were primarily shower hoses (85.3%, 262/307), and relatively few MSM used commercial RD products (8.1%, 25/307) before sex. The prevalence of HIV-1 and syphilis was 11.7% and 13.2%, respectively. HIV infection was positively associated with RD, practicing RD before sex, the interaction between RD and CRAI using a shower hose for RD and other risk factors, practicing RD after sex, CRAI, using nitrite inhalants, main sexual role with males as bottom and syphilis infection. Conclusions RD is popular among Chinese MSM. Improper noncommercial RD tools use (such as shower hose), the interaction effect between RD and CRAI associated with HIV infection. Public health workers and the MSM community should publicize scientific knowledge and prevention approaches relating to RD and HIV transmission to MSM. We recommend that further studies should be conducted to understand the detailed mechanism between RD and increased HIV prevalence.

scholarly journals Knowledge about HIV transmission, behavior and self-perception about risk of getting HIV among men

2013 ◽  
Vol 34 (2) ◽  
pp. 4-9
Author(s):  
NL Oli ◽  
SR Onta ◽  
S Dhakal
Keyword(s):  
Sexual Behavior ◽  
Sexual Behaviors ◽  
Hiv Transmission ◽  
Kathmandu Valley ◽  
Institute Of Medicine ◽  
Anal Sex ◽  
Self Perception ◽  
Cross Sectional ◽  
Sex With Men ◽  
Hiv Aids

Introduction: In spite on a lot of work done by nongovernmental organizations of men having sex with men (MSM) with the collaboration of Nepal government there is high prevalence of unprotected anal sex with a high incidence of sexual partner change. The purpose of this study was to explore knowledge about Human Immunodeficiency Virus (HIV) transmission, behavior and self-perception about risk of getting HIV among men having sex with men in Kathmandu Valley. Methods: This is cross-sectional explorative study. Study was carried out between July 2010 and December 2010 in 97 men having sex with men in Kathmandu Valley using snow balling sampling technique. The verbal consent was taken and the respondents were interviewed using structured questionnaire. Results: Although overall knowledge regarding HIV/AIDS and Sexual transmitted Infections (STI) is high some misconception about way of transmission is present. Majority of respondents still practiced unsafe sexual behaviors, which included multiple sex partners, irregular use of condom, frequent and regular anal sex, sex in exchange of money. More than half of them considered that they had little risk of getting HIV/AIDS. Conclusion: Sexual behavior of men having sex with men needs to be further addressed in order to promote safer and responsible sexual behavior. DOI: http://dx.doi.org/10.3126/joim.v34i2.9043 Journal of Institute of Medicine August, 2012; 34:2 4-9

scholarly journals The use of inappropriate anal douching tool associates with increased HIV infection among men who have sex with men: a cross-sectional study in Shenyang, China

2020 ◽  
Author(s):  
ZhenXing Chu ◽  
Guangquan Shen ◽  
Qinghai Hu ◽  
Hongyi Wang ◽  
Jing Zhang ◽  
...  
Keyword(s):  
Hiv Infection ◽  
Sexual Behaviors ◽  
Interaction Effect ◽  
Anal Intercourse ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Anal Sex ◽  
Cross Sectional ◽  
Increased Risk ◽  
Sex With Men

Abstract Background: Rectal douching (RD) is widely practiced by men who have sex with men (MSM), and is correlated with increased risk of HIV infection. However, the mechanism of how RD increases the risk of HIV infection is not well understood, and there is limited data on RD behavior in MSM practicing anal sex in China. We examine the purpose of RD, its timing in relation to anal sex, the types of RD products used, and risky sexual behaviors among MSM reporting anal sex.Methods: Between August 2017 and December 2018, a cross-sectional study was conducted among adult MSM in Shenyang, China. Data were collected on demographics, sexual behaviors, and RD for the most recent sexual intercourse by means of interviewer-administered face-to-face questionnaires. Blood samples were collected to test for antibodies to HIV and syphilis. Multivariable logistic regression models were used to assess the risk factors associated with HIV infection.Results: A total of 515 eligible MSM participated in this survey (median age: 31 years). During the most recent anal intercourse, 28.3% (146/515) had condomless receptive anal intercourse (CRAI), 21.4% (110/515) practiced serosorting, and more than half (61.6%, 317/515) reported RD before or after anal sex. Of those practicing RD, 96.8% (307/317) conducted RD before sex, while 62.5% (198/317) conducted RD after sex. The douching devices used were primarily shower hoses (85.3%, 262/307), and relatively few MSM used commercial RD products (8.1%, 25/307) before sex. The prevalence of HIV-1 and syphilis was 11.7% and 13.2%, respectively. HIV infection was positively associated with RD (adjusted odds ratio (AOR), 2.8; 95% confidence interval (CI), 1.4-5.5), practicing RD before sex (AOR, 2.3; 95% CI, 1.2–4.3), practicing RD after sex (AOR, 1.8; 95% CI, 1.0–3.1), using a shower hose for RD (AOR, 3.5; 95% CI, 1.1–13.0), CRAI (AOR, 2.9; 95% CI, 1.6–5.5), and an interaction effect of RD and CRAI (AOR = 4.2; 95 % CI, 2.2- 8.1) in the most recent anal intercourse.Conclusions: RD is popular among Chinese MSM. Improper noncommercial RD tools use (such as shower hose), the interaction effect between RD and CRAI associated with HIV infection. Public health workers and the MSM community should publicize scientific knowledge and prevention approaches relating to RD and HIV transmission to MSM. We recommend that cohort studies should be conducted to confirm the causal relationship between RD and acquiring HIV.

