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Dive into the research topics where John Best is active.

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Featured researches published by John Best.


Aids and Behavior | 2015

Gay Apps for Seeking Sex Partners in China: Implications for MSM Sexual Health

Cedric H. Bien; John Best; Kathryn E. Muessig; Chongyi Wei; Larry Han; Joseph D. Tucker

Anti-gay stigma and harsh local environments in many low and middle-income countries (LMIC) encourage men who have sex with men (MSM) partner-seeking mobile application (gay app) use. To investigate the sexual risk profiles of gay app users and guide future HIV prevention programs, we conducted a cross-sectional online survey among 1,342 MSM in China examining associations between gay app use and sexual behaviors, including HIV and sexually transmitted disease testing. Compared to non-app users, app users were more likely to be younger, better educated, “out” about their sexual orientation, and single. They were also more likely to report multiple recent sex partners and HIV testing, but there was no difference in condomless sex between the two groups. Future research among MSM in LMIC is needed to characterize gay app use and explore its potential for future public health interventions.


Clinical Infectious Diseases | 2016

Crowdsourcing HIV Test Promotion Videos: A Noninferiority Randomized Controlled Trial in China

Weiming Tang; Larry Han; John Best; Ye Zhang; Katie Mollan; Julie Kim; Fengying Liu; Michael G. Hudgens; Barry L. Bayus; Fern Terris-Prestholt; Sam Galler; Ligang Yang; Rosanna W. Peeling; Paul A. Volberding; Baoli Ma; Huifang Xu; Bin Yang; Shujie Huang; Kevin Fenton; Chongyi Wei; Joseph D. Tucker

BACKGROUND Crowdsourcing, the process of shifting individual tasks to a large group, may enhance human immunodeficiency virus (HIV) testing interventions. We conducted a noninferiority, randomized controlled trial to compare first-time HIV testing rates among men who have sex with men (MSM) and transgender individuals who received a crowdsourced or a health marketing HIV test promotion video. METHODS Seven hundred twenty-one MSM and transgender participants (≥16 years old, never before tested for HIV) were recruited through 3 Chinese MSM Web portals and randomly assigned to 1 of 2 videos. The crowdsourced video was developed using an open contest and formal transparent judging while the evidence-based health marketing video was designed by experts. Study objectives were to measure HIV test uptake within 3 weeks of watching either HIV test promotion video and cost per new HIV test and diagnosis. RESULTS Overall, 624 of 721 (87%) participants from 31 provinces in 217 Chinese cities completed the study. HIV test uptake was similar between the crowdsourced arm (37% [114/307]) and the health marketing arm (35% [111/317]). The estimated difference between the interventions was 2.1% (95% confidence interval, -5.4% to 9.7%). Among those tested, 31% (69/225) reported a new HIV diagnosis. The crowdsourced intervention cost substantially less than the health marketing intervention per first-time HIV test (US


AIDS | 2016

Facilitators and barriers in HIV linkage to care interventions: a qualitative evidence review.

Lai Sze Tso; John Best; Rachel Beanland; Meg Doherty; Mellanye Lackey; Qingyan Ma; Brian J. Hall; Bin Yang; Joseph D. Tucker

131 vs US


PLOS ONE | 2017

Recreational drug use among Chinese MSM and transgender individuals: Results from a national online cross-sectional study

Peizhen Zhao; Songyuan Tang; Cheng Wang; Ye Zhang; John Best; Thitikarn May Tangthanasup; Shujie Huang; Bin Yang; Chongyi Wei; Joseph D. Tucker; Weiming Tang

238 per person) and per new HIV diagnosis (US


EBioMedicine | 2017

Enhancing Public Health HIV Interventions: A Qualitative Meta-Synthesis and Systematic Review of Studies to Improve Linkage to Care, Adherence, and Retention

Joseph D. Tucker; Lai Sze Tso; Brian J. Hall; Qingyan Ma; Rachel Beanland; John Best; Haochu Li; Mellanye Lackey; Gifty Marley; Zachary C. Rich; Ka Lon Sou; Meg Doherty

415 vs US


Sexually Transmitted Diseases | 2015

Intimate Partner Violence and Correlates With Risk Behaviors and HIV/STI Diagnoses Among Men Who Have Sex With Men and Men Who Have Sex With Men and Women in China: A Hidden Epidemic.

