Journal articles

This section shows all the journal articles written by staff of Sigma Research. The full text of some articles can be accessed free online.

Filter by tag ----------------------- All Journal articles African Health & Sex Survey All African people in the UK All gay & bisexual men All lesbian & bisexual women All LGBT people All living with HIV ARVs for prevention Chemsex Drugs and alcohol EMIS 2010 EMIS 2017 Evaluation Gay Men's Sex Survey Hepatitis C HIV criminalisation HIV policy and practice HIV Prevention England HIV self testing HIV testing Project SIGMA Research methods Sigma Panel MSM STIs other than HIV sub Saharan Africa TRANSFORM

• Disparities in HIV/STI burden and care coverage among men and transgender persons who have sex with men in Nairobi, Kenya: a cross-sectional study
  BMJ Open, 2021; 11:e055783 (doi: 10.1136/bmjopen-2021-055783)
• Influence of Internalised Homonegativity on sexual risk behaviour of men who have sex with men in Spain
  Sexuality & Culture, published online first 27 November 2021 (doi: 10.1007/s12119-021-09925-7).
• Awareness of, willingness to take PrEP and its actual use among Belgian MSM at high risk of HIV infection: secondary analysis of the Belgian European MSM internet survey
  AIDS and Behavior, published online first 24 November 2021 (doi: 10.1007/s10461-021-03526-z).
• Experiences and challenges in sexual health service access among men who have sex with men in Kenya
  Global Public Health, published online first 10 October 2021 (doi: 10.1080/17441692.2021.1987501).
• Structural stigma and sexual minority men's depression and suicidality: A multilevel examination of mechanisms and mobility across 48 countries
  Journal of Abnormal Psychology, 2021; 130(7):713-726 (doi: 10.1037/abn0000693)
• Interventions to address loneliness and social isolation in young people: A systematic review of the evidence on acceptability and effectiveness
  Journal of Adolescence, 2021; 93:53-79 (doi: 10.1016/j.adolescence.2021.09.007)
• Der Europäische MSM Internet Survey als Grundlage für die Präventionsarbeit in Deutschland für Männer, die Sex mit Männern haben
  Bundesgesundheitsblatt - Gesundheitsforschung - Gesundheitsschutz (doi: 10.1007/s00103-021-03429-3)
• ‘Stay at home …’: exploring the impact of the COVID-19 public health response on sexual behaviour and health service use among men who have sex with men: findings from a large online survey in the UK
  Sexually Transmitted Infections, published online first 20 September 2021. (doi: 10.1136/sextrans-2021-055039).
• Examining the effects of HIV self-testing compared to standard HIV testing services in the general population: A systematic review and meta-analysis
  EClinicalMedicine, 2021; 38(August): 100991 (doi: 10.1016/j.eclinm.2021.100991).
• Accessing and utilising gender-affirming healthcare in England and Wales: trans and non-binary people’s accounts of navigating gender identity clinics
  BMC Health Services Research, 2021; 21:609 (doi: 10.1186/s12913-021-06661-4).
• Measures of HIV pre‐exposure prophylaxis uptake among gay, bisexual, and other men who have sex with men in Canada and demographic disparities among those at elevated likelihood for HIV acquisition
  AIDS and Behavior, 2021; 25:3638–3650 (doi: 10.1007/s10461-021-03336-3).
• The Long and Winding Road: Archiving and Re-Using Qualitative Data from 12 Research Projects Spanning 16 Years
  Sociological Research Online, 2021; 26(2):269-287 (doi: 10.1177/1360780420924044).
• HIV burden and correlates of infection among transfeminine persons and cisgender men who have sex with men in Nairobi: an observational study
  The Lancet HIV, 2021; 8(5): e274-e283 (doi: 10.1016/S2352-3018(20)30310-6).
• The cost‐effectiveness of case‐finding strategies for achieving hepatitis C elimination among men who have sex with men in the UK
  Journal of Viral Hepatitis, 2021; 28:897-908 (doi: 10.1111/jvh.13503).
• Potential alcohol use disorder among MSM in Ireland - Findings from the European MSM internet survey (EMIS 2017)
  Drug and Alcohol Dependence, 2021; 223: 108698 (doi: 10.1016/j.drugalcdep.2021.108698).
• An update on the performance of STI services for gay and bisexual men across European cities: results from the 2017 European MSM Internet Survey
  Sexually Transmitted Infections, 2021; 97: 201-208 (doi: 10.1136/sextrans-2020-054681).