scholarly journals The use of inappropriate anal douching tool associates with increased HIV infection among men who have sex with men: a cross-sectional study in Shenyang, China

2021 ◽  
Author(s):  
ZhenXing Chu ◽  
Guangquan Shen ◽  
Qinghai Hu ◽  
Hongyi Wang ◽  
Jing Zhang ◽  
...  
Keyword(s):  
Risk Factors ◽  
Hiv Infection ◽  
Sexual Behaviors ◽  
Anal Intercourse ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Anal Sex ◽  
Cross Sectional ◽  
Increased Risk ◽  
Sex With Men

Abstract Background: Rectal douching (RD) is widely practiced by men who have sex with men (MSM), and is associated with increased risk of HIV infection. However, the mechanism of how RD increases the risk of HIV infection is not well understood, and there is limited data on RD behavior in MSM practicing anal sex in China. We examine the purpose of RD, its timing in relation to anal sex, the types of RD products used, and risky sexual behaviors among MSM reporting anal sex.Methods: Between August 2017 and December 2018, a cross-sectional study was conducted among adult MSM in Shenyang, China. Data were collected on demographics, sexual behaviors, and RD for the most recent sexual intercourse by means of interviewer-administered face-to-face questionnaires. Blood samples were collected to test for antibodies to HIV and syphilis. Multivariable logistic regression models were used to assess the risk factors associated with HIV infection.Results: A total of 515 eligible MSM participated in this survey (median age: 31 years). During the most recent anal intercourse, 28.3% (146/515) had condomless receptive anal intercourse (CRAI), 21.4% (110/515) practiced serosorting, and more than half (61.6%, 317/515) reported RD before or after anal sex. Of those practicing RD, 96.8% (307/317) conducted RD before sex, while 62.5% (198/317) conducted RD after sex. The douching devices used were primarily shower hoses (85.3%, 262/307), and relatively few MSM used commercial RD products (8.1%, 25/307) before sex. The prevalence of HIV-1 and syphilis was 11.7% and 13.2%, respectively. HIV infection was positively associated with RD, practicing RD before sex, the interaction between RD and CRAI using a shower hose for RD and other risk factors, practicing RD after sex, CRAI, using nitrite inhalants, main sexual role with males as bottom and syphilis infection.Conclusions: RD is popular among Chinese MSM. Improper noncommercial RD tools use (such as shower hose), the interaction effect between RD and CRAI associated with HIV infection. Public health workers and the MSM community should publicize scientific knowledge and prevention approaches relating to RD and HIV transmission to MSM. We recommend that further studies should be conducted to understand the detailed mechanism between RD and increased HIV prevalence.

scholarly journals Rectal douching before sexual intercourse and inappropriate douching tool use associated with increased HIV infection among men who have sex with men: a cross-sectional study from Shenyang, China

2020 ◽  
Author(s):  
ZhenXing Chu ◽  
Guangquan Shen ◽  
Qinghai Hu ◽  
Hongyi Wang ◽  
Jing Zhang ◽  
...  
Keyword(s):  
Hiv Infection ◽  
Sexual Behaviors ◽  
Anal Intercourse ◽  
Cross Sectional Study ◽  
Receptive Anal Intercourse ◽  
Sectional Study ◽  
Anal Sex ◽  
Cross Sectional ◽  
Rectal Douching ◽  
Sex With Men