Alissa Davis; John Best; Chongyi Wei; Juhua Luo; Barbara Van Der Pol; Beth E. Meyerson; Brian Dodge; Matthew C. Aalsma; Joseph D. Tucker

799 per person). CONCLUSIONS Our nationwide study demonstrates that crowdsourcing may be an effective tool for improving HIV testing messaging campaigns and could increase community engagement in health campaigns. CLINICAL TRIALS REGISTRATION NCT02248558.


Sexually Transmitted Infections | 2016

Gay mobile apps and the evolving virtual risk environment: a cross-sectional online survey among men who have sex with men in China

Weiming Tang; John Best; Ye Zhang; Feng Ying Liu; Lai Sze Tso; Shujie Huang; Bin Yang; Chongyi Wei; Joseph D. Tucker

Objective: To synthesize qualitative evidence on linkage to care interventions for people living with HIV. Design: Systematic literature review. Methods: We searched 19 databases for studies reporting qualitative evidence on linkage interventions. Data extraction and thematic analysis were used to synthesize findings. Quality was assessed using the Critical Appraisal Skills Programme tool and certainty of evidence was evaluated using the Confidence in the Evidence from Reviews of Qualitative Research approach. Results: Twenty-five studies from 11 countries focused on adults (24 studies), adolescents (eight studies), and pregnant women (four studies). Facilitators included community-level factors (i.e., task shifting, mobile outreach, integrated HIV, and primary services, supportive cessation programs for substance users, active referrals, and dedicated case management teams), and individual-level factors (encouragement of peers/family and positive interactions with healthcare providers in transitioning into care). One key barrier for people living with HIV was perceived inability of providers to ensure confidentiality as part of linkage to care interventions. Providers reported difficulties navigating procedures across disparate facilities and having limited resources for linkage to care interventions. Conclusion: Our findings extend the literature by highlighting the importance of task-shifting, mobile outreach, integrated HIV, and primary care services. Both community and individual-level factors may increase the feasibility and acceptability of HIV linkage to care interventions. These findings may inform policies to increase the reach of HIV services available in communities.


International Journal of Std & Aids | 2016

Differences in risk behaviours, HIV/STI testing and HIV/STI prevalence between men who have sex with men and men who have sex with both men and women in China.

Alissa Davis; John Best; Juhua Luo; Barbara Van Der Pol; Brian Dodge; Beth E. Meyerson; Matthew C. Aalsma; Chongyi Wei; Joseph D. Tucker

Background Recreational drug use has increased considerably among Chinese men who have sex with men (MSM). The phenomenon has the potentially to increase HIV transmission among Chinese MSM. The aims of this study were: 1) to investigate the prevalence of recreational drug use among Chinese MSM, and 2) to explore the correlation between gay smartphone based sex-seeking applications (gay apps), HIV/STIs testing, group sex, commercial sex, sexual roles and poppers use among Chinese MSM. Methods MSM who were born biologically male, were at least 16 years of age and had engaged in anal sex with a man at least once were recruited through a nation-wide online survey in 2014. Information regarding socio-demographics, risk behaviors, recreational drug use, HIV and other STIs testing history and gay app use were collected. Univariate and multivariate analysis were used to determine factors associated with recreational drug use among Chinese MSM. Results Among 1424 participating MSM, 1100 (77.3%) reported ever using recreational drugs in their lifetime. In the last 12 months, 303 (21.3%) used poppers, 34 (2.4%) used crystal meth and 15 (1.0%) used ecstasy. The mean age of respondents was 25.6±6.8 years, 72.9% identified as gay, 41.3% were students, and 83.8% had never been married. Multiple logistic regression models revealed that compared with non-popper users, popper users were more likely to have been tested for HIV (adjusted OR (aOR) = 1.50, 95% CI: 1.15–1.96) and other STIs (aOR = 1.65, 95% CI: 1.26–2.17). In addition, popper users were more likely to engage in group sex (aOR = 2.63, 95% CI:1.80–3.86), commercial sex (aOR = 1.86, 95% CI:1.13–3.06) and used gay mobile apps to seek sexual partners (aOR = 2.10, 95% CI:1.58–2.80). Conclusion Chinese MSM has a high rate of recreational drug use, including poppers. Public health programs serving MSM may consider integrating intervention programs to decrease recreational drug use related harms.


