Forskningsgruppe for avhengighetsforskning


Vitenskapelige publikasjoner og rapporter fra 2018 og fremover.



Leino, T., Finserås, T.R., Skogen, J.C., Pallesen, S., Kristensen, J.H., & Mentzoni, R.A., & Sivertsen, B. (2024). Examining the relationship between non-suicidal self-harm and suicidality within the past 12-months and gaming problems in Norwegian full-time students. BMC Psychiatry 24, 234. https://doi.org/10.1186/s12888-024-05694-3

Tørdal, E. V., Pallesen, S., Sagoe, D., Jones, L. Ø., & Mahjabeen, F. (2024). The prevalence of gambling problems in prison populations: A systematic review and meta-analysis. Journal of behavioral addictions, 13(1), 25–35. https://doi.org/10.1556/2006.2024.00005


Girard, L.-C., Leino, T., Griffiths, M. D., & Pallesen, S. (2023). Income and gambling disorder: A longitudinal matched case-control study with registry data from Norway. SSM - Population Health, 24, 101504. https://doi.org/https://doi.org/10.1016/j.ssmph.2023.101504 

Girard, L. C., Griffiths, M. D., Rossow, I., Leino, T., Goudriaan, A. E., Smith, O. R. F., & Pallesen, S. (2023). Temporal order of diagnosis between gambling disorder and substance use disorders: Longitudinal results from the Norwegian Patient Registry. Addict Behav Rep, 17, 100501. https://doi.org/10.1016/j.abrep.2023.100501

Syvertsen, A., Kristensen, J. H., Browne, M., Li, E., & Pallesen, S. (2023). Validation of the 7-Item Domain-General Gambling Harm Scale (DGHS-7). Addict Behav Rep, 17, 100499. https://doi.org/10.1016/j.abrep.2023.100499

Syvertsen, A., Leino, T., Pallesen, S., Smith, O. R. F., Mentzoni, R. A., Griffiths, M. D., & Erevik, E. K. (2023). Age and gender differences in gambling intensity in a Norwegian population of electronic gaming machine players. International Gambling Studies, 1-21. https://doi.org/10.1080/14459795.2023.2199051 

Syvertsen, A., Leino, T., Pallesen, S., Smith, O. R. F., Sivertsen, B., Griffiths, M. D., & Mentzoni, R. A. (2023). Marital status and gambling disorder: a longitudinal study based on national registry data. BMC Psychiatry, 23(1), 199. https://doi.org/10.1186/s12888-023-04697-w 

Aarestad, S. H., Erevik, E. K., Smith, O. R. F., Griffiths, M. D., Leino, T. M., Mentzoni, R. A., & Pallesen, S. (2023). Ethnicity as a risk factor for gambling disorder: a large-scale study linking data from the Norwegian patient registry with the Norwegian social insurance database. BMC Psychology, 11(1), 355. https://doi.org/10.1186/s40359-023-01391-0

Hellumbråten Kristensen, J., Trifunovic, S., Strand, J., Kraft Vistnes, K., Syvertsen, A., Zandi, A., & Pallesen, S. (2023). A systematic literature review of studies on attitudes towards gambling using the Attitudes Towards Gambling Scale (ATGS). International Gambling Studies, 23(3), 353-386. https://doi.org/10.1080/14459795.2022.2143856

Syvertsen, A., Leino, T., Pallesen, S., Smith, O. R. F., Mentzoni, R. A., & Erevik, E. K. (2023). Telescoping and gender differences in high-risk gambling: Loss limit behavior in a population of electronic gaming machine players. Psychol Addict Behav, 37(3), 499-508. https://doi.org/10.1037/adb0000844

Leino, T., Torsheim, T., Griffiths, M. D., & Pallesen, S. (2023). The relationship between substance use disorder and gambling disorder: A nationwide longitudinal health registry study. Scand J Public Health, 51(1), 28-34. https://doi.org/10.1177/14034948211042249

Kaur, P., Leino, T., Chegeni, R., Erevik, E. K., Mentzoni, R. A., & Pallesen, S. (2023). Association between problem gambling and personality traits: a longitudinal study among the general Norwegian population. Front Psychol, 14, 1241365. https://doi.org/10.3389/fpsyg.2023.1241365 

Kristensen, J. H., Pallesen, S., Bauer, J., Leino, T., Griffiths, M. D., & Erevik, E. K. (2023). Suicidality among individuals with gambling problems: A meta-analytic literature review. Psychol Bull. https://doi.org/10.1037/bul0000411