Abstract Background: Rectal douching (RD) is widely practiced by men who have sex with men (MSM), and is correlated with increased risk of HIV infection. However, the mechanism of how RD increases the risk of HIV infection is not well understood, and there is limited data on RD behavior in MSM practicing anal sex in China. We examine the purpose of RD, its timing in relation to anal sex, the types of RD products used, and risky sexual behaviors among MSM reporting anal sex.Methods: Between August 2017 and December 2018, a cross-sectional study was conducted among adult MSM in Shenyang, China. Data were collected on demographics, sexual behaviors, and RD for the most recent sexual intercourse by means of interviewer-administered face-to-face questionnaires. Blood samples were collected to test for antibodies to HIV and syphilis. Multivariable logistic regression models were used to assess the risk factors associated with HIV infection.Results: A total of 515 eligible MSM participated in this survey (median age: 31 years). During the most recent anal intercourse, 28.3% (146/515) had condomless receptive anal intercourse (CRAI), 21.4% (110/515) practiced serosorting, and more than half (61.6%, 317/515) reported RD before or after anal sex. Of those practicing RD, 96.8% (307/317) conducted RD before sex, while 62.5% (198/317) conducted RD after sex. The douching devices used were primarily shower hoses (85.3%, 262/307), and relatively few MSM used commercial RD products (8.1%). The prevalence of HIV-1 and syphilis was 11.7% and 13.2%, respectively. HIV infection was positively associated with RD (adjusted odds ratio (AOR), 2.8; 95% confidence interval (CI), 1.4-5.5), practicing RD before sex (AOR, 2.3; 95% CI, 1.2–4.3), practicing RD after sex (AOR, 1.8; 95% CI, 1.0–3.1), using a shower hose for RD (AOR, 3.5; 95% CI, 1.1–13.0), condomless receptive anal intercourse (CRAI) (AOR, 2.9; 95% CI, 1.6–5.5), and using nitrite inhalants (AOR, 2.8; 95 % CI, 1.6-5.1) in the most recent anal intercourse.Conclusions: RD is popular among Chinese MSM. Improper noncommercial RD tools increase the rates of HIV infection. Public health workers and the MSM community should publicize scientific knowledge and prevention approaches relating to RD and HIV transmission to MSM, and we recommend that better tools be offered to assist in RD in order to decrease the risk of acquiring HIV.

scholarly journals The use of inappropriate anal douching tool associates with increased HIV infection among men who have sex with men: a cross-sectional study in Shenyang, China

2020 ◽  
Author(s):  
ZhenXing Chu ◽  
Guangquan Shen ◽  
Qinghai Hu ◽  
Hongyi Wang ◽  
Jing Zhang ◽  
...  
Keyword(s):  
Hiv Infection ◽  
Sexual Behaviors ◽  
Interaction Effect ◽  
Anal Intercourse ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Anal Sex ◽  
Cross Sectional ◽  
Increased Risk ◽  
Sex With Men

Abstract Background: Rectal douching (RD) is widely practiced by men who have sex with men (MSM), and is associated with increased risk of HIV infection. However, the mechanism of how RD increases the risk of HIV infection is not well understood, and there is limited data on RD behavior in MSM practicing anal sex in China. We examine the purpose of RD, its timing in relation to anal sex, the types of RD products used, and risky sexual behaviors among MSM reporting anal sex.Methods: Between August 2017 and December 2018, a cross-sectional study was conducted among adult MSM in Shenyang, China. Data were collected on demographics, sexual behaviors, and RD for the most recent sexual intercourse by means of interviewer-administered face-to-face questionnaires. Blood samples were collected to test for antibodies to HIV and syphilis. Multivariable logistic regression models were used to assess the risk factors associated with HIV infection.Results: A total of 515 eligible MSM participated in this survey (median age: 31 years). During the most recent anal intercourse, 28.3% (146/515) had condomless receptive anal intercourse (CRAI), 21.4% (110/515) practiced serosorting, and more than half (61.6%, 317/515) reported RD before or after anal sex. Of those practicing RD, 96.8% (307/317) conducted RD before sex, while 62.5% (198/317) conducted RD after sex. The douching devices used were primarily shower hoses (85.3%, 262/307), and relatively few MSM used commercial RD products (8.1%, 25/307) before sex. The prevalence of HIV-1 and syphilis was 11.7% and 13.2%, respectively. HIV infection was positively associated with RD (adjusted odds ratio (AOR), 2.8; 95% confidence interval (CI), 1.4-5.5), practicing RD before sex (AOR, 2.3; 95% CI, 1.2–4.3), practicing RD after sex (AOR, 1.8; 95% CI, 1.0–3.1), using a shower hose for RD (AOR, 3.5; 95% CI, 1.1–13.0), CRAI (AOR, 2.9; 95% CI, 1.6–5.5), and an interaction effect of RD and CRAI (AOR = 4.2; 95 % CI, 2.2- 8.1) in the most recent anal intercourse.Conclusions: RD is popular among Chinese MSM. Improper noncommercial RD tools use (such as shower hose), the interaction effect between RD and CRAI associated with HIV infection. Public health workers and the MSM community should publicize scientific knowledge and prevention approaches relating to RD and HIV transmission to MSM. We recommend that further studies should be conducted to understand the detailed mechanism between RD and increased HIV prevalence.

