Publications

Peer-reviewed publications

Yu Y, Dykxhoorn J, Plackett R. The impact of different types of social media use on the mental health of UK adults: longitudinal observational study. Journal of Medical Internet Research: 2024; Nov. Pre-print.

Dotsikas K, McGrath M, Osborn DPJ, Walters K, Dykxhoorn J. Exploring the impact of ‘hostile environment’ policies on psychological distress of ethnic groups in the UK: a difference-in-differences analysis. Social Psychiatry and Psychiatric Epidemiology: 2024; Jul. Code. Pre-print.

Burr L, Dykxhoorn J, Hollander A-C, Dalman C, Kirkbride J.B. Refugee status and the incidence of affective psychotic disorders and non-psychotic bipolar disorder: A register-based cohort study of 1.3m people in Sweden. Journal of Affective Disorders: 2024; May 352: 43-60.

Jeffery A, Gascoigne C, Dykxhoorn J, Blangiardo M, Geneletti S, Biao G, Kirkbride J.B. The effect of immigration policy reform on mental health in people from minoritised ethnic groups in England: an interrupted time series analysis of longitudinal data for the UK Household Longitudinal Study cohort. Lancet Psychiatry 2024: Mar 11(3): 183-192.

Kirkbride J.B., Anglin D.M., Colman I, Dykxhoorn J, Jones P.B., Patalay P, Pitman A, Soneson E, Steare T, Wright T, Griffiths S.L. The social determinants of mental health and disorder: evidence, prevention and recommendations World Psychiatry 2024; Feb 23(1): 58-90.

Logeswaran Y, Dykxhoorn J, Dalman C, Kirkbride J.B. Life course trajectories of neighborhood social deprivation and population density before and after first diagnosis of psychotic disorders: a nested case-control study in Sweden. JAMA Psychiatry 2023; Sept 6:e233220.

Dykxhoorn J, Osborn D, Walters K, Kirkbride J.B., Lazzarino, A. Temporal patterns in the recorded annual incidence of common mental disorders over two decades in the United Kingdom: A primary care cohort study. Psychological Medicine 2023; Aug:1-12. Protocol.

Pinfold V, Thompson R, Lewington A, Samuel G, Jayacodi S, Vadgama A, Fischer L.E., Jones O, Crawford A, Dykxhoorn J, Kidger J, Duncan, F, Oliver E.J. Public perspectives on inequality and mental health: A peer research study. Health Expectations 2023;1-15.

Dotsikas K, Crosby L, McMunn A, Walters K, Dykxhoorn J. The gender dimensions of mental health during the Covid-19 pandemic: a path analysis. PLoS One 2023;18(5).

Dykxhoorn J, Osborn D, Fischer L, Kirkbride JB, Troy D, Walters K. Measuring social exclusion and its distribution in England. Soc Psychiatry Psychiatr Epidemiol 2023 May. Protocol.

Plackett R, Sheringham J, Dykxhoorn J. The longitudinal impact of social media use on UK adolescents’ mental health: longitudinal observational study. J Med Internet Res 2023;25.

Dykxhoorn J, Fischer L, Bayliss B, Brayne C, Crosby L, Galvin B, Geijer-Simpson E, Jones O, Lafortune L Michael M, Jones O, Kaner E, Moehring P, Osborn D, Petermann M, Remes O, Vadgama A, Walters K. Conceptualising public mental health: development of a conceptual framework for public mental health. BMC Public Health. 2022 Jul;22.

Spyridonidis S, Dykxhoorn J, Hollander A-C, Dalman C, Kirkbride JB. Neighborhood-level predictors of age-at-first-diagnosis of psychotic disorders: A Swedish register-based cohort study. Schiz Bull Open 2022 Jan;3(1).

Sörberg Wallin A, Sjöqvist H, Dehara M, Wells MB, Dykxhoorn J, Kosidou K, Dalman C. Parenthood and lower risk of suicide in women and men: the total Swedish population followed across adulthood. Soc Psychiatry Psychiatr Epidemiol. 2022.

Dotsikas K, Osborn D, Walters K, Dykxhoorn J. Trajectories of housing affordability and mental health problems: a population-based cohort study. Soc Psychiatry Psychiatr Epidemiol. 2022 June. Protocol

Lee C, Kuhn I, McGrath M, Remes O, Cowan A, Duncan F, Baskin C, Oliver EJ, Osborn D, Dykxhoorn J, Kaner E, Walters K, Kirkbride JB, Gnani S, Lafortune L. A systematic scoping review of community-based interventions for the prevention of mental ill-health and the promotion of mental health in older adults in the UK. Health & Social Care in the Community. 2022 Jan;30(1):27-57.