• Changes in the prevalence of self-reported sexually transmitted bacterial infections from 2010 and 2017 in two large European samples of men having sex with men – is it time to re-evaluate STI-screening as a control strategy?
  PLoS ONE, 2021; 16(3): e0248582 (doi: 10.1371/journal.pone.0248582).
• Chemsex and diagnoses of syphilis, gonorrhoea and chlamydia among men who have sex with men in the UK: a multivariable prediction model using causal inference methodology
  Sexually Transmitted Infections, 2021; 97:282-289. (doi: 10.1136/sextrans-2020-054629).
• eHealth interventions to address sexual health, substance use, and mental health among men who have sex with men: systematic review and synthesis of process evaluations
  Journal of Medical Internet Research, 2021; 23(4): e22477 (doi:10.2196/22477).
• Impact and acceptability of HIV self-testing for trans men and trans women: A mixed-methods subgroup analysis of the SELPHI randomised controlled trial and process evaluation in England and Wales
  EClinicalMedicine, 2021; 32 (February): 100700 (doi: 10.1016/j.eclinm.2020.100).
• Theories of change for e-health interventions targeting HIV/STIs and sexual risk, substance use and mental ill health amongst men who have sex with men: systematic review and synthesis
  Systematic Reviews, 2021; 10:21 (doi: 10.1186/s13643-020-01523-2).
• Comparing the effects of HIV self-testing to standard HIV testing for key populations: a systematic review and meta-analysis
  BMC Medicine, 2020; 18:381 (doi: 10.1186/s12916-020-01835-z).
• Characteristics and sexual health service use of MSM engaging in chemsex: results from a large online survey in England
  Sexually Transmitted Infections, 2020; 96: 590-595 (doi: 10.1136/sextrans-2019-054345).
• Sexual and mental health inequalities across gender identity and sex-assigned-at-birth among men-who-have-sex-with-men in Europe: findings from EMIS-2017
  International Journal of Environmental Research & Public Health, 2020; 17(20): 7379 (doi: 10.3390/ijerph17207379).
• Online socializing among men who have sex with men and transgender people in Nairobi and Johannesburg and implications for public health‐related research and health promotion: an analysis of qualitative and respondent‐driven sampling survey data
  Journal of the International AIDS Society, 2020; 23(S6):e25603 (doi: 10.1002/jia2.25603 91).
• Monitoring the responses to hepatitis B and C epidemics in the EU/EEA Member States 2019
  ECDC Technical Report, 2020 (doi: 10.2900/034039).
• European Men-Who-Have-Sex-With-Men Internet Survey (EMIS-2017): design and methods
  Sexuality Research and Social Policy, 2020; 17:543–557 (doi: 10.1007/s13178-019-00413-0).
• Sexual risk and HIV testing disconnect in men who have sex with men (MSM) recruited to an online HIV self‐testing trial
  HIV Medicine, 2020; 21(9): 588 - 598 (doi: 10.1111/hiv.12919).
• HIV testing, care and viral suppression among men who have sex with men and transgender individuals in Johannesburg, South Africa
  PLoS ONE, 2020; 15(6): e0234384 (doi: 10.1371/journal.pone.0234384).
• Are PrEP services in France reaching all those exposed to HIV who want to take PrEP? MSM respondents who are eligible but not using PrEP (EMIS 2017)
  AIDS Care 2020; 32(2):47-56 (doi: 10.1080/09540121.2020.1739219).
• Scaling up screening and treatment for elimination of hepatitis C among men who have sex with men in the era of HIV pre-exposure prophylaxis
  EClinicalMedicine, 2020; 19: 100217 (doi.10.1016/j.eclinm.2019.11.010).
• HIV self‐testing intervention experiences and kit usability: results from a qualitative study among men who have sex with men in the SELPHI (Self‐Testing Public Health Intervention) randomized controlled trial in England and Wales
  HIV Medicine, 2020; 21(3):189-197 (doi: 10.1111/hiv.12818).
• A qualitative study of attitudes towards, typologies, and drivers of concurrent partnerships among people of black Caribbean ethnicity in England and their implications for STI prevention
  BMC Public Health, 2020; 20:188 (doi: 10.1186/s12889-020-8168-0).
• Exploring mechanisms of action: using a testing typology to understand intervention performance in an HIV self-testing RCT in England and Wales
  Int. J. Environmental Research and Public Health, 2020; 17(2):466 (doi:10.3390/ijerph17020466).