scholarly journals Trends and differences in sexual practices and sexually transmitted infections in men who have sex with men only (MSMO) and men who have sex with men and women (MSMW): a repeated cross-sectional study in Melbourne, Australia

BMJ Open ◽  
2020 ◽  
Vol 10 (11) ◽  
pp. e037608
Author(s):  
Mario Martín-Sánchez ◽  
Richard Case ◽  
Christopher Fairley ◽  
Jane S Hocking ◽  
Catriona Bradshaw ◽  
...  
Keyword(s):  
Health Centre ◽  
Cross Sectional Study ◽  
Sexual Practices ◽  
Sectional Study ◽  
Anal Sex ◽  
Cross Sectional ◽  
Men And Women ◽  
Sexually Transmitted ◽  
Receptive Anal Sex ◽  
Sex With Men

ObjectivesIn the 2010s, there has been an increase in sexually transmitted infections (STI) in men who have sex with men (MSM) in Australia, and since 2015 also in urban heterosexuals. Men who have sex with both men and women (MSMW) have characteristics that may differ from both men who have sex with men only (MSMO) and heterosexual men. We aimed to compare the sexual practices and the trends in HIV/STI positivity between MSMO and MSMW.DesignRepeated cross-sectional study.SettingA sexual health centre in Melbourne, Australia.ParticipantsMSM aged 18 years and above who attended the Melbourne Sexual Health Centre for the first time between 2011 and 2018. This includes 12 795 MSMO and 1979 MSMW.Primary outcome measuresDemographic characterics, sexual practices and HIV/STI positivity.ResultsCompared with MSMW, MSMO were more likely to practice anal sex and to have condomless receptive anal sex with casual male partners, and less likely to have a current regular relationship. Over the 8-year period, there was an increase in condomless receptive anal sex with casual male partners for both groups (MSMO: from 46.2% to 63.3%, ptrend <0.001; MSMW: from 41.3% to 57.9%, ptrend=0.011). Syphilis positivity increased in MSMO (from 5.5% to 7.9%, ptrend=0.012) and MSMW (from 0.9% to 6.4%, ptrend=0.004) and HIV remained stable. Gonorrhoea increased among MSMO from 2011 to 2014 (from 6.7% to 9.6%, ptrend=0.002), and remained stable from 2015 to 2018. MSMO had higher odds of testing positive for gonorrhoea (adjusted OR (aOR) 1.36, 95% CI 1.13 to 1.64), chlamydia (aOR 1.39, 95% CI 1.16 to 1.67), syphilis (aOR 1.74, 95% CI 1.37 to 2.22) and HIV (aOR 4.60, 95% CI 2.43 to 8.70) than MSMW.ConclusionsMSMW have overall lower condomless sex and lower HIV/STI positivity. In the last years, changes in sexual practices in MSM have affected both MSMW and MSMO leading to an increased STI risk.

scholarly journals Use of multiple recreational drugs is associated with new HIV infections among men who have sex with men in China: a multicenter cross-sectional survey

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Xiang Mao ◽  
Sequoia I. Leuba ◽  
Qinghai Hu ◽  
Hongjing Yan ◽  
Zhe Wang ◽  
...  
Keyword(s):  
High Risk ◽  
Hiv Infection ◽  
Risk Behaviors ◽  
Sexual Behaviors ◽  
Hiv Infections ◽  
Recreational Drugs ◽  
Limited Information ◽  
High Risk Behaviors ◽  
Sex With Men ◽  
Recent Hiv Infection

