My publications reflect the programme’s current empirical foundations in psychiatric epidemiology, linked administrative and clinical data, mental-health inequalities, neurodivergence, addiction, spatial analysis, and population health. These foundations support a wider multimodal agenda in which substantive questions determine when complementary evidence should be integrated across levels, settings, and timescales. The programme-defining outputs highlighted below are complemented by a dynamically generated view of recent work and my complete publication record from ORCID.

Programme-defining outputs

These papers illustrate the development of the main strands of my research programme and areas in which I have held substantial intellectual or analytical responsibility.

Clinical data and mental health services
Psychological Medicine · 2023

This study used routinely collected mental-health records to examine antipsychotic polypharmacy and adverse drug reactions in a large clinical population.

My contribution: First author; led the study examining prescribing and adverse outcomes using electronic health record data.

Administrative data and neurodivergence
The Lancet Child and Adolescent Health · 2022

A national school-registry study of more than seven million pupils examining autism incidence and geographic variation across England.

My contribution: Joint first author; contributed population and spatial epidemiological analysis within a large interdisciplinary collaboration.

Addiction treatment and services
PLOS ONE · 2020

A national study examining how US substance-use treatment providers responded to the opioid epidemic, including geographic and organisational variation in access to opioid agonist treatment.

My contribution: First author; led the analysis of national treatment-provider data and interpretation of variation in evidence-based treatment provision.

Mental health inequalities
International Journal for Equity in Health · 2019

A population-based study examining demographic, socioeconomic, and health inequalities in unmet need for mental-health treatment in the United States over time.

My contribution: First author; led the epidemiological analysis of repeated national survey data on inequalities in access to mental-health treatment.

Addiction, inequality, and access to care
Substance Abuse: Treatment, Prevention, and Policy · 2023

A prospective cohort study examining social deprivation and comorbid mental-health diagnosis as predictors of treatment access among people with opioid use disorder.

My contribution: Contributed expertise in psychiatric epidemiology, addiction treatment, inequalities, and quantitative analysis.

Explore my research

The timeline and filters organise my publications into broad research strands using OpenAlex topics, with curated classifications retained for the programme-defining outputs above. Open-access links are included where OpenAlex identifies an accessible copy.

Publication timeline by research strandEach point represents a peer-reviewed publication. Select a point to identify the paper.201820192020202120222023202420252026Clinical dataAdministrative dataAddictionInequalitiesPopulation health

Select a point to identify the publication.