• Monitoring implementation of the Dublin Declaration on partnership to fight HIV/AIDS in Europe and Central Asia: 2018 progress report
  ECDC Technical Report, 2020 (doi: 10.2900/492423).
• Estimating the ‘PrEP Gap’: how implementation and access to PrEP differ between countries in Europe and Central Asia in 2019
  Eurosurveillance, 2019; 24(41) (doi: 10.2807/1560-7917).
• Association between knowledge, risk behaviours, and testing for sexually transmitted infections among men who have sex with men: findings from a large online survey in the United Kingdom
  HIV Medicine, 2019 Sep; 20(8):523-533 (doi: 10.1111/hiv.12753).
• Links between transactional sex and HIV/STI-risk and substance use among a large sample of European men who have sex with men.
  BMC Infectious Diseases, 2019; 19(1):686 (doi: 10.1186/s12879-019-4326-3).
• Acceptability and potential impact of delivering sexual health promotion information through social media and dating apps to MSM in England: a qualitative study
  BMC Public Health, 2019; 19:1236 (doi:10.1186/s12889-019-7558-7).
• Pilot phase of an internet-based RCT of HIVST targeting MSM and transgender people in England and Wales: advertising strategies and acceptability of the intervention
  BMC Infectious Diseases, 2019; 19: 699 (doi:10.1186/s12879-019-4247-1).
• Understanding user perspectives of and preferences for oral PrEP for HIV prevention in the context of intervention scale-up: a synthesis of evidence from sub-Saharan Africa
  Journal of the International AIDS Society, 2019 July, 22(S4):e25306 (doi: 10.1002/jia2.25306).
• Awareness of and attitudes to sexually transmissible infections among gay men and other men who have sex with men in England: a qualitative study
  Sexual Health, 2019; 16:18-24 (doi:10.1071/SH18025).
• Drug use among men who have sex with men in Ireland: Prevalence and associated factors from a national online survey
  International Journal of Drug Policy, 2019; 64:5-12 (doi: 10.1016/j.drugpo.2018.11.011).
• Use of geosocial networking applications is independently associated with diagnosis of STI among men who have sex with men testing for STIs: findings from the cross-sectional MSM Internet Survey Ireland (MISI) 2015
  Sexually Transmitted Infections 2019; 95:279-284 (doi: 10.1136/sextrans-2018-053637).
• Inequalities in HIV testing uptake and needs among men who have sex with men living in Ireland: findings from an internet survey
  HIV Medicine, 2019; 20:157-163 (doi:10.1111/hiv.12694).
• Cross-sectional analysis of chemsex drug use and gonorrhoea diagnosis among men who have sex with men in the UK
  Sexual Health, 2019, 16, 464–472 (doi:10.1071/SH18159).
• Protocol, rationale and design of SELPHI: a randomised controlled trial assessing whether offering free HIV self-testing kits via the internet increases the rate of HIV diagnosis
  BMC Infectious Diseases, 2018; 18:531 (doi:10.1186/s12879-018-3433-x).
• A qualitative assessment of the acceptability of hepatitis C remote self-testing and self-sampling amongst people who use drugs in London, UK
  BMC Infectious Diseases, 2018; 18:281 (doi:10.1186/s12879-018-3185-7).
• Typology of drug use in United Kingdom men who have sex with men and associations with socio-sexual characteristics
  International Journal of Drug Policy, 2018; 55:159–164 (doi:10.1016/j.drugpo.2018.01.007).
• The acceptability and feasibility of implementing a bio-behavioral enhanced surveillance tool for sexually transmitted infections in England: mixed-methods study
  JMIR Public Health Surveillance, 2018; 4, 4(2):e52 (doi:10.2196/publichealth.9010).
• Self-sampling kits to increase HIV testing among black Africans in the UK: the HAUS mixed-methods study
  Health Technology Assessment, 2018 April; 22(22):1-158 (doi: 10.3310/hta22220).
• Correlates and subgroups of injecting drug use in UK gay and bisexual men: Findings from the 2014 Gay Men’s Sex Survey
  Drug & Alcohol Dependence, 2018; 187:292-295 (doi:10.1016/j.drugalcdep.2018.03.014).
