

Jaakko Nevalainen
Responsibilities
Head of Unit of Health Sciences, Professor of biostatistics
Fields of expertise
I am intested both in advanced statistical modelling in biomedical sciences (i.e., biostatistics) as well as in statistical theory. My theoretical interests in statistics focus on nonparametric methods, statistical learning including AI and the analysis of clustered and high-dimensional data with non-standard structures. I actively engage in collaborative research, particularly in the fields of nutrition, diabetes, and prostate cancer, exploring their epidemiology and health economics. I also leverage modern data sources such as health registers and loyalty card data.
Currently, I lead the Tampere University part of the LoCard study consortium (www.locard.fi), where we develop new computational methodologies to understand food purchase patterns and their impacts on people, the planet, and prosperity. Our goal is to guide these patterns towards a more sustainable future. I am also a team member in population based trials and studies on prostate cancer screening, type 1 diabetes, nutrition and cardiovascular risks.
Our projects are funded by the Research Council of Finland and Horizon Europe. I have made significant contributions to statistical theory and the application of novel methodologies in various contexts. Our works have been published in leading journals such as the American Journal of Clinical Nutrition, JAMA, JASA, Statistics in Medicine, International Journal of Epidemiology, and Diabetologia. To date, I have authored over 160 peer-reviewed articles.
Research fields
Statistics, data science, nutrition, prostate cancer, diabetes
Latest publications
Associations of Cumulative Adulthood, Childhood and Lifelong Insulin With Adulthood Retinal Microvasculature
Repo, O., Juonala, M., Rovio, S. P., Mykkänen, J., Nevalainen, J., Kähönen, M., Lehtimäki, T., Laitinen, T. P., Viikari, J., Raitakari, O., Tapp, R. & Pahkala, K., 2025, In: Journal of Clinical Endocrinology and Metabolism. 110, 9, p. e3085-e3092 8 p.Research output: Contribution to journal › Article › Scientific › peer-review
Can the Unit Size Predict Outcomes? Testing for Informativeness in Three-Level Designs
Anyaso-Samuel, S., Datta, S., Roos, E. & Nevalainen, J., Mar 2025, In: STATISTICS IN MEDICINE. 44, 6, 15 p., e70041.Research output: Contribution to journal › Article › Scientific › peer-review
Generalisability of a parent-mediated eye gaze intervention in young autistic children: An ADOS-BOSCC outcome study
Husu, E., Helminen, T., Muuvila, M., Lauttia, J., Eriksson, K., Nevalainen, J. & Kylliäinen, A., 2025, In: Research in Autism. 128, 14 p., 202697.Research output: Contribution to journal › Article › Scientific › peer-review
On the distribution of isometric log-ratio coordinates under extra-multinomial count data
Kartiosuo, N., Virta, J., Nevalainen, J., Raitakari, O. & Auranen, K., Aug 2025, In: Statistical Papers. 66, 5, 113.Research output: Contribution to journal › Article › Scientific › peer-review
Regional differences in the prevalence of obstetric complications in relation to maternal obesity and food purchases
Pellonperä, O., Meinilä, J., Nevalainen, J., Sormunen-Harju, H., Metsälä, J., Gissler, M., Fogelholm, M., Erkkola, M., Saarijärvi, H. & Koivusalo, S., Jul 2025, In: Acta Obstetricia et Gynecologica Scandinavica. 104, 7, p. 1274-1285 12 p.Research output: Contribution to journal › Article › Scientific › peer-review
The effect of polychlorinated biphenyls on type 2 diabetes risk is mediated via DNA methylation
Kartiosuo, N., Auranen, K., Mansell, T., Novakovic, B., Nevalainen, J., Pahkala, K., Rovio, S., Mykkänen, J., Viikari, J., Juonala, M., Rantakokko, P., Kiviranta, H., Kaikkonen, J., Lehtimäki, T., Raitoharju, E., Mishra, P. P., Kähönen, M., Ponsonby, A.-L., Tanner, S. & Burgner, D. & 2 others, , 2025, In: Environment International. 203, 109779.Research output: Contribution to journal › Article › Scientific › peer-review
Association between work-related factors and health behaviour clusters among Finnish private-sector service workers
Lehto, E., Uusitalo, L., Saari, T., Rahkonen, O., Erkkola, M. & Nevalainen, J., Aug 2024, In: International Archives of Occupational and Environmental Health. 97, 6, p. 641-650 10 p.Research output: Contribution to journal › Article › Scientific › peer-review
Bidirectional associations between IgE-mediated food allergy and atopic dermatitis
Venter, C., Pickett-Nairne, K., Glueck, D. H., Nevalainen, J., Greenhawt, M., Metsala, J., Sauder, K. A., Perng, W., Fleischer, D. M., Leung, D. & Dabelea, D., Aug 2024, In: Pediatric Allergy and Immunology. 35, 8, 4 p., e14223.Research output: Contribution to journal › Letter › Scientific
Building nutritionally meaningful classification for grocery product groups: the LoCard Food Classification process
Kanerva, N., Kinnunen, S., Nevalainen, J., Vepsäläinen, H., Fogelholm, M., Saarijärvi, H., Meinilä, J. & Erkkola, M., 2024, In: BRITISH JOURNAL OF NUTRITION. 132, 6, p. 770-781 12 p.Research output: Contribution to journal › Article › Scientific › peer-review
Change in cognitive performance during seven-year follow-up in midlife is associated with sex, age, and education: The Cardiovascular Risk in Young Finns Study
Heiskanen, M. A., Nevalainen, J., Pahkala, K., Juonala, M., Hutri, N., Kähönen, M., Jokinen, E., Laitinen, T. P., Tossavainen, P., Taittonen, L., Viikari, J. S. A., Raitakari, O. T. & Rovio, S. P., Aug 2024, In: Journal of neurology. 5165, 5176, p. 5165-5176 12 p.Research output: Contribution to journal › Article › Scientific › peer-review