Mary Barker

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About me

I am a postdoctoral researcher in the Unit of Integrative Epidemiology. My current research focuses on associations between mental illness and infectious disease (e.g. COVID-19, HPV). I have been conducting psychiatric epidemiological research using electronic healthcare data since the start of my PhD, during which I researched anxiety and depression among children and young people with life-limiting conditions. My first postdoctoral research position at the University of Leicester, UK, focused on young-onset type 2 diabetes and it's association with psychiatric and physical morbidity and mortality.

Education:
PhD in Health Sciences (2021), University of York, UK
MPH in Public Health (2017), Imperial College, London, UK
BSc in Biology (2012), University of Bath, UK

Articles

Article: DIABETES RESEARCH AND CLINICAL PRACTICE. 2025;220:112002
Burden of vascular risk factors by age, sex, ethnicity and deprivation in young adults with and without newly diagnosed type 2 diabetes
Goldney J; Barker MM; Sargeant JA; Daynes E; Papamargaritis D; Shabnam S; Goff LM; Khunti K; Henson J; Davies MJ; Zaccardi F
Article: JOURNAL OF DIABETES AND ITS COMPLICATIONS. 2024;38(10):108849
Age at onset of type 2 diabetes and prevalence of vascular disease and heart failure: Systematic review and dose-response meta-analysis
Goldney J; Barker MM; Thomas M; Slater T; Mickute M; Sargeant JA; Khunti K; Davies MJ; Zaccardi F
Article: NATURE COMMUNICATIONS. 2024;15(1):8124
Mental illness and COVID-19 vaccination: a multinational investigation of observational & register-based data
Barker MM; Koiv K; Magnusdottir I; Milbourn H; Wang B; Du X; Murphy G; Herweijer E; Gisladottir EU; Li H; Lovik A; Kahler AK; Campbell A; Feychting M; Hauksdottir A; Joyce EE; Thordardottir EB; Frans EM; Hoffart A; Magi R; Tomasson G; Asbjornsdottir K; Jakobsdottir J; Andreassen OA; Sullivan PF; Johnson SU; Aspelund T; Brandlistuen RE; Ask H; McCartney DL; Ebrahimi OV; Lehto K; Valdimarsdottir UA; Nyberg F; Fang F
Article: LANCET PUBLIC HEALTH. 2024;9(9):E674-E683
The role of mental illness and neurodevelopmental conditions in human papillomavirus vaccination uptake within the Swedish school-based vaccination programme: a population-based cohort study
Hu K; Barker MM; Herweijer E; Wang J; Feldman AL; Lu D; Valdimarsdottir U; Sundstrom K; Fang F
Article: DIABETES CARE. 2023;46(11):1965-1972
Age at Type 2 Diabetes Diagnosis and Cause-Specific Mortality: Observational Study of Primary Care Patients in England
Barker MM; Davies MJ; Sargeant JA; Chan JCN; Gregg EW; Shabnam S; Khunti K; Zaccardi F
Article: JMIR DIABETES. 2023;8:e44943
User Retention and Engagement in the Digital-Based Diabetes Education and Self-Management for Ongoing and Newly Diagnosed (myDESMOND) Program: Descriptive Longitudinal Study
Barker MM; Chauhan R; Davies MJ; Brough C; Northern A; Stribling B; Schreder S; Khunti K; Hadjiconstantinou M
Article: PEDIATRIC RESEARCH. 2023;93(7):2081-2090
Incidence of anxiety and depression in children and young people with life-limiting conditions
Barker MM; Beresford B; Fraser LK
Article: DIABETES-METABOLISM RESEARCH AND REVIEWS. 2023;39(3):e3604
Optimizing Ramadan fasting: A randomised controlled trial for people with type 2 diabetes during Ramadan applying the principles of the ADA/EASD consensus.
Ibrahim M; Barker MM; Ahmad E; Ahmed A; Annabi FA; Ba-Essa EM; Davies MJ; Houeiss P; Iraqi H; Masood SN; Mimouni-Zerguini S; Shaikh S; Tantawi H; Tuomilehto J
Article: DIABETES CARE. 2023;46(3):579-586
Age at Diagnosis of Type 2 Diabetes and Depressive Symptoms, Diabetes-Specific Distress, and Self-Compassion
Barker MM; Davies MJ; Zaccardi F; Brady EM; Hall AP; Henson JJ; Khunti K; Lake A; Redman EL; Rowlands AV; Speight J; Yates T; Sargeant JA; Hadjiconstantinou M
Article: BMC HEALTH SERVICES RESEARCH. 2023;23(1):199
Change in glycaemic control with structured diabetes self-management education in urban low-resource settings: multicentre randomised trial of effectiveness.
Lamptey R; Amoakoh-Coleman M; Barker MM; Iddi S; Hadjiconstantinou M; Davies M; Darko D; Agyepong I; Acheampong F; Commey M; Yawson A; Grobbee DE; Adjei GO; Klipstein-Grobusch K
Article: WORLD JOURNAL OF DIABETES. 2022;13(3):260-271
Age at diagnosis of type 2 diabetes and cardiovascular risk factor profile: A pooled analysis
Barker MM; Zaccardi F; Brady EM; Gulsin GS; Hall AP; Henson J; Htike ZZ; Khunti K; McCann GP; Redman EL; Webb DR; Wilmot EG; Yates T; Yeo J; Davies MJ; Sargeant JA
Article: DATA IN BRIEF. 2019;23:103761
Processed data on the night-time use of screen-based media devices and adolescents' sleep quality and health-related quality of life.
Mireku MO; Barker MM; Mutz J; Shen C; Dumontheil I; Thomas MSC; Röösli M; Elliott P; Toledano MB
Article: ENVIRONMENT INTERNATIONAL. 2019;124:66-78
Night-time screen-based media device use and adolescents' sleep and health-related quality of life
Mireku MO; Barker MM; Mutz J; Dumontheil I; Thomas MSC; Roeoesli M; Elliott P; Toledano MB

