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Shi G, Lin B, Pan H, He W, Zhong X. Using an extended information-motivation-behavioral skills model to explain HPV vaccination intention among men who have sex with men only and men who have sex with men and women. Hum Vaccin Immunother 2024; 20:2327150. [PMID: 38465886 PMCID: PMC10936628 DOI: 10.1080/21645515.2024.2327150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 03/03/2024] [Indexed: 03/12/2024] Open
Abstract
Men who have sex with men and women (MSMW) have been reported to differ in psychosocial and sexual behavior patterns from men who have sex with men only (MSMO). However, results regarding the differences in HPV vaccination intention/behavior were inconclusive. We compared HPV vaccination intention between MSMO and MSMW and analyzed the differences in potentially associated factors in China. MSM participants were recruited online using a snowball sampling method. Cross-sectional data were collected via a questionnaire based on the extended information-motivation-behavioral skills model. Structural equation modeling was conducted to examine the relationship between the variables, followed by multi-group analysis to test differences between groups. Of 914 MSM, 77.68% were MSMO and 22.32% were MSMW. MSMW had a higher rate of reluctance to vaccinate than MSMO (23.53% vs. 16.20%, p = .016). Differences between the two groups were statistically significant in risky sexual behavior, behavioral skills, and promotional attitude. In both groups, promotional attitude was the most significant predictor of vaccination intention. Vaccination intention was directly influenced by motivation and indirectly by risky sexual behavior in MSMO, but not significantly in MSMW. Additionally, the direct effect of information on behavioral skills in MSMW was significantly greater than that in MSMO, but we did not find any effect of behavioral skills on vaccination intention. MSMW had lower vaccination intention than MSMO. MSMO may be influenced by risky sexual behavior and motivation, positively impacting their vaccination intention, unlike MSMW. Targeted strategies could help promote HPV vaccination, especially in MSMW.
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Affiliation(s)
- Guiqian Shi
- School of Public Health, Research Center for Medicine and Social Development, Chongqing Medical University, Chongqing, China
| | - Bing Lin
- School of Public Health, Research Center for Medicine and Social Development, Chongqing Medical University, Chongqing, China
| | - Haiying Pan
- School of Public Health, Research Center for Medicine and Social Development, Chongqing Medical University, Chongqing, China
| | - Wei He
- School of Public Health, Research Center for Medicine and Social Development, Chongqing Medical University, Chongqing, China
| | - Xiaoni Zhong
- School of Public Health, Research Center for Medicine and Social Development, Chongqing Medical University, Chongqing, China
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Cannon CA, Celum CL. Doxycycline postexposure prophylaxis for prevention of sexually transmitted infections. TOPICS IN ANTIVIRAL MEDICINE 2023; 31:566-575. [PMID: 38198668 PMCID: PMC10776032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
Doxycycline postexposure prophylaxis (doxy-PEP) is a novel strategy now demonstrated in several clinical trials to dramatically reduce incidence rates of gonorrhea, chlamydia, and syphilis in some key populations at high risk of sexually transmitted infections. Even so, much remains unknown about the long-term consequences of doxy-PEP, and several concerns, including the potential for the development of antibiotic resistance and disturbances to the microbiome, balance the benefits. This review highlights the history of antibiotic prophylaxis for sexually transmitted infections, and the rationale, current evidence, and future directions for doxy-PEP.
