Dr Marjorie Johnston

Dr Marjorie Johnston
MBChB, PhD, MSc (Health Services and Public Health Research), MFPH, BSc (Medical Sciences)

Research Fellow

Dr Marjorie Johnston
Dr Marjorie Johnston

Contact Details

The University of Aberdeen Room 1:172 Polwarth Building
University of Aberdeen
AB25 2ZD
Telephone: +44 1224 437913
Web Links

Twitter: @marj_cat

LinkedIn: www.linkedin.com/in/marjoriejohnston

Aberdeen Centre for Health Data Science:  https://www.abdn.ac.uk/achds


Dr Johnston carried out her medical undergraduate training at the University of Aberdeen. She also studied for an intercalated BSc degree concentrating on drug misuse in pregnant women. After graduating in 2008 she spent her first two years of medical training in Glasgow and Stirling. She returned to Aberdeen in 2010 to commence Public Health training at NHS Grampian. She studied for a MSc in Health Services Research and passed with distinction (2011). She is a Member of the Faculty of Public Health (2012).

In 2013 she successfully applied for a clinical academic fellowship from the Chief Scientist Office (Scotland). She commenced this in October 2013 at the University of Aberdeen and studied multimorbidity and resilience to multimorbidity. She is a member of the University of Aberdeen Chronic Disease Research Group and the Aberdeen Centre for Health Data Science. In November 2014 she spent three weeks at the Department of Primary care at the University of Melbourne conducting an analysis of multimorbidity's effect on self-rated health.

Since 2018, Dr Johnston has been a Public Health Research Fellow. Her focus is upon ageing, with research into renal impairment and cognitive decline, as well as qualitative work with the Aberdeen Children of the 1950s cohort members regarding views on healthy ageing. She has developed collaborations with the University of Edinburgh, the Chinese University of Hong Kong and the World Health Organization (WHO) Department of Ageing and Life Course in order to study resilient ageing. Her research interests are health inequalities, resilient ageing, chronic disease (multimorbidity), and health informatics. She has a particular interest in maximising the potential of health data science in public health research. 

She enjoys hillwalking, travelling, politics and cooking.



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  • Zhang, D, Sit, RWS, Wong, C, Zou, D, Mercer, SW, Johnston, MC & Wong, SYS 2020, 'Cohort profile: The prospective study on Chinese elderly with multimorbidity in primary care in Hong Kong', BMJ Open, vol. 10, no. 2, 027279. [Online] DOI: https://doi.org/10.1136/bmjopen-2018-027279
  • Johnston, MC, Black, C, Mercer, SW, Prescott, GJ & Crilly, MA 2020, 'Prevalence of secondary care multimorbidity in mid-life and its association with premature mortality in a large longitudinal cohort study', BMJ Open, vol. 10, no. 5, e033622, pp. 1-11. [Online] DOI: https://doi.org/10.1136/bmjopen-2019-033622
  • Butler, J, Black, C, Craig, P, Dibben, C, Dundas, R, Hilton Boon, M, Johnston, M & Popham, F 2020, 'The long-term health effects of attending a selective school: a natural experiment', BMC medicine , vol. 18, 77. [Online] DOI: https://doi.org/10.1186/s12916-020-01536-7
  • Robertson, L, Ayansina, D, Johnston, M, Marks, A & Black, C 2020, 'Urban–rural and socioeconomic status: Impact on multimorbidity prevalence in hospitalized patients', Journal of Comorbidity, vol. 10, pp. 1-11. [Online] DOI: https://doi.org/10.1177/2235042X19893470
  • Johnston, MC, Crilly, M, Black, C, Prescott, GJ & Mercer, SW 2019, 'Defining and measuring multimorbidity: a systematic review of systematic reviews', European Journal of Public Health, vol. 29, no. 1, pp. 182-189. [Online] DOI: https://doi.org/10.1093/eurpub/cky098
  • Johnston, MC, Black, C, Mercer, SW, Prescott, GJ & Crilly, M 2019, 'Impact of educational attainment on the association between social class at birth and multimorbidity in middle age in the Aberdeen Children of the 1950s cohort study', BMJ Open, vol. 9, no. 1, e024048. [Online] DOI: https://doi.org/10.1136/bmjopen-2018-024048
  • Robertson, L, Ayansina, D, Johnston, M, Marks, A & Black, C 2019, 'Measuring multimorbidity in hospitalised patients using linked hospital episode data: comparison of two measures', International Journal of Population Data Science, vol. 4, no. 1, 02. [Online] DOI: https://doi.org/10.23889/ijpds.v4i1.461
  • Johnston, MC, Marks, A, Crilly, MA, Prescott, GJ, Robertson, LM & Black, C 2015, 'Charlson index scores from administrative data and case-note review compared favourably in a renal disease cohort', European Journal of Public Health, vol. 25, no. 3, pp. 391-396. [Online] DOI: https://doi.org/10.1093/eurpub/cku238
  • Johnston, MC, Porteous, T, Crilly, MA, Burton, CD, Elliott, A, Iversen, L, McArdle, K, Murray, A, Phillips, LH & Black, C 2015, 'Physical disease and resilient outcomes: a systematic review of resilience definitions and study methods', Psychosomatics, vol. 56, no. 2, pp. 168-180. [Online] DOI: https://doi.org/10.1016/j.psym.2014.10.005
  • Soo, M, Robertson, LM, Ali, T, Clark, LE, Fluck, N, Johnston, M, Marks, A, Prescott, GJ, Smith, WCS, Black, C & GLOMMS Group 2014, 'Approaches to ascertaining comorbidity information: validation of routine hospital episode data with clinician-based case note review', BMC Research Notes, vol. 7, 253. [Online] DOI: https://doi.org/10.1186/1756-0500-7-253
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