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Lauckner C, Takenaka BP, Sesenu F, Brown JS, Kirklewski SJ, Nicholson E, Haney K, Adatorwovor R, Boyd DT, Fallin-Bennett K, Restar AJ, Kershaw T. Combined Motivational Interviewing and Ecological Momentary Intervention to Reduce Hazardous Alcohol Use Among Sexual Minority Cisgender Men and Transgender Individuals: Protocol for a Randomized Controlled Trial. JMIR Res Protoc 2024; 13:e55166. [PMID: 38578673 PMCID: PMC11031694 DOI: 10.2196/55166] [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: 12/05/2023] [Revised: 02/14/2024] [Accepted: 02/20/2024] [Indexed: 04/06/2024] Open
Abstract
BACKGROUND Sexual minority cisgender men and transgender (SMMT) individuals, particularly emerging adults (aged 18-34 years), often report hazardous drinking. Given that alcohol use increases the likelihood of HIV risk behaviors, and HIV disproportionately affects SMMT individuals, there is a need to test interventions that reduce hazardous alcohol use and subsequent HIV risk behaviors among this population. Ecological momentary interventions (EMIs), which use mobile phones to deliver risk reduction messages based on current location and behaviors, can help to address triggers that lead to drinking in real time. OBJECTIVE This study will test an EMI that uses motivational interviewing (MI), smartphone surveys, mobile breathalyzers, and location tracking to provide real-time messaging that addresses triggers for drinking when SMMT individuals visit locations associated with hazardous alcohol use. In addition, the intervention will deliver harm reduction messaging if individuals report engaging in alcohol use. METHODS We will conduct a 3-arm randomized controlled trial (N=405 HIV-negative SMMT individuals; n=135, 33% per arm) comparing the following conditions: (1) Tracking and Reducing Alcohol Consumption (a smartphone-delivered 4-session MI intervention), (2) Tracking and Reducing Alcohol Consumption and Environmental Risk (an EMI combining MI with real-time messaging based on geographic locations that are triggers to drinking), and (3) a smartphone-based alcohol monitoring-only control group. Breathalyzer results and daily self-reports will be used to assess the primary and secondary outcomes of drinking days, drinks per drinking day, binge drinking episodes, and HIV risk behaviors. Additional assessments at baseline, 3 months, 6 months, and 9 months will evaluate exploratory long-term outcomes. RESULTS The study is part of a 5-year research project funded in August 2022 by the National Institute on Alcohol Abuse and Alcoholism. The first 1.5 years of the study will be dedicated to planning and development activities, including formative research, app design and testing, and message design and testing. The subsequent 3.5 years will see the study complete participant recruitment, data collection, analyses, report writing, and dissemination. We expect to complete all study data collection in or before January 2027. CONCLUSIONS This study will provide novel evidence about the relative efficacy of using a smartphone-delivered MI intervention and real-time messaging to address triggers for hazardous alcohol use and sexual risk behaviors. The EMI approach, which incorporates location-based preventive messaging and behavior surveys, may help to better understand the complexity of daily stressors among SMMT individuals and their impact on hazardous alcohol use and HIV risk behaviors. The tailoring of this intervention toward SMMT individuals helps to address their underrepresentation in existing alcohol use research and will be promising for informing where structural alcohol use prevention and treatment interventions are needed to support SMMT individuals. TRIAL REGISTRATION ClinicalTrials.gov NCT05576350; https://www.clinicaltrials.gov/study/NCT05576350. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID) PRR1-10.2196/55166.