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Affiliation(s)
- Chase A. Cannon
- Write to Chase A. Cannon, MD, MPH, University of Washington, 325 9th Ave, Box 359777, Seattle, WA, 98104, or email
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Chen W, Zhou X, Ma Q, He L, Chen W, Guo Z, Chen L. Correlates of condom use among male university students from eastern China who engage in casual sex. PLoS One 2023; 18:e0283970. [PMID: 37228160 DOI: 10.1371/journal.pone.0283970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 03/21/2023] [Indexed: 05/27/2023] Open
Abstract
Consistent condom use with casual partners is critical for preventing the transmission of human immunodeficiency virus (HIV) among male university students. This study aimed to determine the level of consistent condom use and explore the correlates of condom use consistency in male university students in eastern China. A descriptive cross-sectional survey was conducted in 13 universities in Zhejiang Province, which involved the recruitment of 31,674 students by stratified random sampling. Among them, 545 male students who engaged in casual sex in the year prior to this study were included. Adjusted and unadjusted logistic regression models were used to examine the correlates associated with consistent condom use. Among the 545 male university students, only 205 (37.6%) consistently used condoms in the previous year. The following correlates were associated with higher rates of consistent condom use: 1) Knowledge, specifically, the number of correct answers to "HIV infection can be determined by appearance" (AOR: 2.06, 95% CI: 1.21-3.49); 2) never finding casual partners on the internet during the past over the prior year (AOR: 0.63; 95% CI: 0.40-0.99); 3) never drinking alcohol before casual sex during the last over the prior year (AOR: 0.30; 95% CI: 0.20-0.46); 4) never engaging in commercial sex (AOR: 0.57; 95% CI: 0.34-0.96); and 5) high condom self-efficacy score (AOR: 2.55; 95% CI: 1.44-4.49). The study found a low level of consistent condom use among male university students. Promoting condom self-efficacy, reducing web-based casual sex, drinking before sex, and commercial sex are essential to improving the level of consistent condom use among male university students to reduce the transmission of HIV.
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Affiliation(s)
- Weiyong Chen
- Department of HIV/AIDS and STDs Control and Prevention, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang, P. R. China
| | - Xin Zhou
- Department of HIV/AIDS and STDs Control and Prevention, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang, P. R. China
| | - Qiaoqin Ma
- Department of HIV/AIDS and STDs Control and Prevention, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang, P. R. China
| | - Lin He
- Department of HIV/AIDS and STDs Control and Prevention, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang, P. R. China
| | - Wanjun Chen
- Department of HIV/AIDS and STDs Control and Prevention, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang, P. R. China
| | - Zhihong Guo
- Department of HIV/AIDS and STDs Control and Prevention, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang, P. R. China
| | - Lin Chen
- Department of HIV/AIDS and STDs Control and Prevention, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang, P. R. China
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Greaves KE, Fairley CK, Engel JL, Ong JJ, Aung ET, Phillips TR, Chow EPF. Assortative Sexual Mixing by Age, Region of Birth, and Time of Arrival in Male-Female Partnerships in Melbourne, Australia. Sex Transm Dis 2023; 50:288-291. [PMID: 36728262 DOI: 10.1097/olq.0000000000001772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND Patterns of sexual mixing may be influenced by demographic factors where individuals show a preference for partners with particular traits and may have different levels of risk for HIV and sexually transmitted infection transmission. We aimed to explore age differences and mixing by region of birth among male-female partnerships. METHODS Male-female partnerships who presented to Melbourne Sexual Health Centre in Australia between 2015 and 2019 were investigated. Age and country of birth of sexual partners were collected. We calculated the age differences between partners and created tables demonstrating partnership mixing by age groups and by international region of birth. RESULTS A total of 2112 male-female partnerships (i.e., 4224 individuals) were included. The median age was 27 years (interquartile range, 23-31 years). Between men and women in partnerships, the median age difference was 1 year. Nearly half of all individuals (49.1% [2072 of 4224]) were in a partnership with another individual in the same 5-year interval age group as their own, and a majority of individuals (58.5% [2334 of 3988]) were in a partnership with another individual from the same region of birth when compared with other regions. CONCLUSIONS There is a strong assortative sexual mixing pattern by age and region of birth among male-female partnerships in Melbourne, Australia. These results may have applications in further research to understand sexually transmitted infection transmission among clients attending sexual health centers, particularly those born overseas.