Duncan F, Baskin C, McGrath M, Coker JF, Lee C, Dykxhoorn J, Adams EA, Gnani S, Lafortune L, Kirkbride JB, Kaner E, Jones O, Samuel G, Walters K, Osborn D, Oliver EJ. Community interventions for improving adult mental health: mapping local policy and practice in England. BMC Public Health. 2021 Sept: 21(1691).

Dykxhoorn J, Hayes J, Ashok K, Sörberg Wallin A, Dalman C. Objective and subjective neighbourhood characteristics and suicidality: a multilevel analysis. Psychological Medicine. 2021 July 7; 1-10. Protocol.

Stafford J, Dykxhoorn J, Sommerland A, Dalman C, Kirkbride JB, Howard R. Association between risk of dementia and very late schizophrenia-like psychosis: a Swedish population-based cohort study. Psychological Medicine. 2021 May 25; 1-9

McGrath M, Duncan F, Dotsikas K, Baskin C, Crosby L, Gnani S, Hunter R, Kaner E, Kirkbride JB, Lafortune L, Lee C, Oliver EJ, Walters K, Osborn D, Dykxhoorn J. Community interventions for the mental health of working-age adults experiencing financial uncertainty: a state-of-the-art review. Journal of Epidemiology and Community Health. 2021 Apr 30;75(7):665-673.

Baskin C, Zijlstra G, McGrath M, Lee C, Duncan F, Oliver EJ, Osborn D, Dykxhoorn J, Kaner E, Lafortune L, Walters K, Kirkbride JB, Gnani S. Community-centred interventions for improving public mental health among adults from minority ethnic populations in the United Kingdom: a scoping review. BMJ Open. 2021 April; 11(4).

Terhune J, Dykxhoorn J, Mackay E, Hollander A-C, Dalman C, Kirkbride JB. Migrant status and risk of compulsory admission at first diagnosis of psychotic disorder: a population-based cohort study in Sweden. Psychol Med. 2022 Jan;52(2):362-371.

Dykxhoorn J, Lewis G, Hollander A-C, Kirkbride JB, Dalman C. Association of neighbourhood migrant density and subsequent risk of non-affective psychosis: a national, longitudinal cohort study. Lancet Psych. 2020 Apr 02;7(4): P327-336.

Lewis G, Dykxhoorn J, Karlsson H, Khandaker GM, Lewis G, Dalman C, Kirkbride JB. The influence of IQ on associations between population density, deprivation and non-affective psychosis: a population-based cohort study of Swedish men. JAMA Psych. 2020 Jul 1;77(7):729-736.

Harris S*, Dykxhoorn J*, Hollander A-C, Dalman C, Kirkbride JB. A nationwide study of the incidence of substance use disorders in refugee and migrant groups in Sweden: a cohort study of 1.2 million people. PloS Medicine. 2019 Nov; 16(11). *Joint first author

Dykxhoorn J, Hollander A-C, Lewis G, Dalman C, Kirkbride JB. Family networks during migration and risk of non-affective psychosis: a population-based cohort study. Schizophr Res. 2019 Jun;208:268-275.

Dykxhoorn J, Hollander A-C, Lewis G, Magnusson C, Dalman C, Kirkbride JB. Risk of schizophrenia, schizoaffective, and bipolar disorders by migrant status, region of origin, and age-at-migration: A national cohort study of 1.8 million people. Psychol Med. 2019 Oct;49(14):2354-2363.

Dykxhoorn J, Hatcher S, Gagnon M-H, Colman I. Early life predictors of adolescent suicidal thoughts and adverse outcomes in two population-based cohort studies. PLoS One. 2017 Aug 10;12(8):e0183182.

Orpana H, Vachon J, Dykxhoorn J, Jayaraman G. Measuring positive mental health in Canada: construct validation of the Mental Health Continuum-Short Form. Health Promotion and Chronic Disease Prevention in Canada. 2017 Apr; 37(4): 123-130.

Pelletier L, O’Donnell S, Dykxhoorn J, McRae L, Patten SB. Under-diagnosis of mood disorders in Canada. Epidemiology and Psychiatric Sciences. 2017 Aug;26(4):414-423.

Kingsbury M, Weeks M, Mahedy L, Dykxhoorn J, Colman I. Stressful life events during pregnancy and offspring depression: Evidence from a prospective cohort study. J Am Acad Child Adolesc Psychiatry. 2016 Aug;55(8):709-716.

Martin MS, Dykxhoorn J, Afifi TO, Colman I. Child abuse and the prevalence of suicide attempts among those reporting suicide ideation. Social Psychiatry and Psychiatric Epidemiology. 2016 Nov; 51(11): 1477-1484.

Shields M, Pelletier C, Dykxhoorn J, Tonmyr L, McRae L, O’Donnell S, Hovdestad W. Childhood maltreatment as a risk factor for diabetes: Findings from a representative sample of Canadian adults. BMC Public Health, 2016; 16(1): 879.