Abstract Background There is limited information about the types of recreational drugs used by men who have sex with men (MSM) in China or the consequent impact on sexual health and human immunodeficiency virus (HIV) acquisition. Methods We recruited MSM from seven cities in China between 2012 and 2013 using multiple approaches including advertisements on gay websites, collaborating with local MSM community-based organizations, peer referrals, and venues such as gay bars and bathrooms visited by MSM. We divided participants into four subgroups based on the number of recreational drugs (RDs) used in the previous 6 months. We defined use of multiple RDs as use of ≥2 types of RDs. Demographics and HIV-related high-risk behaviors were collected, and blood samples were tested for recent HIV infection by the HIV-1 subtypes B, E, and D immunoglobulin G capture enzyme immunoassay (BED-CEIA). We used multivariable logistic regression adjusted for sociodemographics to determine the adjusted odds ratios (aORs) and associated 95% confidence intervals (CIs) of the subgroups of RD use for recent or established HIV infection. Results A total of 4496 Chinese MSM participated; 28.4% used RDs, and 5% used multiple types of RDs. The prevalence of each RD use was as follows: poppers (25.9%), ecstasy (2.4%), ketamine (1.2%), amphetamine (0.6%), tramadol (0.4%), methamphetamine (3.8%), and codeine (1.9%). Users of multiple RDs commonly used poppers combined with one or more other types of RDs. Multiple RD users were likely to be aged 26–30 years (vs. 18–25 and > 30 years), live in non-local cities (vs. local cities), never married (vs. married), have a high monthly income (vs. no income and 1–599 USD), use versatile positions during anal intercourse (vs. top or bottom), and have inadequate HIV-related prevention knowledge (vs. adequate). As the number of RDs used in the previous 6 months increased, the prevalence of HIV-related high-risk behaviors increased (P < 0.05 for all). The odds of recent HIV infection were higher among those who used one type (aOR = 2.2, 95% CI: 1.5–3.0) or two types of RD (aOR=2.3, 95% CI: 1.0-5.2) in the previous 6 months compared to the odds among those who did not use RDs. Conclusion The level and pattern of multiple RD use among Chinese MSM were different from high-income countries. MSM who used more RDs are more likely to engage in high-risk sexual behaviors, and these behaviors may be associated with increases in new HIV infections.

scholarly journals Adolescent and non-consensual anal sexual debut among Chinese men who have sex with men: a cross-sectional study

2020 ◽  
Author(s):  
Weiming Tang ◽  
Yehua Wang ◽  
Wenting Huang ◽  
Dan Wu ◽  
Fan Yang ◽  
...  
Keyword(s):  
Sexual Risk ◽  
Sexual Debut ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Anal Sex ◽  
Cross Sectional ◽  
Chinese Men ◽  
Factors Associated ◽  
Consensual Sex ◽  
Sex With Men

Abstract Background: Adolescent sexual debut and non-consensual sex have been linked to higher sexual risk and STI infection in adulthood among men who have sex with men (MSM) in high-income countries. This study aimed to examine adolescent and non-consensual anal sexual debut among Chinese MSM and to evaluate factors associated with adolescent sexual debut and non-consensual anal sex.Methods: A cross-sectional study was conducted recently among Chinese men assigned male sex at birth, ≥18 years old, and who had ever engaged in anal sex with a man. Participants answered questions regarding socio-demographics, condomless sex, age at anal sexual debut with a man, and whether the first anal sex was consensual. Factors associated with an adolescent sexual debut (<18 years old) and non-consensual sex at sexual debut were evaluated. We defined adolescent sexual debut as having anal sex with another man at 17 years old or younger, and the participants were asked whether their first male-to-male anal sex was non-consensual.Results: Overall, 2031 eligible men completed the survey. The mean age of sexual debut was 20.7 (SD=4.3) years old. 17.6% (358/2031) of men reported adolescent sexual debut, and 5.0% (101/2031) reported a non-consensual sexual debut. The adolescent sexual debut was associated with having more male sexual partners (adjusted OR 1.10, 95% CI 1.06–1.15) and condomless anal sex in the last three months (AOR=1.71, 95% CI 1.34-2.18). MSM whose sexual debut was non-consensual were more likely to have condomless anal sex (AOR=1.76, 95% CI 1.17-2.66), and to have reported an adolescent sexual debut (AOR=2.72, 95% CI 1.75-4.21).Conclusions: Many Chinese MSM reported adolescent sexual debut and non-consensual sex, both of which are associated with sexual risk behaviors and drive STI transmission. These findings highlight the need for designing tailored interventions for MSM who experienced adolescent sexual debut and non-consensual sex at debut.

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