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Chen L, Jiang T, Wang H, Hong H, Ge R, Tang H, Wang S, Xu K, Chai C, Ma Q, Jiang J. Development and validation of a risk score for predicting inconsistent condom use with women among men who have sex with men and women. BMC Public Health 2023; 23:734. [PMID: 37085861 PMCID: PMC10120174 DOI: 10.1186/s12889-023-15672-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 04/13/2023] [Indexed: 04/23/2023] Open
Abstract
BACKGROUND Men who have sex with men and women (MSMW) are the most important bridge population for HIV transmission. Condom use plays an important role for HIV infection. However the predictors for condom ues with females are not well characterized. METHODS This was a cross-sectional study. Participants were enrolled by four community-based organizations (CBOs) by offline (bathrooms, bars), and online (gay applications, chat room) from April to December 2019. Electronic questionnare was fulfilled after a face-to-face training led by CBOs. We identified predictors of inconsistent condom use with females by creating a risk score based on regression coefficients. We externally validated this score via an independent cross-sectional survey conducted in Zhejiang Province in 2021. A total of 917, 615 MSMW were included in analysis in 2019 and 2021, seperately. RESULTS Among 917 MSMW, 73.2% reported heterosexual behavior in the prior 6 months and 38.3% reported inconsistent condom use with females (ICUF) over that time. Compared with heterosexual/unsure MSMW, bisexual MSMW reported more male and female sex partners, higher proportion of inconsistent condom use with males, less commercial sex with males (p < 0.05). Four risky predictors of ICUF were identified: Duration of local residence ≦6 months; more than one male partner in the prior 6 months; inconsistent condom use with males in the prior 6 months; and never heard post-exposure prophylaxis (PEP). The proportions of respondents indicating ICUF in the low- (0), medium- (2-4) and high-risk (6-20) groups (according to our risk scoring system) were 11.7% (14/120), 26.9% (96/357), and 78.1% (125/160), respectively (Ptrend < 0.001). In the validation survey, the respective proportions of those reporting ICUF were 13.4% (15/112), 17.8% (24/185) and 87.3% (96/110) (Ptrend < 0.001). CONCLUSIONS We developed and validated a predictive risk score for ICUF among MSMW; four factors were identified, of which inconsistent condom use with men was the most important. Risk reduction intervention programs should focus on MSM who report inconsistent condom use with males, never heard PEP, having multiple partners and living in local less than 6 months.
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Affiliation(s)
- Lin Chen
- Department of HIV/AIDS and STDs Control and Prevention; Department of Zhejiang Key Lab of Vaccine, Prevention and Control of Infectious Disease, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, People's Republic of China
| | - Tingting Jiang
- Department of HIV/AIDS and STDs Control and Prevention; Department of Zhejiang Key Lab of Vaccine, Prevention and Control of Infectious Disease, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, People's Republic of China
| | - Hui Wang
- Department of HIV/AIDS and STDs Control and Prevention; Department of Zhejiang Key Lab of Vaccine, Prevention and Control of Infectious Disease, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, People's Republic of China
| | - Hang Hong
- Department of HIV/AIDS and STDs Control and Prevention, Ningbo Center for Disease Control and Prevention, Ningbo, People's Republic of China
| | - Rui Ge
- Department of HIV/AIDS and STDs Control and Prevention, Jiaxing Center for Disease Control and Prevention, Zhejiang Province, Jiaxing, People's Republic of China
| | - Huiling Tang
- Department of HIV/AIDS and STDs Control and Prevention, Jinhua Center for Disease Control and Prevention,, Jinhua, People's Republic of China
| | - Shanling Wang
- Department of HIV/AIDS and STDs Control and Prevention, Taizhou Center for Disease Control and Prevention, Taizhou, People's Republic of China
| | - Ke Xu
- Department of HIV/AIDS and STDs Control and Prevention, Hangzhou Center for Disease Control and Prevention, Hangzhou, People's Republic of China
| | - Chengliang Chai
- Department of HIV/AIDS and STDs Control and Prevention; Department of Zhejiang Key Lab of Vaccine, Prevention and Control of Infectious Disease, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, People's Republic of China
| | - Qiaoqin Ma
- Department of HIV/AIDS and STDs Control and Prevention; Department of Zhejiang Key Lab of Vaccine, Prevention and Control of Infectious Disease, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, People's Republic of China
| | - Jianmin Jiang
- Department of HIV/AIDS and STDs Control and Prevention; Department of Zhejiang Key Lab of Vaccine, Prevention and Control of Infectious Disease, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, People's Republic of China.