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Affiliation(s)
- Carolyn Lauckner
- Center for Health Equity Transformation, University of Kentucky, Lexington, KY, United States
| | - Bryce Puesta Takenaka
- Department of Social and Behavioral Sciences, Yale School of Public Health, New Haven, CT, United States
| | - Fidelis Sesenu
- Center for Health Equity Transformation, University of Kentucky, Lexington, KY, United States
| | - Jaime S Brown
- Center for Health Equity Transformation, University of Kentucky, Lexington, KY, United States
| | - Sally J Kirklewski
- Department of Social and Behavioral Sciences, Yale School of Public Health, New Haven, CT, United States
| | - Erin Nicholson
- Department of Social and Behavioral Sciences, Yale School of Public Health, New Haven, CT, United States
| | - Kimberly Haney
- Center for Health Equity Transformation, University of Kentucky, Lexington, KY, United States
| | - Reuben Adatorwovor
- Department of Biostatistics, University of Kentucky, Lexington, KY, United States
| | - Donte T Boyd
- College of Social Work, The Ohio State University, Columbus, OH, United States
- Center for Interdisciplinary Research on AIDS, Yale University, New Haven, CT, United States
| | - Keisa Fallin-Bennett
- Department of Family and Community Medicine, University of Kentucky, Lexington, KY, United States
| | - Arjee Javellana Restar
- Department of Social and Behavioral Sciences, Yale School of Public Health, New Haven, CT, United States
- Department of Epidemiology, Department of Health Systems and Population Health, University of Washington, Seattle, WA, United States
| | - Trace Kershaw
- Department of Social and Behavioral Sciences, Yale School of Public Health, New Haven, CT, United States
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Connolly DJ, Thayne B, Bayliss J, Hughes X, Holloway Z, O'Callaghan S, Davies E. Transgender and non-binary people's experiences with alcohol reduction in the UK: A cross-sectional study. JOURNAL OF SUBSTANCE USE AND ADDICTION TREATMENT 2024; 158:209246. [PMID: 38072383 DOI: 10.1016/j.josat.2023.209246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 12/02/2023] [Accepted: 12/04/2023] [Indexed: 12/17/2023]
Abstract
INTRODUCTION Transgender (trans) and non-binary people experience disproportionate harm from alcohol use, have a greater likelihood of developing dependence, and experience exclusion from both clinical and peer-based support systems. This study aimed to understand experiences with and preferences for alcohol reduction support among UK-based transgender and non-binary people. METHODS The study team and community stakeholders co-produced a cross-sectional survey and administered it to a purposive sample of trans and non-binary people from 1st February to 31st March 2022. The study recruited participants through social media, mailing lists, blog posts, and news articles. Participants (n = 565) had a lifetime history of alcohol use, were in one of five gender categories, and were classified as people who drink or formerly drank alcohol. Open- and closed-ended questions measured motivations for alcohol reduction and views surrounding various support modalities. RESULTS More than 15 % of the sample no longer drink alcohol and reported long-term abstinence, achieved without support, and were motivated by a loss of control over drinking behaviour and a desire to improve both physical and mental health. Mental illness, gender dysphoria, and a culture of alcohol excess were common antecedents of alcohol use. Thirty percent of participants who drink alcohol wanted to reduce their consumption. They suggested that this could be achieved with self-help tools, specialist trans and non-binary or LGBT+ services, access to both gender-affirming medical services, and sober queer social spaces. CONCLUSIONS UK-based trans and non-binary people face unique gender minority-related stressors which contribute to patterns of alcohol use that are perceived to be out of control and harmful to health. While many wanted access to self-help tools, there was interest in the availability of specialist alcohol reduction services and more inclusive general services. Conducting needs assessments to inform Needs assessments should inform the development of such services and trans-affirmative training should be mandated for all who provide support with alcohol reduction.
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Affiliation(s)
- Dean J Connolly
- Centre for Psychological Research, Oxford Brookes University, Oxford, United Kingdom; Mortimer Market Centre, Central and North West London NHS Foundation Trust, London, United Kingdom.
| | | | | | - Xan Hughes
- St George's University Hospitals NHS Foundation Trust, London, United Kingdom
| | | | | | - Emma Davies
- Centre for Psychological Research, Oxford Brookes University, Oxford, United Kingdom
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Davies EL, Ezquerra-Romano I, Thayne B, Holloway Z, Bayliss J, O'Callaghan S, Connolly DJ. Discrimination, gender dysphoria, drinking to cope, and alcohol harms in the UK trans and non-binary community. Alcohol Alcohol 2024; 59:agad060. [PMID: 37850541 DOI: 10.1093/alcalc/agad060] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 08/24/2023] [Accepted: 08/25/2023] [Indexed: 10/19/2023] Open
Abstract
Transgender (trans) and non-binary people may be at increased risk of alcohol harms, but little is known about motives for drinking in this community. This study explored the relationship between risk of alcohol dependence, experience of alcohol harms, drinking motives, dysphoria, and discrimination within a United Kingdom sample of trans and non-binary people with a lifetime history of alcohol use. A cross-sectional survey was co-produced with community stakeholders and administered to a purposive sample of trans and non-binary people from 1 February until 31 March 2022. A total of 462 respondents were included-159 identified as non-binary and/or genderqueer (identities outside the man/woman binary), 135 solely as women, 63 solely as men, 15 as another gender identity, 90 selected multiple identities. Higher levels of reported discrimination were associated with higher risk of dependence and more reported harms from drinking. Coping motives, enhancement motives, and drinking to manage dysphoria were associated with higher Alcohol Use Disorders Identification Test scores. Social, coping, and enhancement motives alongside discrimination and drinking to have sex were associated with harms. The relationship between discrimination and risk of dependence was mediated by coping motives and drinking to manage dysphoria. Further to these associations, we suggest that reducing discrimination against trans and non-binary communities might reduce alcohol harms in this population. Interventions should target enhancement motives, coping motives and gender dysphoria. Social and enhancement functions of alcohol could be replaced by alcohol free supportive social spaces.