Complete publication list

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28 publications

Peer-reviewed publications

Ponodath, G. S., Dewan, H., Saha, T., Thomas, S. S., Yang, J. C., & Connolly, D. J. (2026). Collection and Reporting of Adult Sexual Orientation and Gender Identity Data in Highly Cited Cardiovascular Research. Circulation: Population Health and Outcomes, 19(2).
DOI
Chukwusa, E., Vivaldi, G., Baecker, L., Bowerman, E., Bridge, N., Davidson, N., de la Cruz, A., Gasparrini, A., Gibbons, J., Guerry, A., Hammoud, R., Li, Y., Lu, Y., Mandle, L., Osborn, D., Rydstrom, A., Smythe, M., Stewart, R., Tognin, S., et al. (2025). A longitudinal, population-based, record-linked natural experiment on the effects of extreme heat events on mental health in urban communities: a study protocol. BMJ Open, 15(10), e099771.
DOIOpen-access copy
Roman-Urrestarazu, A., Tyson, A., Gatica-Bahamonde, G., van Kessel, R., Yang, J., Mansilla, C., Zuniga, I., Méndez-Fadol, A., Larrain, B., Garcia, R., Koch, D., Ford, T., Groot, W., Pavlova, M., & Czabanowska, K. (2025). Bayesian prevalence of autism and unmet special education needs in Chile in a sample of three million school-age children. Autism, 29(10), 2501–2512.
DOI
Dalton-Locke, C., Marston, L., Yang, J., Osborn, D., & Killaspy, H. (2025). In-patient service use before and after a mental health in-patient rehabilitation admission. BJPsych Open, 11(3).
DOI
Fekry, M. A., Kassem, L., Yang, J. C., & Azim, H. A. (2025). Social Determinants Associated With the Advanced-Stage Diagnosis of Breast Cancer. JCO Global Oncology, (11).
DOIOpen-access copy
Mahmood, R., Clery, P., Yang, J. C., Cao, L., & Dykxhoorn, J. (2025). The impact of climate change on mental health in vulnerable groups: a systematic review. BMC Psychology, 13(1).
DOIOpen-access copy
Muschialli, L., Yang, J. C., Engstrom, T., Puljevic, C., Beltazar, E., Beltazar, E., Siddique, O., Ferris, J., & Connolly, D. J. (2024). Sexualized drug use and chemsex: A bibliometric and content analysis of published literature. Journal of Psychoactive Drugs, 57(3), 321–332.
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Yang, J. C., Thygesen, J. H., Werbeloff, N., Hayes, J. F., & Osborn, D. P. J. (2022). Antipsychotic polypharmacy and adverse drug reactions among adults in a London mental health service, 2008–2018. Psychological Medicine, 53(9), 4220–4227.
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Adams, E. A., Yang, J. C., O’Donnell, A., Minot, S., Osborn, D., & Kirkbride, J. B. (2023). Investigating social deprivation and comorbid mental health diagnosis as predictors of treatment access among patients with an opioid use disorder using substance use services: a prospective cohort study. Substance Abuse Treatment, Prevention, and Policy, 18(1).
DOIOpen-access copy
Kudenga, R., Vorster, M., & Yang, J. (2023). Knowledge and attitude of adolescents regarding e-cigarettes: A scoping review. South African Dental Journal, 78(08), 383–393.
DOIOpen-access copy
Connolly, D. J., Coduri-Fulford, S., Tugulu, C., Yalew, M., Moss, E., & Yang, J. C. (2024). Sexual Orientation and Gender Identity Reporting in Highly Cited Current Alcohol Research. LGBT Health, 11(5), 340–347.
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Roman-Urrestarazu, A., Yang, J. C., van Kessel, R., Warrier, V., Dumas, G., Jongsma, H., Gatica-Bahamonde, G., Allison, C., Matthews, F. E., Baron-Cohen, S., & Brayne, C. (2022). Autism incidence and spatial analysis in more than 7 million pupils in English schools: a retrospective, longitudinal, school registry study. The Lancet Child & Adolescent Health, 6(12), 857–868.
DOIOpen-access copy
Ifeagwu, S. C., Yang, J. C., Parkes-Ratanshi, R., & Brayne, C. (2021). Health financing for universal health coverage in Sub-Saharan Africa: a systematic review. Global Health Research and Policy, 6(1).
DOIOpen-access copy
Neicun, J., Yang, J. C., Shih, H., Nadella, P., van Kessel, R., Negri, A., Czabanowska, K., Brayne, C., & Roman-Urrestarazu, A. (2021). Correction: Lifetime prevalence of novel psychoactive substances use among adults in the USA: Sociodemographic, mental health and illicit drug use correlates. Evidence from a population-based survey 2007–2014. Plos One, 16(4), e0251006.
DOIOpen-access copy
Rosner, B., Neicun, J., Yang, J. C., & Roman-Urrestarazu, A. (2021). Substance use among sexual minorities in the US – Linked to inequalities and unmet need for mental health treatment? Results from the National Survey on Drug Use and Health (NSDUH). Journal of Psychiatric Research, 135, 107–118.
DOIOpen-access copy
Neicun, J., Yang, J. C., Shih, H., Nadella, P., van Kessel, R., Negri, A., Czabanowska, K., Brayne, C., & Roman-Urrestarazu, A. (2020). Lifetime prevalence of novel psychoactive substances use among adults in the USA: Sociodemographic, mental health and illicit drug use correlates. Evidence from a population-based survey 2007–2014. Plos One, 15(10), e0241056.
DOI
Yang, J. C., Roman-Urrestarazu, A., & Brayne, C. (2020). Responses among substance abuse treatment providers to the opioid epidemic in the USA: Variations in buprenorphine and methadone treatment by geography, operational, and payment characteristics, 2007-16. Plos One, 15(3), e0229787.
DOIOpen-access copy
Roman-Urrestarazu, A., Yang, J., Robertson, R., McCallum, A., Gray, C., McKee, M., & Middleton, J. (2019). Brexit threatens the UK’s ability to tackle illicit drugs and organised crime: What needs to happen now? Health Policy, 123(6), 521–525.
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Yang, J. C., Roman-Urrestarazu, A., McKee, M., & Brayne, C. (2019). Demographic, socioeconomic, and health correlates of unmet need for mental health treatment in the United States, 2002–16: evidence from the national surveys on drug use and health. International Journal for Equity in Health, 18(1).
DOIOpen-access copy
Yang, J. C., Roman-Urrestarazu, A., & Brayne, C. (2019). Differences in receipt of opioid agonist treatment and time to enter treatment for opioid use disorder among specialty addiction programs in the United States, 2014-17. Plos One, 14(12), e0226349.
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Neicun, J., Steenhuizen, M., van Kessel, R., Yang, J. C., Negri, A., Czabanowska, K., Corazza, O., & Roman-Urrestarazu, A. (2019). Mapping novel psychoactive substances policy in the EU: The case of Portugal, the Netherlands, Czech Republic, Poland, the United Kingdom and Sweden. Plos One, 14(6), e0218011.
DOIOpen-access copy
Rosner, B., Neicun, J., Yang, J. C., & Roman-Urrestarazu, A. (2019). Opioid prescription patterns in Germany and the global opioid epidemic: Systematic review of available evidence. Plos One, 14(8), e0221153.
DOIOpen-access copy
Yang, J. C., Roman-Urrestarazu, A., & Brayne, C. (2018). Binge alcohol and substance use across birth cohorts and the global financial crisis in the United States. Plos One, 13(6), e0199741.
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Roman-Urrestarazu, A., Robertson, R., Yang, J., McCallum, A., Gray, C., McKee, M., & Middleton, J. (2018). European Monitoring Centre for Drugs and Drug Addiction has a vital role in the UK’s ability to respond to illicit drugs and organised crime. Bmj, k4003.
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Roman-Urrestarazu, A., Yang, J. C., Ettelt, S., Thalmann, I., Seguel Ravest, V., & Brayne, C. (2018). Private health insurance in Germany and Chile: two stories of co-existence, segmentation and conflict. International Journal for Equity in Health, 17(1).
DOIOpen-access copy
Connolly, D., Bausas, E., Cullinan, R., & Yang, J. (2026). LGBTQ+ inclusion in local authority public health: a review of needs assessments in England. Perspectives in Public Health.
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Book chapters

Prilutskaya, M., Yang, J. C., & Roman-Urrestarazu, A. (2018). Synthetic Cannabinoids, Opioids, and Polydrug Use. Handbook of Novel Psychoactive Substances, 169–184.
DOI

Preprints

Yang, J. C., Thygesen, J. H., Werbeloff, N., Kelsey, D., Merlande, D., Hayes, J., & Osborn, D. P. (2023). The effects of community treatment orders (CTOs) on readmission to hospital using electronic health records.
DOIOpen-access copy