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Chaiyabutr C, Nanchaipruek Y, Pochanapan O, Leeyaphan C, Jiamton S. Characteristics of HIV/sexually transmitted infections among men who have sex with men and women in Bangkok, Thailand. Int J STD AIDS 2022; 33:963-969. [PMID: 36006847 DOI: 10.1177/09564624221114188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Men who have sex with men (MSM) are a key HIV target population in Thailand. An important subgroup is men who have sex with men and women (MSMW) as they can sexually transmit infections between individuals with different gender identities. This study compared the sexually transmitted infection risk behavior of different types of men in Thailand. METHODS We retrospectively reviewed the medical records of 839 consecutive male patients who visited an STI clinic in Bangkok, Thailand, between 2014 and 2020. RESULTS Men who have sex with women only (MSWO) predominated (58.0%), followed by men who have sex with men only (MSMO, 32.2%) and MSMW (9.8%). MSMW and MSMO shared similar sexual risk behaviors, such as significantly higher median numbers of sex partners (10 and 8, respectively) than MSWO (5; Kruskal-Wallis, p < 0.001). MSMW had the highest prevalence of concurrent sexual partnerships (91.4%), significantly different from MSWO (61.2%) and MSMO (76.7%; chi-squared, p < 0.001). HIV and syphilis prevalence was significantly higher for MSMO (48.9% and 51.1%) and MSMW (42.7% and 48.8%) than MSWO (12.3% and 20.9%; chi-squared, p < 0.001). CONCLUSIONS MSMW exhibited similar sexual risk behavior and high HIV/STI prevalence comparable to MSMO.
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Affiliation(s)
- Chayada Chaiyabutr
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Yanisorn Nanchaipruek
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Oraya Pochanapan
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Charussri Leeyaphan
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Sukhum Jiamton
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Engel JL, Fairley CK, Greaves KE, Vodstrcil LA, Ong JJ, Bradshaw CS, Chen MY, Phillips TR, Chow EPF. Patterns of Sexual Practices, Sexually Transmitted Infections and Other Genital Infections in Women Who Have Sex with Women Only (WSWO), Women Who Have Sex with Men Only (WSMO) and Women Who Have Sex with Men and Women (WSMW): Findings from a Sexual Health Clinic in Melbourne, Australia, 2011-2019. ARCHIVES OF SEXUAL BEHAVIOR 2022; 51:2651-2665. [PMID: 35776396 PMCID: PMC9293838 DOI: 10.1007/s10508-022-02311-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 02/15/2022] [Accepted: 02/15/2022] [Indexed: 06/15/2023]
Abstract
Despite rises in sexually transmitted infection (STI) notifications among Australian women in the last decade, limited STI surveillance data exist specifically for women who have sex with women. This study aimed to compare differences in sexual practices and positivity for STIs and other genital infections among women who have sex with men only (WSMO), women who have sex with women only (WSWO), and women who have sex with men and women (WSMW), and whether these changed over time. In this retrospective repeated cross-sectional study, women attending the Melbourne Sexual Health Centre for the first time between 2011 and 2019 were categorized as "WSMW," "WSWO," or "WSMO" according to self-reported sexual practices in the previous 12 months. Demographic information, sexual practices, and positivity for STIs and other genital infections were compared between the three groups and over time. A total of 36,147 women (2618 WSMW, 534 WSWO, and 32,995 WSMO) were included. WSMW reported more sexual partners (median = 6; IQR = 4-10) than WSMO (median = 3; IQR = 2-5) and WSWO (median = 2; IQR = 1-4) (p < .001). A higher proportion of WSMW always used condoms with casual male partners compared to WSMO (20.4% vs 15.9%; p < .001). The proportion of women who always used condoms with casual male partners decreased over time in WSMO, (19.9% in 2011 to 15.2% in 2019, ptrend < .001) but not in WSMW. Bacterial vaginosis was more common in WSWO (14.8%) than in WSMW (11.8%) and WSMO (7.7%) (p < .001). Chlamydia was more common in WSMO (9.3%) than in WSMW (6.6%) and WSWO (1.2%) (p < .001). Syphilis was more common in WSMO (1.0%) than in WSMW (0.3%) and WSWO (0.0%) (p = .004). Over time, chlamydia positivity in WSWO increased (from 0.0% to 2.7%, ptrend = .014), and syphilis positivity in WSMW increased (from 0.0% to 0.7%, ptrend = .028); however, positivity of these STIs did not change in other groups. Sexual practices and positivity for STIs and other genital infections differed according to the sex of women's partners in the previous 12 months. Knowledge of these differences is important to account for future changes in STI trends that may occur in these subpopulations.