• Structural validation and multiple group assessment of the short internalized homonegativity scale in homosexual and bisexual men in 38 European countries: results from the European MSM internet survey
  Journal of Sex Research, 2018; 55(4-5):617-629 (doi:10.1080/00224499.2017.1380158).
• What qualities in a potential HIV pre-exposure prophylaxis service are valued by black men who have sex with men in London? A qualitative acceptability study
  International Journal of STD & AIDS, 2018; 29(8): 760–765 (doi:10.1177/0956462418755224).
• Chemsex as edgework: towards a sociological understanding
  Sexual Health, 2018; 15(2):102-107 (doi:10.1071/SH17166).
• Places and people: the perceptions of men who have sex with men concerning STI testing - a qualitative study
  Sexually Transmitted Infections, 2018; 94:46–50 (doi:10.1136/sextrans-2016-052983).
• Anti-LGBT and anti-immigrant structural stigma: an intersectional analysis of sexual minority men's HIV risk when migrating to or within Europe
  Journal of Acquired Immune Deficiency Syndromes, 2017 Dec 1; 76(4):356-366 (doi:10.1097/QAI.0000000000001519).
• Findings from within-subjects comparisons of drug use and sexual risk behaviour in men who have sex with men in England
  International Journal of STDs & AIDS, 2017, 28; 3: 250-258 (doi:10.1177/0956462416642125).
• Behavioural, not biological, factors drive the HCV epidemic among HIV-positive MSM: HCV and HIV modelling analysis including HCV treatment-as-prevention impact
  International Journal of Epidemiology, 2017; 46(5):1582–1592 (doi:10.1093/ije/dyx075).
• Risk, reassurance and routine: a qualitative study of narrative understandings of the potential for HIV self-testing among men who have sex with men in England
  BMC Public Health, 2017; 17:491 (doi:10.1186/s12889-017-4370-0).
• Motivations and values associated with combining sex and illicit drugs (‘chemsex’) among gay men in South London: findings from a qualitative study
  Sexually Transmitted Infections, 2017, 93:203-206 (doi:10.1136/sextrans-2016-052695).
• Substance use among men who have sex with men: patterns, motivations, impacts and intervention development need
  Sexually Transmitted Infections, 2017; 93(5):342-346 (doi:10.1136/sextrans-2016-052674).
• Consolidating emerging evidence surrounding HIVST and HIVSS: a rapid systematic mapping protocol
  Systematic Reviews, 2017; 6:72 (doi:10.1186/s13643-017-0452-4).
• HIV, sexual risk and ethnicity among gay and bisexual men in England: survey evidence for persisting health inequalities
  Sexually Transmitted Infections, 2017 Nov; 93(7):508-513 (doi:10.1136/sextrans-2016-052800).
• Uptake contexts and perceived impacts of HIV testing and counselling among adults in East and Southern Africa: A meta-ethnographic review
  PLoS ONE, 2017; 12(2):e0170588 (doi:10.1371/journal.pone.0170588).
• New initiatives to develop self-testing for HIV
  Current Opinion in Infectious Diseases, 2017; 30(1):50-57 (doi:10.1097/QCO.0000000000000336).
• Physical health inequalities among gay and bisexual men in England: a large community-based cross-sectional survey
  Journal of Public Health, 2017, 39(2): 290-296 (doi:10.1093/pubmed/fdw029).
• Mental health inequalities among gay and bisexual men in England, Scotland and Wales: a large community-based cross-sectional survey
  Journal of Public Health, 2017, 39(2): 266-273 (doi: 10.1093/pubmed/fdw021).
• The geography of sexual orientation: structural stigma and sexual attraction, behavior, and identity among men who have sex with men across 38 European countries
  Archives of Sexual Behavior, 2017, 46(5), 1491–1502 (doi: 10.1007/s10508-016-0819-y).
• Intimacy, support and social connectivity: experiences of HIV serodiscordant relationships among black African people living in England
  In: A Persson, S. D Hughes (Eds.) Cross Cultural Perspectives on Couples with Mixed HIV Status: Beyond Positive/ Negative. Springer, London 2017 (pp. 111-124)
• Social norms related to combining drugs and sex (“chemsex”) among gay men in South London
  International Journal of Drug Policy, 2016; 38:29–35 (doi:10.1016/j.drugpo.2016.10.007).
• Illicit drug use among gay and bisexual men in 44 cities: Findings from the European MSM Internet Survey (EMIS)
  International Journal of Drug Policy, 2016; 38:4-12 (doi:10.1016/j.drugpo.2016.09.007).