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Affiliation(s)
- Emma L Davies
- Centre for Psychological Research, Oxford Brookes University, Headington Campus, Oxford, OX3 0PB, United Kingdom
| | - Ivan Ezquerra-Romano
- Drugs and Me, 128 City Road, London, EC1V 2NX, United Kingdom
- Institute of Cognitive Neuroscience, University College London, Alexandra House, 17-19 Queen Square, London WC1N 3AZ, United Kingdom
| | - Beth Thayne
- ClimatePartner GmbH, 59 St. -Martin-Str., Munich, Bavaria, 81669, Germany
| | - Zhi Holloway
- Adero Ltd, 71-75 Shelton St, London WC2H 9JQ, United Kingdom
| | - Jacob Bayliss
- LGBT Switchboard, 113 Queens Rd, Brighton and Hove, Brighton BN1 3XG United Kingdom
| | - Stewart O'Callaghan
- OUTpatients (formerly Live Through This), LGBTIQ+ Cancer Charity, 92-94 Wallis Road London E9 5LN, United Kingdom
| | - Dean J Connolly
- Centre for Psychological Research, Oxford Brookes University, Headington Campus, Oxford, OX3 0PB, United Kingdom
- Mortimer Market Centre, Central and North West London NHS Foundation Trust, Capper St, London WC1E 6JB, United Kingdom
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Levine EA, Sugarman DE, Rockas M, McHugh RK, Jordan C, Greenfield SF. Alcohol Treatment Access and Engagement Among Women in the USA: a Targeted Review of the Literature 2012-2022. CURRENT ADDICTION REPORTS 2023; 10:638-648. [PMID: 38505370 PMCID: PMC10948108 DOI: 10.1007/s40429-023-00515-1] [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] [Accepted: 07/28/2023] [Indexed: 03/21/2024]
Abstract
Purpose of Review The purpose of this review is to examine recent literature (2012-2022) on alcohol treatment access and engagement in women in the U.S. and propose future directions for research and clinical practice. Recent Findings A targeted literature review resulted in 27 studies encompassing screening and brief intervention (SBIRT), treatment utilization, treatment engagement, and barriers to treatment. Recent literature demonstrates overall low rates of screening and brief interventions and treatment utilization in the population with women less likely to be screened and utilize alcohol treatment. The magnitude of these gender differences varies with race/ethnicity. Extensive barriers to care include provider knowledge, structural barriers, and attitudinal barriers and these vary with service setting, gender, and race/ethnicity. Summary There is an increasing prevalence of alcohol use and Alcohol Use Disorder (AUD) in women with low rates of screening, brief treatment, treatment, and engagement which have resulted from extensive barriers to care. Possible areas of further inquiry include the impact of race/ethnicity on gender differences, improving provider and system level policies to promote SBIRT and treatment engagement and utilization, further developing digital interventions, and implementation research to investigate factors associated with optimizing effectiveness of gender-responsive and culturally tailored interventions that address the unique needs of women.