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Affiliation(s)
- Jaimie L Engel
- Melbourne Sexual Health Centre, Alfred Health, 580 Swanston Street, Carlton, VIC, 3053, Australia
- Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, VIC, Australia
| | - Christopher K Fairley
- Melbourne Sexual Health Centre, Alfred Health, 580 Swanston Street, Carlton, VIC, 3053, Australia
- Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, VIC, Australia
| | - Kate E Greaves
- Melbourne Sexual Health Centre, Alfred Health, 580 Swanston Street, Carlton, VIC, 3053, Australia
- Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, VIC, Australia
| | - Lenka A Vodstrcil
- Melbourne Sexual Health Centre, Alfred Health, 580 Swanston Street, Carlton, VIC, 3053, Australia
- Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, VIC, Australia
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, VIC, Australia
| | - Jason J Ong
- Melbourne Sexual Health Centre, Alfred Health, 580 Swanston Street, Carlton, VIC, 3053, Australia
- Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, VIC, Australia
| | - Catriona S Bradshaw
- Melbourne Sexual Health Centre, Alfred Health, 580 Swanston Street, Carlton, VIC, 3053, Australia
- Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, VIC, Australia
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, VIC, Australia
| | - Marcus Y Chen
- Melbourne Sexual Health Centre, Alfred Health, 580 Swanston Street, Carlton, VIC, 3053, Australia
- Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, VIC, Australia
| | - Tiffany R Phillips
- Melbourne Sexual Health Centre, Alfred Health, 580 Swanston Street, Carlton, VIC, 3053, Australia.
- Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, VIC, Australia.
| | - Eric P F Chow
- Melbourne Sexual Health Centre, Alfred Health, 580 Swanston Street, Carlton, VIC, 3053, Australia
- Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, VIC, Australia
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, VIC, Australia
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Morris BJ, Katelaris A, Blumenthal NJ, Hajoona M, Sheen AC, Schrieber L, Lumbers ER, Wodak AD, Katelaris P. Evidence-based circumcision policy for Australia. JOURNAL OF MEN'S HEALTH 2022; 18:132. [PMID: 36034719 PMCID: PMC9409339 DOI: 10.31083/j.jomh1806132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
The aim was (1) to perform an up-to-date systematic review of the male circumcision (MC) literature and (2) to determine the number of adverse medical conditions prevented by early MC in Australia. Searches of PubMed using "circumcision" with 39 keywords and bibliography searches yielded 278 publications meeting our inclusion criteria. Early MC provides immediate and lifetime benefits, including protection against: urinary tract infections, phimosis, inflammatory skin conditions, inferior penile hygiene, candidiasis, various STIs, and penile and prostate cancer. In female partners MC reduces risk of STIs and cervical cancer. A risk-benefit analysis found benefits exceeded procedural risks, which are predominantly minor, by approximately 200 to 1. It was estimated that more than 1 in 2 uncircumcised males will experience an adverse foreskin-related medical condition over their lifetime. An increase in early MC in Australia to mid-1950s prevalence of 85% from the current level of 18.75% would avoid 77,000 cases of infections and other adverse medical conditions over the lifetime for each annual birth cohort. Survey data, physiological measurements, and the anatomical location of penile sensory receptors responsible for sexual sensation indicate that MC has no detrimental effect on sexual function, sensitivity or pleasure. US studies found that early infant MC is cost saving. Evidence-based reviews by the AAP and CDC support early MC as a desirable public health measure. Although MC can be performed at any age, early MC maximizes benefits and minimises procedural risks. Parents should routinely be provided with accurate, up-to-date evidence-based information in an unbiased manner early in a pregnancy so that they have time to weigh benefits and risks of early MC and make an informed decision should they have a son. Parental choice should be respected. A well-trained competent practitioner is essential and local anaesthesia should be routinely used. Third party coverage of costs is advocated.