• Response to the calculation of population attributable fractions (PAFs) of risk factors for hepatitis C transmission
  AIDS, 2016, 30(10): 1683-4 (doi: 10.1097/QAD.0000000000001090).
• Determinants of never having tested for HIV among MSM in the Netherlands
  BMJ Open. 2016, 12;6(1):e009480 (doi: 10.1136/bmjopen-2015-009480).
• HIV testing history and preferences for future tests among gay men, bisexual men and other MSM in England: results from a cross-sectional study
  BMJ Open 2016; 6: e011372 (doi:10.1136/bmjopen-2016-011372).
• HIV self-testing among men who have sex with men (MSM) in the UK: A qualitative study of barriers and facilitators, intervention preferences and perceived impacts
  PLoS ONE, 2016; 11(9): e0162713 (doi:10.1371/journal.pone.0162713).
• How social representations of sexually transmitted infections influence experiences of genito-urinary symptoms and care-seeking in Britain: mixed methods study protocol
  BMC Public Health, 2016, 16:548 (doi: 10.1186/s12889-016-3261-0).
• Predictors of crystal methamphetamine use in a community-based sample of UK men who have sex with men
  International Journal of Drug Policy, 2016, 36:43–46 (doi: 10.1016/j.drugpo.2016.06.010).
• Interventions for tobacco use cessation in people living with HIV and AIDS
  Cochrane Database of Systematic Reviews 2016, Issue 6. Art. No.: CD011120. (doi: 10.1002/14651858. CD011120.pub2).
• It Starts With Me: Privacy concerns and stigma in the evaluation of a Facebook health promotion intervention
  Sexual Health, 2016, 13(3): 228-233 (doi: 10.1071/SH15231).
• Non-condom related strategies to reduce the risk of HIV transmission: Perspectives and experiences of gay men with diagnosed HIV
  Journal of Health Psychology, 2016; 21(11):2562-2571 (doi:10.1177/1359105315581066).
• Men who have sex with men in Great Britain: comparing methods and estimates from probability and convenience sample surveys
  Sexually Transmitted Infections, 2016, 92:455-463 (doi:10.1136/sextrans-2015-052389).
• Nested event-level case-control study of drug use and sexual outcomes in multipartner encounters reported by MSM by men who have sex with men
  AIDS and Behavior, 2016; 20(3): 646-654 (doi:10.1007/s10461-015-1127-6).
• An initial typology of contexts of dyadic sexual encounters between men and associations with sexual risk and pleasure: findings from an observational study
  Sexual Health, 2016; 13(3): 221-227 (doi:10.1071/SH15218).
• Factors associated with unprotected anal sex with multiple non-steady partners in the past 12 months: results from the European Men-Who-Have-Sex-With-Men Internet Survey (EMIS 2010)
  BMC Public Health, 2016, 16: 47 (doi:10.1186/s12889-016-2691-z).
• Drug use moderates associations between location of sex and unprotected anal intercourse in men who have sex with men: nested cross-sectional study of dyadic encounters with new partners
  Sexually Transmitted Infections, 2016; 92:39-43 (doi:10.1136/sextrans-2014-051954).
• Learning from the experiences of people with HIV using general practitioner services in London: a qualitative study
  Primary Health Care Research & Development, 2016, Jul;17(4):351-60 (doi:10.1017/S1463423615000481).
• Illicit drug use and its association with sexual risk behaviour among MSM: more questions than answers?
  Current Opinion in Infectious Diseases, 2016, 29(1): 58–63 (doi: 10.1097/QCO.0000000000000234).
• The HIV care cascade in Switzerland: reaching the UNAIDS/WHO targets for patients diagnosed with HIV
  AIDS, 2015; 29(18):2509–2515 (doi:10.1097/QAD.0000000000000878).
• Protocol for a systematic review: understanding the motivations and barriers to uptake and use of female-initiated, primary biomedical HIV prevention technologies in sub-Saharan Africa
  Systematic Reviews, 2015, 4:111 (doi:10.1186/s13643-015-0096-1)
• “Chemsex” and harm reduction need among gay men in South London
  International Journal of Drug Policy, 2015, 26(12): 1171–1176. (doi:10.1016/j.drugpo.2015.07.013).
• Keeping confidence: HIV and the criminal law from HIV service providers’ perspectives
  Critical Public Health, 2015, 25(4): 410-426 (doi: 10.1080/09581596.2015.1019835).
