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University of Exeter Medical School

 Nia Morrish

Nia Morrish

Postdoctoral Research Fellow in Health Economics

 01392 72 7079

 South Cloisters 1.11


South Cloisters, University of Exeter, St Luke's Campus, Heavitree Road, Exeter, EX1 2LU, UK


Nia is a Postdoctoral Research Associate in Health Economics. Her research considers the impact of loneliness on health and social care, with a particular focus on young adults. She also has interests in patient preferences and valuation of health and quality of life outcomes. Nia joined the Health Economics Group as a Graduate Trainee Assistant in 2018 assisting in a number of ongoing projects across the department. Prior to joining the team Nia completed degrees in economics alongside undertaking internships with both central and local government departments.


  • BA Economics and History, University of York (2016)
  • Graduate Diploma in Economics, University of Bristol (2017)
  • MSc Economics, University of Exeter (2018)


2018-19 - Graduate Trainee Assistant in Health Economics

2019-20 - NIHR Pre-Doctoral Fellowship

2020-22 - NIHR Health Technology Assessment

2022-23 - Postdoctoral Research Associate in Health Economics

2023-Present - Postdoctoral Research Fellow in Health Economics

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Research interests

Nia's research considers the impact of loneliness on health and social care, with a particular focus on young adults. She also has interests in patient preferences and valuation of health and quality of life outcomes. She has expeience in discrete choice experiments and economic evaluation for trials in sub-Saharan Africa, adolescent mental health, and dementia.

Research projects

2018-2019 - Graduate Trainee Assistant. Two feasibility trial-based economic evaluations and a psychometric assessment of generic preference based masures.

2019-2020 - NIHR Pre-Doctoral Fellowship. Investigating loneliness, health and unemployment: systematic reviews and observational data analysis through propensity score matching.

2020-2022 - NIHR HTA project. 'Evaluating the effectiveness and cost-effectiveness of gynaecological surveillance for women with Lynch syndrome: systematic reviews and economic evaluation'.

2022-2023 - 'A comparison of usual care versus usual care plus a smartphone self-harm prevention app (BASH) in young adolescents aged 12-17 who self-harm.'

2022-2023 - 'A randomised controlled trial to reduce the burden of malaria and curable STIs / RTIs in Zambia: the ASPIRE trial.'

2023-present - 'Dementia person aligned care team (D-PACT) - dementia support study feasibility trial.' 

2022-present - 'The clinical, social and cost effectiveness of a decision support tool to optimise community-based tailored management of sleep for people living with dementia or mild cognitive impairment and sleep disturbance TIMES –TaIlored ManagEment of Sleep.'

2023-present - 'Social Prescribing for people to Live ENjoyably with Dementia/memory problems In Daily life (SPLENDID).'

2023-present - 'A cluster randomised trial to evaluate the effectiveness of household alcohol-based handrub for the prevention of sepsis, diarrhoea and pneumonia in Ugandan infants (BabyGel).'

Research grants

  • 2019 National Institute for Health Research
    NIHR Pre-Doctoral Fellowship. Research investigated the interactions between loneliness, health and the economy. Training included causal inference, qualitative research methods, questionnaire design.

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Journal articles

Snowsill T, Coelho H, Morrish N, Briscoe S, Boddy K, Smith T, Crosbie EJ, Ryan NAJ, Lalloo F, Hulme CT, et al (In Press). Effectiveness and cost-effectiveness of gynaecological cancer surveillance in Lynch syndrome: Systematic reviews and economic evaluation. Health Technology Assessment
Morrish N, Snowsill T, Dodman S, Medina-Lara A (In Press). Preferences for genetic testing to predict risk of developing hereditary cancer: a systematic review of discrete choice experiments. Medical Decision Making
Heather A, Goodwin E, Green C, Morrish N, Ukoumunne OC, Middleton RM, Hawton A (2023). Multiple sclerosis health-related quality of life utility values from the UK MS register. Multiple Sclerosis Journal - Experimental, Translational and Clinical, 9(2). Abstract.
Morrish N, Choudhury S, Medina-Lara A (2023). What works in interventions targeting loneliness: a systematic review of intervention characteristics. BMC Public Health, 23(1). Abstract.
Morrish N, Mujica-Mota R, Medina-Lara A (2022). Understanding the effect of loneliness on unemployment: propensity score matching. BMC Public Health, 22(1). Abstract.
Morrish N, Medina-Lara A (2021). Does unemployment lead to greater levels of loneliness? a systematic review. Social Science & Medicine, 287


Morrish N, Medina-Lara A (2023). The cost of loneliness. Tackling Loneliness for a New Era of Connection. Campaign to end Loneliness International Conference. 2nd - 2nd Feb 2023.
Morrish N, Medina-Lara A (2021). Understanding the effect of loneliness on employment status. Loneliness Beyond Covid-19. Campaign to end Loneliness International Conference. 18th - 18th Nov 2021.
Morrish N, Medina-Lara A (2019). What is the impact of loneliness on paid work and unemployment in European OECD member countries?. International Health Economics Association. 13th - 17th Jul 2019.

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