Orpana H, Vachon J, Dykxhoorn J, McRae L, Jayaraman G. Monitoring positive mental health and it’s determinants in Canada: The development of the Positive Mental Health Surveillance Indicator Framework. Health Promotion and Chronic Disease Prevention in Canada. 2016 Jan; 36(1): 1-10.

Colman I, Kingsbury M, Weeks M, Ataullahjan A, Belair M, Dykxhoorn J, Hynes K, Loro A, Martin M, Naicker K, Pollock N, Rusu C, Kirkbride J. Casualties in animated recreational theatre in an objective observational new study of kids’ introduction to loss of life: The CARTOONS_KILL Study. British Medical Journal. 2014; 349: g7184.

McMartin S, Kingsbury M, Dykxhoorn J, Colman I. Time trends in symptoms of adolescent mental illness: Findings from a national survey of Canadians. Canadian Medical Association Journal. 2014 Dec 9; 186(18): 672-678.

Commentaries

Dykxhoorn J, Rich N, Martínez-Alés G, Pitman A. Hiding in plain sight: ethnic and migrant variations in suicide. Lancet Psychiatry. 2024 Aug; 11(8): 577-578.

Oduola S & Dykxhoorn J. Triple trauma, double uncertainty, and a singular imperative to address the mental health crises within asylum-seekers and refugees system: a commentary on Hvidtfeldt et al. (2021). Soc Psych and Psych Epi. 2022 Jun 17.

Dykxhoorn J, Kirkbride JB. Psychoses sans frontieres: towards an interdisciplinary understanding of psychosis risk amongst migrants and their descendants. Epidemiol Psychiatr Sci. 2019 Apr;28(2):146-152.

Book chapters

Dykxhoorn J, Kirkbride JB. The epidemiological burden of major psychiatric disorders. Oxford Textbook of Public Mental Health. Bhugra D et al (eds.). 2017.

Solmi F, Dykxhoorn J, Kirkbride JB. Urban-rural differences in major mental health conditions. Mental Health and Illness in the City. Mental Health and Illness Worldwide 1. P. Munk-Jorgensen et al (eds.). 2017.

Protocols, preprints, and code

Find pre-registered protocols and pre-print versions of my research on Open Science Framework. Code and other resources can be found on Github

Reports, resources, & technical documents

Public Mental Health Programme (2021). Conceptual framework for public mental health. NIHR School for Public Health Research: London, UK.

Public Health Agency of Canada (2015). Measuring positive mental health in Canada. PHAC: Ottawa, ON. .

Physical Activity Network (2013). Active transportation: About active transportation. Prepared for the Physical Activity Network: Pembroke, ON.

Physical Activity Network (2013). Active transportation: Economic development. Prepared for the Physical Activity Network: Pembroke, ON.

Physical Activity Network (2013). Active transportation: Active community checklist. Prepared for the Physical Activity Network: Pembroke, ON.

Dykxhoorn J, Orpana H, Vachon J. (2014) Positive mental health surveillance indicator framework: Children and youth measures consultation summary. Public Health Agency of Canada: Ottawa, ON.

Orpana H, Dykxhoorn J. Vachon, J. (2014) Positive mental health surveillance indicator framework: Measures consultation summary. Public Health Agency of Canada: Ottawa, ON.

Dykxhoorn J. (2013). HIV testing for women in Canada: Literature review. Prepared for Dr. Lynne Leonard, Ottawa.

Dykxhoorn J, Robertson E. (2012). No more accidents! Call it what it is…: Campaign final report. Renfrew County and District Health Unit: Pembroke, ON. Presented to the Renfrew County and District Board of Health, February 21, 2012.

Dykxhoorn J, Mann, T. (2012). Falls prevention action plan. Renfrew County and District Health Unit: Pembroke, ON.

Dykxhoorn J. (2011). Photovoice youth participatory action research project final report. Renfrew County and District Health Unit: Pembroke, ON. Presented to the Renfrew County and District Board of Health: December 6, 2011.

OxyContin Committee (2011). The buzz can take your breath away…permanently: OxyContin awareness campaign report. Renfrew County and District Health Unit: Pembroke, ON.

Dykxhoorn J. (2010). GreenAccess: Growing a healthy community. Rationale and literature review of the Green Roof Community Garden Project at AccessPoint on Danforth. Access Alliance Multicultural Health and Community Services: Toronto, ON.

Dykxhoorn J. (2009). Crescent Town review and recommendations. Prepared for Crescent Town Services Council: Toronto, ON.

Workplace Health Task Group (2011). Comprehensive workplace wellness guide. Renfrew County and District Health Unit: Pembroke, ON.