• Illicit drug use in sexual settings (‘chemsex’) and HIV/STI transmission risk behaviour among gay men in South London: findings from a qualitative study
  Sexually Transmitted Infections, 2015; 91(8): 564-8 (doi:10.1136/sextrans-2015-052052).
• Hidden from health: structural stigma, sexual orientation concealment, and HIV across 38 countries in the European MSM Internet Survey
  AIDS, 29(10): 1239–1246, 19 June 2015 (doi:10.1097/QAD.0000000000000724).
• The relationship of Internalized Homonegativity to sexual health and well-being among men in 38 European Countries who have sex with men
  Journal of Gay & Lesbian Mental Health, 2015, 19(3): 285-302 (doi:10.1080/19359705.2015.1024375).
• Transactional sex: Supply and demand among European men who have sex with men (MSM) in the context of local laws
  International Journal of Sexual Health, 2015; 27(3): 286-302 (doi: 10.1080/19317611.2014.982263).
• A systematic review of evidence to inform HIV prevention interventions among men who have sex with men in Europe
  Eurosurveillance, 2015, 20(15):pii=21096.
• Antiretroviral therapy and reasons for not taking it among men having sex with men (MSM) - Results from the European MSM Internet Survey (EMIS)
  PLoS One, 2015; 10(3):e0121047 (doi:10.1371/journal.pone.0121047).
• A scoping review and thematic analysis of social and behavioural research among HIV-serodiscordant couples in high-income settings
  BMC Public Health, 2015, 15:241 (doi:10.1186/s12889-015-1488-9).
• Poorer mental health in UK bisexual women than lesbians: evidence from the UK 2007 Stonewall Women’s Health Survey
  Journal of Public Health, 2015; 37(3): 427-37 (doi:10.1093/pubmed/fdu105).
• Pharmaceutical HIV prevention technologies in the UK: six domains for social science research
  AIDS Care, 2015, 27:6, 796-803 (doi:10.1080/09540121.2014.989484).
• Internet-based cohort study of HIV testing over 1 year among men who have sex with men living in England and exposed to a social marketing intervention promoting testing
  Sexually Transmitted Infections, 2015, 91:24-30 (doi:10.1136/sextrans-2014-051598).
• Prevalence of hepatitis C in a Swiss sample of men who have sex with men: whom to screen for HCV infection?
  BMC Public Health, 2014; 14:3 (doi:10.1186/1471-2458-14-3).
• An exploratory review of HIV prevention mass media campaigns targeting men who have sex with men
  BMC Public Health, 2014, 14:616 (doi:10.1186/1471-2458-14-616).
• What constitutes the best sex life for gay and bisexual men? Implications for HIV prevention
  BMC Public Health, 2013, 13:1083 (doi:10.1186/1471-2458-13-1083).
• Estimating the size of the MSM populations for 38 European countries by calculating the survey-surveillance discrepancies (SSD) between self-reported new HIV diagnoses from the European MSM internet survey (EMIS) and surveillance-reported HIV diagnoses among MSM in 2009
  BMC Public Health, 2013, 13:919 (doi:10.1186/1471-2458-13-919).
• Age biases in a large HIV and sexual behaviour-related internet survey among MSM
  BMC Public Health, 2013,13:826 (doi:10.1186/1471-2458-13-826).
• STI testing without HIV disclosure by MSM with diagnosed HIV infection in England: cross-sectional results from an online panel survey
  Sexually Transmitted Infections, 2013; 89(7): 602-603 (doi:10.1136/sextrans-2013-051186).
• Comparison of the performance of STI screening services for gay and bisexual men across 40 European cities: results from the European MSM Internet Survey
  Sexually Transmitted Infections, 2013, 89(7): 575-582 (doi:10.1136/sextrans-2012-050973).
• The European men-who-have-sex-with-men internet survey (EMIS): design and methods
  Sexuality Research and Social Policy, 2013, 10(4): 243-257 (doi: 10.1007/s13178-013-0119-4).
• HIV testing and HIV serostatus-specific sexual risk behaviour among men who have sex with men living in England and recruited through the internet in 2001 and 2008
  Sexuality Research and Social Policy, 2013, 10(1):15-23 (doi:10.1007/s13178-012-0106-1).
• Internalised homonegativity predicts HIV-associated risk behavior in European men who have sex with men in a 38-country cross-sectional study: some public health implications of homophobia
  BMJ Open, 2013; 3:e001928 (doi:10.1136/bmjopen-2012-001928).
