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Long COVID and the physical and mental health of children and young people during the pandemic: the CLoCK study , - Ref:1881849

   Division of Surgery & Interventional Science

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  Dr Snehal Pinto Pereira  No more applications being accepted  Funded PhD Project (UK Students Only)

About the Project

A 3-year PhD studentship is available at the UCL Division of Surgery and Interventional Science. The funding covers an annual tax-free stipend (between £17,000 and £18,000 p.a.), tuition fees at the UK rate and a flexible annual £2k consumables budget (for training, conference attendance etc). 

The stipends awarded to PhD students are tax free and incur no income tax or national insurance contributions. The successful candidate will be based in the Research Department of Targeted Intervention and will interact closely with academics at the UCL Great Ormond Street Institute of Child Health.

Studentship Description

Little is known about long-COVID in adults, less is known about it in children and young people (CYP). In CYP we do not know how to diagnose it, how common it is or how long it goes on for. If we want to treat it, we need to know more about it.

We are currently undertaking a study on children and young people with Long Covid (CLoCk). We are asking over 100,000 CYP (aged 11-17), half of whom we know had a COVID positive test result, whether they still have physical and mental health problems at 3, 6, 12 and 24 months after their test, using several online questionnaires. Data is currently available from the 3 and 6 month questionnaires (12 month data will be available shortly after the start of the studentship). This information can be used to address our overarching aim of comparing responders who had a positive COVID test with responders who tested negative. There is a wealth of data, and several projects can be undertaken (see Studentship Description for some examples).

More details on the study can be found in the freely available publications here and here

Depending on the student’s interest and skills, several different projects can be explored. For example, the student can examine whether the physical and mental health symptoms at 3, 6 and 12 months post COVID test differ by ethnicity or socioeconomic status. The student can also explore the loss and representativeness of the CLoCk cohort at each data collection time point. There may also be opportunities to examine the cohort in relation to routinely collected data. The student will develop skills in handling data from a large population cohort study and gain understanding of epidemiological concepts such as study design, bias and how to handle missing data. The project will have immediate relevance for UK policy and practice.

Person Specification

This is a highly interdisciplinary project, and applications are encouraged from a range of backgrounds. The successful candidate will hold an undergraduate degree in, for example, applied medical statistics, medicine or a numerate discipline with a human biology component (e.g., demography, statistics, human sciences etc.), awarded at 2:1 level (UK system or equivalent) or above. 

experience of working with statistical packages such as STATA or R and analysing/interpreting results from large scale population data will constitute a distinct advantage. The successful candidate should be able to work well in a team and have excellent attention to detail.


The studentship covers only the fees for UK students. Additional fees may be required for students applying who do not fulfil the criteria for UCL home students. For the list of full criteria please see

For information on how to apply please see A CV, full transcript of results (listing all subjects taken and their corresponding grades/marks) and one page cover letter stating how the project meets your research interests must be included.

Prospective candidates are encouraged to email Snehal Pinto Pereira [Email Address Removed] for an informal discussion before applying. Please attach your CV and full transcript of exam results when making an enquiry.

Contact name: Faith Hanstater

Contact details: [Email Address Removed]

UCL Taking Action for Equality

Closing Date: 22 Feb 2022

Latest time for the submission of applications: 23:59

Interview date: To be confirmed

Studentship Start Date: Flexible, but in post by November 2022

Funding Notes

The funding covers an annual tax-free stipend (between £17,000 and £18,000 p.a.), tuition fees at the UK rate and a flexible annual £2k consumables budget (for training, conference attendance etc).
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