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Conference Paper: Factors associated with group sex in heterosexual males and females attending a sexual health clinic in Melbourne, Australia.

TitleFactors associated with group sex in heterosexual males and females attending a sexual health clinic in Melbourne, Australia.
Authors
Issue Date2021
PublisherBMJ Publishing Group. The Journal's web site is located at http://www.bmj.com/
Citation
The STI & HIV 2021 World Congress: Sexual diversity and the city, Virtual Meeting, 14-17 July 2021. In BMJ, 2021, v. 97 n. Suppl. 1, p. A176, abstract no. P451 How to Cite?
AbstractBackground Group sex participation carries a higher risk of sexually transmitted infection (STI) transmission. Research on group sex has predominately analysed men who have sex with men, while there have been a small number on heterosexuals. This study aimed to explore the factors associated with group sex among heterosexuals. Methods A cross-sectional survey was conducted amongst heterosexuals aged ≥16 years attending the Melbourne Sexual Health Centre between March and April 2019. Participants completed a survey about participation in group sex, methods used to meet partners, casual and/or regular partners, and intravenous drug use (IVDU) in the previous 3 months. HIV and STI (chlamydia, gonorrhoea, syphilis) diagnoses were extracted. A multivariable logistic regression was conducted to identify the factors associated with group sex participation. Results A total of 698 participants (325 males, 373 females) were included and 4.7% (33/698) had participated in group sex in the previous 3 months. There was no difference between the proportion of males (6.5%, 21/325) and females (3.2%, 12/373) participating in group sex (p=0.198). The proportion who participated in group sex increased with age (2.1% in 16–24 years, 5.5% in 25–34 years, 7.8% in ≥35 years, ptrend=0.010). Meeting partners at sex-venues (e.g. brothel) was associated with the highest odds of participating in group sex (AOR=5.74, 95%CI:1.20–27.44), followed by dating-apps (AOR=2.99, 95%CI:1.36–6.58), friends/family (AOR=2.99, 95%CI:1.34–6.69) and social-venues (e.g. bar) (AOR=2.73, 95%CI:1.18–6.30). Group sex was strongly associated with STI positivity (AOR=6.24, 95%CI:2.41–16.13). There was no association between group sex and HIV positivity, casual and/or regular partners, or IVDU. Conclusion Heterosexuals participating in group sex had a six-fold risk of testing positive for STIs and were most likely to meet sexual partners at sex-venues. Including group sex in a sexual history is useful to determine STI risk. Safe sex messages on group sex at sex-venues would be beneficial.
DescriptionOrganised by the International Society for Sexually Transmitted Diseases Research (ISSTDR) and the International Union against Sexually Transmitted Infections World (IUSTI World)
Poster presentations - no. P451
Persistent Identifierhttp://hdl.handle.net/10722/300219
ISSN
2011 Impact Factor: 14.093

 

DC FieldValueLanguage
dc.contributor.authorConstantinou, H-
dc.contributor.authorFairley, CK-
dc.contributor.authorBradshaw, CS-
dc.contributor.authorChoi, PH-
dc.contributor.authorMaddaford, K-
dc.contributor.authorPhillips, TR-
dc.contributor.authorChow, EPF-
dc.date.accessioned2021-06-04T08:39:50Z-
dc.date.available2021-06-04T08:39:50Z-
dc.date.issued2021-
dc.identifier.citationThe STI & HIV 2021 World Congress: Sexual diversity and the city, Virtual Meeting, 14-17 July 2021. In BMJ, 2021, v. 97 n. Suppl. 1, p. A176, abstract no. P451-
dc.identifier.issn0959-535X-
dc.identifier.urihttp://hdl.handle.net/10722/300219-
dc.descriptionOrganised by the International Society for Sexually Transmitted Diseases Research (ISSTDR) and the International Union against Sexually Transmitted Infections World (IUSTI World)-
dc.descriptionPoster presentations - no. P451-
dc.description.abstractBackground Group sex participation carries a higher risk of sexually transmitted infection (STI) transmission. Research on group sex has predominately analysed men who have sex with men, while there have been a small number on heterosexuals. This study aimed to explore the factors associated with group sex among heterosexuals. Methods A cross-sectional survey was conducted amongst heterosexuals aged ≥16 years attending the Melbourne Sexual Health Centre between March and April 2019. Participants completed a survey about participation in group sex, methods used to meet partners, casual and/or regular partners, and intravenous drug use (IVDU) in the previous 3 months. HIV and STI (chlamydia, gonorrhoea, syphilis) diagnoses were extracted. A multivariable logistic regression was conducted to identify the factors associated with group sex participation. Results A total of 698 participants (325 males, 373 females) were included and 4.7% (33/698) had participated in group sex in the previous 3 months. There was no difference between the proportion of males (6.5%, 21/325) and females (3.2%, 12/373) participating in group sex (p=0.198). The proportion who participated in group sex increased with age (2.1% in 16–24 years, 5.5% in 25–34 years, 7.8% in ≥35 years, ptrend=0.010). Meeting partners at sex-venues (e.g. brothel) was associated with the highest odds of participating in group sex (AOR=5.74, 95%CI:1.20–27.44), followed by dating-apps (AOR=2.99, 95%CI:1.36–6.58), friends/family (AOR=2.99, 95%CI:1.34–6.69) and social-venues (e.g. bar) (AOR=2.73, 95%CI:1.18–6.30). Group sex was strongly associated with STI positivity (AOR=6.24, 95%CI:2.41–16.13). There was no association between group sex and HIV positivity, casual and/or regular partners, or IVDU. Conclusion Heterosexuals participating in group sex had a six-fold risk of testing positive for STIs and were most likely to meet sexual partners at sex-venues. Including group sex in a sexual history is useful to determine STI risk. Safe sex messages on group sex at sex-venues would be beneficial.-
dc.languageeng-
dc.publisherBMJ Publishing Group. The Journal's web site is located at http://www.bmj.com/-
dc.relation.ispartofBMJ-
dc.relation.ispartofThe STI & HIV 2021 World Congress, 2021-
dc.rightsBMJ. Copyright © BMJ Publishing Group.-
dc.titleFactors associated with group sex in heterosexual males and females attending a sexual health clinic in Melbourne, Australia.-
dc.typeConference_Paper-
dc.identifier.emailChoi, PH: ephchoi@hku.hk-
dc.identifier.authorityChoi, PH=rp02329-
dc.identifier.doi10.1136/sextrans-2021-sti.463-
dc.identifier.hkuros322662-
dc.identifier.volume97-
dc.identifier.issueSuppl. 1-
dc.identifier.spageA176, abstract no. P451-
dc.identifier.epageA176, abstract no. P451-
dc.publisher.placeUnited Kingdom-

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