• Structural and environmental factors are associated with internalised homonegativity in men who have sex with men: Findings from the European MSM Internet Survey (EMIS) in 38 countries
  Social Science & Medicine, 2013, 78: 61-69 (doi:10.1016/j.socscimed.2012.11.033).
• Prevalence of HIV among MSM in Europe: comparison of self-reported diagnoses from a large scale internet survey and existing national estimates
  BMC Public Health, 2012, 12: 978 (doi:10.1186/1471-2458-12-978).
• Problems with sex among gay and bisexual men with diagnosed HIV in the United Kingdom
  BMC Public Health 2012, 12: 916 (doi:10.1186/1471-2458-12-916).
• Drug use among men who have sex with men: Implications for harm reduction
  In C. Stoicescu (Ed.) Global State of Harm Reduction 2012. London, Harm Reduction International, 2012, pages 147-155.
• Perceptions of superinfection risk among gay men with diagnosed HIV who have unprotected anal intercourse
  International Journal of STD & AIDS, 2011, 22:190-193 (doi:10.1258/ijsa.2011.010116).
• Methamphetamine use among gay men across the UK
  International Journal of Drug Policy, 2010, 21(3): 244-246 (doi:10.1016/j.drugpo.2009.07.002)
• Illicit drug use among men who have sex with men in England and Wales
  Addiction Research & Theory, 2010, 18(1): 14-22 (doi:10.1080/16066350902770433).
• Responses to criminal prosecutions for HIV transmission among gay men with HIV in England and Wales
  Reproductive Health Matters, 2009, 17(34):135–145 (doi: 10.1016/S0968-8080(09)34475-4).
• Metal signals and labour market disadvantage: Empirical evidence on visible body piercings and gay men in the UK
  Equal Opportunities International, 2009, 28(8): 646-659 (doi: 10.1108/02610150911001689).
• Surveys and data sources on gay men’s lifestyles and socio-sexual behavior: some key concerns and issues
  Sexuality & Culture, 2009, 13(3):135–151 (doi:10.1007/s12119-009-9051-4).
• Community HIV testing for men who have sex with men: results of a pilot project and comparison of service users with those testing in genitourinary medicine clinics
  Sexually Transmitted Infections, 2009, 85:145-147 (doi: 10.1136/sti.2008.032359).
• Risky sexual behaviour in context: qualitative results from an investigation into risk factors for seroconversion among gay men who test for HIV
  Sexually Transmitted Infections, 2008, 84: 473-477 (doi:10.1136/sti.2008.031468).
• Addressing gay men’s use of methamphetamine and other substances
  Addiction Research & Theory, 2008, 16(5):417-420 (doi:10.1080/16066350802044087).
• Morality, responsibility and risk: negative gay men’s perceived proximity to HIV
  AIDS Care, 2008, 20(5): 576 - 581 (doi: 10.1080/09540120701867123).
• Homosexually active men’s views on criminal prosecutions for HIV transmission are related to HIV prevention need
  AIDS Care, 2008, 20(5):509-514 (doi:10.1080/09540120701867131).
• Sexually transmitted infections as risk factors for HIV infection among MSMs: systematic review
  Sexually Transmitted Diseases, 2008, 35(2):209 (letter) (doi:10.1097/OLQ.0b013e318164cbc3)
• Positive benefits: preventive impact of post-exposure prophylaxis awareness among those with diagnosed HIV
  Sexually Transmitted Infections, 2008, 84:92-93 (doi:10.1136/sti.2007.026211).
• Factors associated with HIV seroconversion in gay men in England at the start of the 21st century
  Sexually Transmitted Infections, 2008, 84:8-13 (doi:10.1136/sti.2007.027946).
• Reducing the length of time between HIV infection and diagnosis (Editorial)
  BMJ, 2007, 334:1329-1330 (28 June) (doi: bmj.39245.570093.BE).
• HIV-related stigma in England: experiences of gay men and heterosexual African migrants living with HIV
  Journal of Community & Applied Social Psychology, 2006, 16:472-480 (doi: 10.1002/casp.895)
• Criminal prosecutions for HIV transmission: people living with HIV respond
  International Journal of STD & AIDS, 2006, 17(5):315-318 (doi:10.1258/095646206776790114).