All other publications

Review: DIABETIC MEDICINE. 2023;40(6):e15083
Impact of novel glucose-lowering therapies on physical function in people with type 2 diabetes: A systematic review and meta-analysis of randomised placebo-controlled trials.
Ahmad E; Arsenyadis F; Almaqhawi A; Barker M; Jobanputra R; Sargeant JA; Webb DR; Yates T; Davies MJ
Preprint: MEDRXIV. 2023
Mental health, gender, and care-seeking behavior during the COVID-19 pandemic in Sweden: An exploratory study
Vincze K; Murphy G; Barker M; González-Hijón J; Kähler A; Frans E; Sullivan P; Valdimarsdóttir U; Fang F; Lovik A
Conference publication: DIABETIC MEDICINE. 2023;40
User retention and engagement in a digital type 2 diabetes self-management education programme
Barker M; Chauhan R; Davies MJ; Brough C; Northern A; Stribling B; Schreder S; Khunti K; Hadjiconstantinou M
Letter: DIABETIC MEDICINE. 2021;38(5):e14551
Improved diabetes-related distress and self-efficacy outcomes in a self-management digital programme for people with type 2 diabetes, myDESMOND
Hadjiconstantinou M; Barker MM; Brough C; Schreder S; Northern A; Stribling B; Khunti K; Davies MJ
Review: PLOS ONE. 2021;16(12):e0260788
The association between socioeconomic disadvantage and children's working memory abilities: A systematic review and meta-analysis
Mooney KE; Prady SL; Barker MM; Pickett KE; Waterman AH
Review: JAMA PEDIATRICS. 2019;173(9):835-844
Prevalence and Incidence of Anxiety and Depression Among Children, Adolescents, and Young Adults With Life-Limiting Conditions: A Systematic Review and Meta-analysis
Barker MM; Beresford B; Bland M; Fraser LK

Employments

Postdoctoral Researcher, Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, 2025-2026
Postdoctoral Researcher, Institute of Environmental Medicine, Karolinska Institutet, 2022-2026

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