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Affiliation(s)
| | | | - Mary Rockas
- McLean Hospital
- Department of Psychiatry, Harvard Medical School
| | | | - Chloe Jordan
- McLean Hospital
- Department of Psychiatry, Harvard Medical School
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Kidd JD, Tettamanti NA, Kaczmarkiewicz R, Corbeil TE, Dworkin JD, Jackman KB, Hughes TL, Bockting WO, Meyer IH. Prevalence of substance use and mental health problems among transgender and cisgender U.S. adults: Results from a national probability sample. Psychiatry Res 2023; 326:115339. [PMID: 37429172 PMCID: PMC10528335 DOI: 10.1016/j.psychres.2023.115339] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/30/2023] [Accepted: 07/06/2023] [Indexed: 07/12/2023]
Abstract
Transgender individuals experience numerous health disparities relative to cisgender individuals. However, most transgender-health studies have focused on convenience samples with limited generalizability. This study utilized data from the 2016-2018 TransPop Study, the first national probability sample of transgender adults (n=274) with a cisgender comparison sample (n=1162). Using multivariable logistic regression, adjusted for demographics, we compared the prevalence of hazardous drinking, problematic drug use, serious psychological distress, suicidality, and non-suicidal self-injury between transgender and cisgender individuals and among transgender men (n=78), transgender women (n=120), and transgender nonbinary individuals (n=76). Among transgender individuals, 28.2% (95%CI 21.2-35.2) and 31.2% (95%CI 23.8-38.7) reported hazardous drinking and problematic drug use, respectively; 44.4% (95% CI 35.8-53.0) reported recent suicidal ideation, 6.9% (95% CI 2.3-11.5) reported a recent suicide attempt, and 21.4% (95% CI 14.5%-28.4%) reported recent non-suicidal self-injury. In their lifetime, 81.3% (95%CI 75.1-87.5) of transgender respondents had suicidal ideation, 42.0% (95%CI 34.2-49.8) had attempted suicide, and 56.0% (95% CI 48.2-63.8) reported non-suicidal self-injury. Most (81.5%; 95%CI 75.5-87.5) had utilized formal mental health care and 25.5% (95%CI 18.5-32.4) had sought informal mental health support. There were no differences in alcohol or drug-use outcomes between transgender and cisgender adults. Compared to cisgender adults, transgender adults had higher odds of serious psychological distress (aOR=3.1; 95%CI 1.7-5.7), suicidal ideation (recent: aOR=5.1, 95%CI 2.7-9.6); lifetime: aOR=6.7, 95%CI 3.8-11.7), lifetime suicide attempts (aOR=4.4, 95%CI 2.4-8.0), and non-suicidal self-injury (recent: aOR=13.0, 95%CI 4.8-35.1); lifetime: aOR=7.6, 95%CI 4.1-14.3). Transgender nonbinary adults had the highest odds for all outcomes, including substance use outcomes. Findings from these national probability samples support those of earlier convenience-sample studies showing mental health disparities among transgender adults relative to cisgender adults, with nonbinary individuals at highest risk. These findings also highlight variations in risk across sub-groups of transgender individuals.
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Affiliation(s)
- Jeremy D Kidd
- Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA; New York State Psychiatric Institute, New York, NY, USA.
| | | | | | | | - Jordan D Dworkin
- Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA; New York State Psychiatric Institute, New York, NY, USA
| | - Kasey B Jackman
- Columbia University School of Nursing, New York, NY, USA; New York Presbyterian Hospital, New York, NY, USA
| | - Tonda L Hughes
- Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA; New York State Psychiatric Institute, New York, NY, USA; Columbia University School of Nursing, New York, NY, USA
| | - Walter O Bockting
- Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA; New York State Psychiatric Institute, New York, NY, USA; Columbia University School of Nursing, New York, NY, USA
| | - Ilan H Meyer
- Williams Institute for Sexual Orientation Law and Public Policy, University of California - Los Angeles, Los Angeles, CA, USA
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Chapa Montemayor AS, Connolly DJ. Alcohol reduction interventions for transgender and non-binary people: A PRISMA-ScR-adherent scoping review. Addict Behav 2023; 145:107779. [PMID: 37348175 DOI: 10.1016/j.addbeh.2023.107779] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 05/17/2023] [Accepted: 06/14/2023] [Indexed: 06/24/2023]
Abstract
INTRODUCTION Transgender and non-binary people use more alcohol and report a greater need for help to reduce their consumption than their cisgender counterparts. They experience anticipated and enacted discrimination when seeking alcohol reduction healthcare. This study aimed to identify any alcohol reduction interventions for trans and non-binary people. METHODS A systematic scoping review was completed according to PRISMA-ScR guidelines. Following an extensive search across five databases, two independent reviewers carried out abstract screening, full-text screening, data extraction and quality assessment. Findings were synthesised narratively. RESULTS The search generated 1399 unique records. Ten texts were reviewed in full, and the final sample comprised six studies of moderate quality. Included records all reported adaptations of various psychosocial interventions including individual therapies, group therapy, a trans-affirmative clinical environment, and a specialist inpatient rehabilitation service. Four interventions resulted in alcohol reduction with modest effect size. However, the change in alcohol consumption was not statistically significant in two studies. Trans women were disproportionately investigated through the lens of HIV risk reduction. CONCLUSION Interventions developed for one population cannot be presumed effective in another, particularly those as heterogeneous as trans and non-binary communities. There is some suggestion that psychosocial interventions adapted for the needs of the trans community are effective in achieving alcohol reduction. However, it is unclear how these will fare with trans men and non-binary people and specialist interventions may be needed.
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Affiliation(s)
- Ana Sofia Chapa Montemayor
- National Addiction Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Dean J Connolly
- National Addiction Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.
