Projects per year
Personal profile
Personal Statement
I am currently a Senior Teaching Fellow and course leader for the MSc Sport Data Analytics in the Physical Activity for Health group in the School of Psychological Sciences and Health. I graduated with a BSc in Biomedical Engineering in 2008, followed by a MSc in Biology of Human Performance and Health in 2009. I completed my PhD at the University of Wollongong, Australia in December 2013. I joined the University of Strathclyde as a research associate in Jan 2014 and was appointed as a Chancellor's Fellow and Senior Lecturer in August 2015 and December 2019, respectively.
Research Interests
My research interests include examening 24-hour movement behaviours (physical activity, sedentary behaviour and sleep) in those under 18 years of age and their influence on health outcomes. In addition, I am interested in exploring novel ways to measure 24-hour movemenet behaviours in young people. My current research focussess on exploring adherence with the WHO 24-hour movement guidelines in the under 5s in several countries. I am also involved in the evaluation of a workplace health and well-being app. Last, I am part of the Gateshead Millennium Study research team. GMS is an important longitudinal study, examining changes in sitting time during childhood and adolescence, detrminants of sitting time and the association between changes in sitting time and adiposity.
Expertise & Capabilities
- Measurement of 24-hour movement behaviours (physical activity, sedentary behaviour and sleep) in children and adolescents.
- Patterns and changes in 24-hour movement behaviours across childhood.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
Education/Academic qualification
Doctor of Philosophy, The objective measurement of physical activity and sedentary behaviour in preschool-aged children, University of Wollongong
Award Date: 1 Jan 2014
Master of Science, Maastricht University
Award Date: 1 Jan 2009
Bachelor of Science, Zuyd University
Award Date: 1 Jan 2008
Fingerprint
- 1 Similar Profiles
Collaborations and top research areas from the last five years
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Studentship (SportScotland & Scottish Cyclists Union)
Hewitt, A. (Principal Investigator) & Janssen, X. (Co-investigator)
Scottish Cyclist's Union t/a Scottish Cycling, Sportscotland
1/04/25 → 31/03/28
Project: Research - Studentship
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£55K Strathclyde Research Excellence award. Developing recommendations for a data driven intervention to support physical activity promotion in Type 2 diabetes care.
Kirk, A. (Principal Investigator), Janssen, X. (Co-investigator) & Lennon, M. (Co-investigator)
1/10/21 → 31/12/25
Project: Internally funded project
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Prevalence and correlates of meeting World Health Organization 24-hour movement guidelines among 3-4 year-olds in Malawi: the cross-sectional SUNRISE Malawi study
Mwase-Vuma, T. W., Janssen, X., Okely, A. D., Kayange, J., Chong, K. H., Cross, P., Evance, S. & Reilly, J. J., 1 Nov 2025, In: Journal of Physical Activity and Health . 22, 11, p. 1357-1369 13 p.Research output: Contribution to journal › Article › peer-review
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Risk factors for eating disorder symptoms at 15 years of age: a 9-year longitudinal cohort study
Hanson, L. N., Adamson, A. J., Basterfield, L., Reilly, J. J., Janssen, X., Pearce, M. S., Boothroyd, L. G. & Evans, E. H., 1 Oct 2025, In: Appetite. 214, 12 p., 108149.Research output: Contribution to journal › Article › peer-review
Open AccessFile18 Downloads (Pure)
Datasets
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Data for: "Movement behaviours and adherence to guidelines: perceptions of a sample of UK parents with children 0–18 months"
Hesketh, K. R. (Creator) & Janssen, X. (Creator), figshare, 4 Apr 2023
DOI: 10.6084/m9.figshare.c.6008595.v1
Dataset
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Data for: "Systematic review of the relationships between sedentary behaviour and health indicators in the early years (0–4 years)"
Poitras, V. J. (Creator), Gray, C. E. (Creator), Janssen, X. (Contributor), Aubert, S. (Creator), Carson, V. (Creator), Faulkner, G. (Creator), Goldfield, G. S. (Creator), Reilly, J. J. (Creator), Sampson, M. (Creator) & Tremblay, M. S. (Creator), figshare, 4 Apr 2023
DOI: 10.6084/m9.figshare.c.3935491
Dataset
Activities
- 3 Conference, workshop, seminar or course
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Scottish-Finnish Health Promotion Network
Harrington, D. (Participant) & Janssen, X. (Organiser)
9 Dec 2022Activity: Presenting or Organising an Event › Conference, workshop, seminar or course
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Scottish-Finnish Health Promotion Network
Harrington, D. (Participant) & Janssen, X. (Organiser)
3 Oct 2022Activity: Presenting or Organising an Event › Conference, workshop, seminar or course