• HIV, sexual risk and ethnicity among men in England who have sex with men
  Sexually Transmitted Infections, 2004, 80:443-450 (doi:10.1136/sti.2004.010520).
• The needs of people with HIV in the UK: findings from a national survey
  International Journal of STDs & AIDS, 2004, 15(12):793-796 (doi:10.1258/0956462042563602).
• Messages of responsibility: HIV/AIDS prevention materials in England
  Health: An interdisciplinary Journal for the Social Study of Health, Illness and Medicine, 2002, 6(2):139-171 (doi:10.1177/136345930200600202).
• Tales from the backroom: anonymous sex and HIV risk in London’s commercial gay sex venues
  Venereology, 2000, 13(4):150-155.
• Anonymous sex among homosexually active men: implications for HIV prevention
  Venereology, 2000, 13(4):143-148.
• Sexually transmitted infection as a risk factor for homosexual HIV transmission: a systematic review of epidemiological studies
  International Journal of STDs and AIDS, 2000, 11(11):697-700 (doi:10.1258/0956462001915066).
• Gay men & HIV: community responses and personal risks
  Journal of Psychology and Human Sexuality, 1998, 10(3-4): 59-73.
• Sexual HIV risk behaviour among men who have sex with both men and women
  AIDS Care, 1998, 10(4): 463-471.
• No aggregate change in homosexual HIV risk behaviour among gay men attending the Gay Pride festivals, United Kingdom, 1993-95
  AIDS, 1996, 10(7): 771-774.
• A review of research on the nature and quality of HIV testing services: a proposal for process-based studies
  Social Science & Medicine, 1996, 42(5): 733-743.
• Survey shows unprotected sex is a common behaviour in bisexual men
  BMJ, 1995, 311: 1163-1164 (28 October)
• Evaluating AIDS prevention for men having sex with men: the West European experience
  Social and Preventive Medicine, 1994, 39(1): 547-561.
• Sexual behaviour of gay and bisexual men in eight European countries
  AIDS Care, 1994, 6(5): 533-549.
• Risking everything? Risk behaviour, behaviour change, and AIDS
  Science, 1994, Vol. 265: 341-345.
• Alcohol, AIDS and immunity
  British Medical Bulletin, 1994, 50(1): 115-123.
• Gay men as victims of non-consensual sex
  Archives of Sexual Behaviour, 1994, 23(3): 281-284.
• Should wider HIV testing be encouraged on the grounds of HIV prevention?
  AIDS Care, 1994, 6(1): 5-19
• Changes in condom use by gay men
  AIDS Care, 1993, 5(4): 439-448.
• Risk of HIV infection in homosexual men
  BMJ (British Medical Journal), 1993, 307: 681 (letter).
• Strategies in eliciting sensitive sexual information: the case of gay men
  Sociological Review, 1993, 41(3): 537-555.
• Sex role separation in sexual diaries of homosexual men
  AIDS, 1993, 7(6): 877-882.
• The testing of saliva samples for HIV-1 antibodies: reliability in a non-clinic setting
  Genito-Urinary Medicine, 1993, 69(1): 29-30.
• Safer sex maintenance among gay men: are we moving in the right direction?
  AIDS, 1993, 7: 279-280.
• No connection between alcohol use and unsafe sex among gay and bisexual men
  AIDS, 1993, 7(1): 115-119.
• Maintenance of open gay relationships: some strategies for protection against HIV
  AIDS Care, 1992, 4(4): 409-419.
• The sexual behaviour of young gay men in England and Wales
  AIDS Care, 1992, 4(3): 259-272.
• HIV infection in a cohort of homosexual and bisexual men
  BMJ (British Medical Journal), 1992, 305: 561-2.
• The structure of sexual behaviour
  Journal of Sex Research, 1992, Vol 29(1), 61-83.
• Condom use in a large cohort of homosexually active men in England and Wales
  AIDS Care, 1991, 3(1): 31-41.
• Sexual partners, penetrative sexual partners and HIV risk
  AIDS, 1991, 5: 723-728.
• Changes in sexual behaviour in a large cohort of homosexual men in England and Wales, 1988-1989
  BMJ (British Medical Journal), 1991, 302: 505-506.
• Sero-prevalence of HIV-1 infection in a cohort of homosexually active men
  Genitourinary Medicine, 1990, 66: 423-427.
• Heterosexual behaviour in a large cohort of homosexually active men in England and Wales
  AIDS Care, 1990, 2(4): 319-324.