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Chapa Montemayor AS, Connolly DJ. Alcohol screening tools are not validated for use with transgender and non-binary people. Addict Behav 2023; 144:107750. [PMID: 37167884 DOI: 10.1016/j.addbeh.2023.107750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 04/29/2023] [Accepted: 05/01/2023] [Indexed: 05/13/2023]
Affiliation(s)
- Ana Sofia Chapa Montemayor
- National Addiction Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Dean J Connolly
- National Addiction Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.
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Gilchrist G, Potts LC, Connolly DJ, Winstock A, Barratt MJ, Ferris J, Gilchrist E, Davies E. Experience and perpetration of intimate partner violence and abuse by gender of respondent and their current partner before and during COVID-19 restrictions in 2020: a cross-sectional study in 13 countries. BMC Public Health 2023; 23:316. [PMID: 36782157 PMCID: PMC9924203 DOI: 10.1186/s12889-022-14635-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 11/15/2022] [Indexed: 02/15/2023] Open
Abstract
BACKGROUND Intimate partner violence and abuse (IPVA) includes controlling behaviours, psychological, physical, sexual and financial abuse. Globally, surveys and emergency services have recorded an increase in IPVA since restrictions were imposed to limit COVID-19 transmission. Most studies have only included heterosexual women. METHODS Data from the Global Drug Survey (an annual, anonymous, online survey collecting data on drug use) Special Edition were analysed to explore the impact of COVID-19 on people's lives, including their intimate relationships. Five relationship groupings were created using respondents' lived gender identity: women partnered with men (46.9%), women partnered with women (2.1%), men partnered with men (2.9%), men partnered with women (47.2%), and partnerships where one or both partners were non-binary (1%). Self-reported experience and perpetration of IPVA in the past 30 days before (February) and during COVID-19 restrictions (May or June) in 2020 (N = 35,854) was described and compared for different relationship groupings using Fishers Exact Tests. Changes in IPVA during restrictions were assessed using multivariable logistic regression. RESULTS During restrictions, 17.8 and 16.6% of respondents had experienced or perpetrated IPVA respectively; 38.2% of survivors and 37.6% of perpetrators reported this had increased during restrictions. Greater proportions of non-binary respondents or respondents with a non-binary partner reported experiencing or perpetrating IPVA (p < .001) than other relationship groupings. 22.0% of respondents who were non-binary or had a non-binary partner, 19.5% of men partnered with men, 18.9% of men partnered with women, 17.1% of women partnered with women and 16.6% of women partnered with men reported experiencing IPVA. Respondents with higher psychological distress, poor coping with pandemic-related changes, relationship tension and changes (increases or increases and decreases) in alcohol consumption reported increased experience of IPVA during restrictions. CONCLUSIONS This study confirmed that IPVA can occur in all intimate relationships, regardless of gender of the perpetrator or survivor. Non-binary respondents or respondents with non-binary partners reported the highest use and experience of IPVA. Most IPVA victim support services have been designed for heterosexual, cisgender women. IPVA support services and perpetrator programmes must be tailored to support all perpetrators and survivors during the pandemic and beyond, regardless of their sexual or gender identity.
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Affiliation(s)
- Gail Gilchrist
- National Addiction Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.
| | - Laura C. Potts
- grid.13097.3c0000 0001 2322 6764Department of Biostatistics and Health Informatics, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK
| | - Dean J. Connolly
- grid.13097.3c0000 0001 2322 6764National Addiction Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK ,grid.439471.c0000 0000 9151 4584Barts Health NHS Trust, Whipps Cross University Hospital, London, UK
| | - Adam Winstock
- grid.83440.3b0000000121901201Institute of Epidemiology and Health Care, University College London, London, UK ,Global Drug Survey, London, UK
| | - Monica J. Barratt
- grid.1017.70000 0001 2163 3550Social and Global Studies Centre and Digital Ethnography Research Centre, RMIT University, Melbourne, Australia ,grid.1005.40000 0004 4902 0432National Drug and Alcohol Research Centre, UNSW Sydney, Randwick, Australia
| | - Jason Ferris
- grid.1003.20000 0000 9320 7537Centre for Health Services Research, Faculty of Medicine, The University of Queensland, Brisbane, Australia
| | - Elizabeth Gilchrist
- grid.4305.20000 0004 1936 7988School of Health in Social Sciences, University of Edinburgh, Edinburgh, UK
| | - Emma Davies
- grid.7628.b0000 0001 0726 8331Centre for Psychological Research, Faculty of Health and Life Sciences, Oxford Brookes University, Oxford, UK
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