Welcome to my homepage!

My name is Jouko Miettunen. I am a Professor of Clinical Epidemiology in the Research Unit of Population Health at the University of Oulu, Oulu, Finland. I am currently also the director of the international master’s program in Epidemiology and Biomedical Data Science. For contact information, see my CV.

My current main research area is risk factor and outcome studies in psychotic and depressive disorders. I also research temperament and substance use, and I am involved in several other projects. This homepage describes my current and previous research activities. 

Selected latest publications

Miettunen J, Nordström T, Jääskeläinen E, Rautio N. Prevalence and associated factors of depressive and anxiety symptoms in two birth cohorts born 20 years apart. Soc Psychiatry Psychiatr Epidemiol 2026 Oct 9. https://doi.org/10.1007/s00127-026-03226-w

Miettunen J, Ruotsalainen H, Vainio N, AlSaadi H, Jääskeläinen E, Rautio N. Specificity of environmental risk factors for schizophrenia, bipolar disorders and depressive disorders – umbrella review. Psychol Med 2025; 55:e368. doi: 10.1017/S0033291725102584

Kujanperä J, Ala-Mursula L, Jääskeläinen E, Nordström T, Miettunen J. Onset age and 40-year employment outcomes in psychoses: findings from the Northern Finland Birth Cohort 1966. Soc Psychiatry Psychiatr Epidemiol. 2026 Nov 4. doi: 10.1007/s00127-026-03238-6.

Maj M, van Os J, De Hert M, Gaebel W, Galderisi S, Green MF, Guloksuz S, Harvey PD, Jones PB, Malaspina D, McGorry P, Miettunen J, Murray RM, Nuechterlein KH, Peralta V, Thornicroft G, van Winkel R, Ventura J. The clinical characterization of the patient with primary psychosis aimed at personalization of management. World Psychiatry 2021; 20:4-33. doi: 10.1002/wps.20809 (IF = 49.548)

Komasi S, Rezaei F, Hemmati A, Rahmani K, Amianto F, Miettunen J. A Comprehensive meta-analysis of association between the temperament and character traits of Cloninger’s psychobiological theory and mental disorders. J Int Med Res 2022; 50: 3000605211070766. doi: 10.1177/03000605211070766