Sexually Transmitted Diseases | 2017

Faster and Riskier? Online Context of Sex Seeking Among Men Who Have Sex With Men in China

Bolin Cao; Chuncheng Liu; Gabriella Stein; Weiming Tang; John Best; Ye Zhang; Bin Yang; Shujie Huang; Chongyi Wei; Joseph D. Tucker

Although HIV services are expanding, few have reached the scale necessary to support universal viral suppression of individuals living with HIV. The purpose of this systematic review was to summarize the qualitative evidence evaluating public health HIV interventions to enhance linkage to care, antiretroviral drug (ARV) adherence, and retention in care. We searched 19 databases without language restrictions. The review collated data from three separate qualitative evidence reviews addressing each of the three outcomes along the care continuum. 21,738 citations were identified and 24 studies were included in the evidence review. Among low and middle-income countries in Africa, men living with HIV had decreased engagement in interventions compared to women and this lack of engagement among men also influenced the willingness of their partners to engage in services. Four structural issues (poverty, unstable housing, food insecurity, lack of transportation) mediated the feasibility and acceptability of public health HIV interventions. Individuals living with HIV identified unmet mental health needs that interfered with their ability to access HIV services. Persistent social and cultural factors contribute to disparities in HIV outcomes across the continuum of care, shaping the context of service delivery among important subpopulations.


BMJ Open | 2016

Analysis of the sex ratio of reported gonorrhoea incidence in Shenzhen, China

Mingzhou Xiong; Lina Lan; Tie-Jian Feng; Guanglu Zhao; Feng Wang; Fu-Chang Hong; Xiaobing Wu; Chun-Lai Zhang; Lizhang Wen; Aizhong Liu; John Best; Weiming Tang

Background Intimate partner violence (IPV) research has primarily focused on heterosexual couples but has largely ignored IPV among men who have sex with men (MSM). We examined IPV prevalence among MSM and men who have sex with men and women (MSMW) in China. Methods Men who have sex with men older than 16 years were recruited through 3 MSM-focused Web sites in China. An online survey containing items on sociodemographics, risk behaviors, IPV, and self-reported HIV or sexually transmitted infection diagnosis was completed. Multivariate regression was used to examine associations between IPV and risk behaviors and an HIV or sexually transmitted infection diagnosis. Results Among 610 participants, 182 (29.8%) reported experiencing at least 1 type of IPV. Men who have sex with both men and women were at significantly greater risk for IPV (adjusted odds ratio [AOR], 1.65; 95% confidence interval [CI], 1.08–2.53) compared with MSM. Men who had experienced IPV were more likely to have participated in group sex (AOR, 1.86; 95% CI, 1.08–3.21), to have had sex in exchange for gifts or money (AOR, 5.06; 95% CI, 2.47–10.35), and to report a positive HIV diagnosis (AOR, 2.59; 95% CI, 1.22–5.51). Conclusions There is a hidden epidemic of IPV among MSM in China, especially among MSMW. The hidden nature of MSM and MSMW suggests the need for a clinical environment more conducive to disclosure. Research is needed to understand the pathways linking IPV and HIV risk among MSM to optimize the design of effective interventions.

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Joseph D. Tucker

University of North Carolina at Chapel Hill

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Chongyi Wei

University of California

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Bin Yang

Southern Medical University

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Weiming Tang

University of North Carolina at Chapel Hill

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Shujie Huang

Southern Medical University

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Ye Zhang

University of North Carolina at Chapel Hill

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Lai Sze Tso

University of North Carolina at Chapel Hill

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Heping Zheng

Southern Medical University

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Barbara Van Der Pol

University of Alabama at Birmingham

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