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Affiliation(s)
- Brian J. Morris
- School of Medical Sciences, University of Sydney, Sydney, NSW 2006, Australia
| | - Athos Katelaris
- Department of Urology, St George Hospital, Sydney, NSW 2217, Australia
| | - Norman J. Blumenthal
- Department of Obstetrics and Gynaecology, SAN Clinic, Wahroonga, NSW 2076, Australia
| | - Mohamed Hajoona
- Victoria Circumcision Clinic, The Regent Medical Group, Preston, VIC 3072, Australia
| | | | - Leslie Schrieber
- Department of Medicine, Royal North Shore Hospital, St Leonards, NSW 2065, Australia
| | - Eugenie R. Lumbers
- School of Biomedical Sciences and Pharmacy, University of Newcastle, Pregnancy and Reproduction Program, Hunter Medical Research Institute, New Lambton Heights; Priority Research Centre for Reproductive Sciences, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Alex D. Wodak
- St Vincent’s Hospital, Australian Tobacco Harm Reduction Association and Australia21, Darlinghurst, NSW 2010, Australia
| | - Phillip Katelaris
- Katelaris Urology, North Shore Private Hospital, St Leonards, NSW 2065, Australia
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9
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Greaves KE, Fairley CK, Engel JL, Ong JJ, Rodriguez E, Phillips TR, Chow EPF. Sexual mixing patterns among male-female partnerships in Melbourne, Australia. Sex Health 2022; 19:33-38. [PMID: 35255240 DOI: 10.1071/sh21161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 12/02/2021] [Indexed: 11/23/2022]
Abstract
BACKGROUND Individuals who have both opposite- and same-sex partners have the potential to pass sexually transmitted infections (STIs) between high- and low-risk populations. Our aim was to examine assortative sexual mixing in terms of same-sex activity among male-female partnerships. METHODS This was a retrospective repeated cross-sectional study of male-female partnerships attending the Melbourne Sexual Health Centre (MSHC) from 2015 to 2019. Sex of sexual partners was collected via computer-assisted self-interview. We calculated the proportion of partnerships where at least one individual reported same-sex partners in the previous 12months and the degree of assortativity by bisexuality. RESULTS A total of 2112 male-female partnerships (i.e. 4224 individuals) were included, with a median age of 27 years (IQR 23-31). Overall, 89.3% (1885/2112) of male-female partnerships did not report any other same-sex partners; however, in 9.5% (201/2112) of partnerships, same-sex partners were reported by one individual and in 1.2% (26/2112) of partnerships, both individuals reported same-sex partners. Bisexuality appeared to be slightly assortative in male-female partnerships (r=0.163, 95% CI: 0.150-0.176; P<0.001). CONCLUSION One in 10 individuals in male-female partnerships had at least one same-sex partner within the previous 12months. Individuals were minorly selective by bisexuality, suggesting the patterns of bisexual mixing in male-female partners are more variable and this may have a significant impact on STI transmission in heterosexual populations.
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Affiliation(s)
- Kate E Greaves
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Vic. 3053, Australia; and Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Vic. 3004, Australia
| | - Christopher K Fairley
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Vic. 3053, Australia; and Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Vic. 3004, Australia
| | - Jaimie L Engel
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Vic. 3053, Australia; and Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Vic. 3004, Australia
| | - Jason J Ong
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Vic. 3053, Australia; and Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Vic. 3004, Australia
| | - Elena Rodriguez
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Vic. 3053, Australia
| | - Tiffany R Phillips
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Vic. 3053, Australia; and Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Vic. 3004, Australia
| | - Eric P F Chow
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Vic. 3053, Australia; and Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Vic. 3004, Australia; and Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Vic. 3053, Australia
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Chow EPF, Phillips TR, Tran J, Aung ET, Maddaford K, Fairley CK. A cross-sectional study of male and female kissing partners among men who have sex with men. Sex Health 2022; 19:27-32. [PMID: 35241217 DOI: 10.1071/sh21184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 11/30/2021] [Indexed: 11/23/2022]
Abstract
BACKGROUND Kissing may be a risk factor for gonorrhoea. Past studies have focused on male kissing partners among men who have sex with men (MSM). This study aimed to examine the kissing practices of MSM who kiss male and female partners. METHODS We conducted a cross-sectional survey at the Melbourne Sexual Health Centre (MSHC) between March and April 2019. Men attending the MSHC, aged ≥16years who reported any sexual contact with another man in the previous 12months were invited to participate in the survey. Data about the number of kissing-only (kissing without sex), kissing-with-sex, and sex-only (having sex without kissing) partners in the previous 3months were collected. Men were asked to report the number of male and female partners separately. RESULTS There were 357 MSM included in the survey. Most men (97.2%, n=347) had kissed or had sex with another man, whereas 16.0% (n=57) had kissed or had sex with a female partner in the previous 3months. Of the 57 men, 26.3% (n=15) had only kissed a female partner without having sex. The mean number of male partners for kissing-only was 5.5 (s.d.=6.6), kissing-with-sex was 5.0 (s.d.=6.6) and sex-only was 3.9 (s.d.=4.3). The mean number of female partners for kissing-only was 4.2 (s.d.=6.9), kissing-with-sex was 3.8 (s.d.=4.9) and sex-only was 3.2 (s.d.=3.4). CONCLUSION MSM not only kiss men in the absence of sex, but also kiss women in the absence of sex. Gonorrhoea could be transmitted between MSM and women via kissing in the absence of sex.
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Affiliation(s)
- Eric P F Chow
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Vic. 3053, Australia; and Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Vic. 3004, Australia; and Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Vic. 3053, Australia
| | - Tiffany R Phillips
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Vic. 3053, Australia; and Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Vic. 3004, Australia
| | - Julien Tran
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Vic. 3053, Australia; and Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Vic. 3004, Australia
| | - Ei T Aung
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Vic. 3053, Australia; and Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Vic. 3004, Australia
| | - Kate Maddaford
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Vic. 3053, Australia
| | - Christopher K Fairley
- Melbourne Sexual Health Centre, Alfred Health, Melbourne, Vic. 3053, Australia; and Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Vic. 3004, Australia
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Stewart J, Baeten JM. HIV pre-exposure prophylaxis and sexually transmitted infections: intersection and opportunity. Nat Rev Urol 2021; 19:7-15. [PMID: 34697493 DOI: 10.1038/s41585-021-00527-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/24/2021] [Indexed: 12/29/2022]
Abstract
Pre-exposure prophylaxis (PrEP) has revolutionized HIV prevention, but PrEP does not protect against other sexually transmitted infections (STIs). Rates of STIs are rising worldwide, with notably high incidences among PrEP-using men who have sex with men in high-income countries; in low-income and middle-income countries, data are sparse, but results from a limited number of studies among African women initiating and taking PrEP have shown high STI prevalence and incidence. Efforts aimed at markedly reducing HIV in populations worldwide include a major focus on increasing PrEP use, along with improving HIV testing and treatment in order to eliminate HIV transmission. Together, these efforts could augment continued expansion of the global STI epidemic, but they could alternatively create an opportunity to improve STI control, including the development of comprehensive sexual health programmes and research to develop new STI prevention strategies. The introduction of PrEP globally has been characterized by challenges and many successes, and its role as part of a range of robust strategies to reduce HIV infections is clear. Looking ahead, understanding rising rates of curable STIs and their relationship to HIV prevention, and considering the future directions for synergies in PrEP and STI prevention will be integral to improving sexual health.
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Affiliation(s)
- Jenell Stewart
- Department of Medicine, University of Washington, Seattle, WA, USA. .,Department of Global Health, University of Washington, Seattle, WA, USA.
| | - Jared M Baeten
- Department of Medicine, University of Washington, Seattle, WA, USA.,Department of Global Health, University of Washington, Seattle, WA, USA.,Epidemiology, University of Washington, Seattle, WA, USA
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Haese EC, Thai VC, Kahler CM. Vaccine Candidates for the Control and Prevention of the Sexually Transmitted Disease Gonorrhea. Vaccines (Basel) 2021; 9:vaccines9070804. [PMID: 34358218 PMCID: PMC8310131 DOI: 10.3390/vaccines9070804] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 07/14/2021] [Accepted: 07/17/2021] [Indexed: 11/25/2022] Open
Abstract
The World Health Organization (WHO) has placed N. gonorrhoeae on the global priority list of antimicrobial resistant pathogens and is urgently seeking the development of new intervention strategies. N. gonorrhoeae causes 86.9 million cases globally per annum. The effects of gonococcal disease are seen predominantly in women and children and especially in the Australian Indigenous community. While economic modelling suggests that this infection alone may directly cost the USA health care system USD 11.0–20.6 billion, indirect costs associated with adverse disease and pregnancy outcomes, disease prevention, and productivity loss, mean that the overall effect of the disease is far greater still. In this review, we summate the current progress towards the development of a gonorrhea vaccine and describe the clinical trials being undertaken in Australia to assess the efficacy of the current formulation of Bexsero® in controlling disease.
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