Baumann, A., Mentzoni, R. A., Erevik, E., & Pallesen, S. (2022). A qualitative study on Norwegian esports students sleep', nutritional and physical activity habits and the link to health and performance. International Journal of Esports, 1(1). https://www.ijesports.org/article/88/html

Engebø, J., Torsheim, T., & Pallesen, S. (2022). Gamblers' use of measures to prevent gambling problems and reduce harm. Frontiers in Psychiatry, 13. https://doi.org/10.3389/fpsyt.2022.857280

Erevik, E. K., Landrø, H., Mattson, Å. L., Kristensen, J. H., Kaur, P., & Pallesen, S. (2022). Problem gaming and suicidality: A systematic literature review. Addictive Behaviors Reports, 15, 100419. https://doi.org/https://doi.org/10.1016/j.abrep.2022.100419

Clarsen, B., Nylenna, M., Klitkou, S. T., ... [Sagoe, D.] et al. (2022). Changes in life expectancy and disease burden in Norway, 1990–2019: an analysis of the Global Burden of Disease Study 2019. The Lancet Public Health, 7(7), e593-e605. https://doi.org/https://doi.org/10.1016/S2468-2667(22)00092-5 

Sagoe, D. (2022). Commentary on Horn et al.: The outcome expectancy in the 'alcohol-gambling cocktail'. Addiction, 117(11), 2791-2792. https://doi.org/10.1111/add.15978 

Finserås, T. R., Sivertsen, B., Pallesen, S., Leino, T., Mentzoni, R. A., & Skogen, J. C. (2022). Different Typologies of Gamers Are Associated with Mental Health: Are Students DOOMed? Int J Environ Res Public Health, 19(22). https://doi.org/10.3390/ijerph192215058

Forsström, D., Chahin, G., Savander, S., Mentzoni, R. A., & Gainsbury, S. (2022). Measuring loot box consumption and negative consequences: Psychometric investigation of a Swedish version of the Risky Loot Box Index. Addictive Behaviors Reports, 16, 100453. https://doi.org/https://doi.org/10.1016/j.abrep.2022.100453

Jonsson, J., Hodgins, D. C., Lyckberg, A., Currie, S., Young, M. M., Pallesen, S., & Carlbring, P. (2022). In search of lower risk gambling levels using behavioral data from a gambling monopolist. J Behav Addict, 11(3), 890-899. https://doi.org/10.1556/2006.2022.00062 

Langeland, E., Johnsen, I. F., Sømme, K. K., Morken, A. M., Erevik, E. K., Kolberg, E., Jonsson, J., Mentzoni, R. A., & Pallesen, S. (2022). One size does not fit all. Should gambling loss limits be based on income?. Frontiers in Psychiatry, 13. https://doi.org/10.3389/fpsyt.2022.1005172

Syvertsen, A., Ortiz de Gortari, A. B., King, D. L., & Pallesen, S. (2022). Problem mobile gaming: The role of mobile gaming habits, context, and platform. Nordisk alkohol- & narkotikatidskrift : NAT, 39(4), 362-378. https://doi.org/10.1177/14550725221083189

Balcerowska, J. M., Bereznowski, P., Biernatowska, A., Atroszko, P. A., Pallesen, S., & Andreassen, C. S. (2022). Is it meaningful to distinguish between Facebook addiction and social networking sites addiction? Psychometric analysis of Facebook addiction and social networking sites addiction scales. Current Psychology, 41(2), 949-962. https://doi.org/10.1007/s12144-020-00625-3

Syvertsen, A., Erevik, E. K., Hanss, D., Mentzoni, R. A., & Pallesen, S. (2022). Relationships Between Exposure to Different Gambling Advertising Types, Advertising Impact and Problem Gambling. Journal of Gambling Studies, 38(2), 465-482. https://doi.org/10.1007/s10899-021-10038-x


Sagoe, D., Griffiths, M. D., Erevik, E. K., Høyland, T., Leino, T., Lande, I. A., Sigurdsson, M. E., & Pallesen, S. (2021). Internet-based treatment of gambling problems: A systematic review and meta-analysis of randomized controlled trials. Journal of Behavioral Addictions, 10(3), 546-565. https://doi.org/https://doi.org/10.1556/2006.2021.00062 

Pallesen, S., Mentzoni, R. A., Morken, A. M., Engebø, J., Kaur, P., & Erevik, E. K. (2021). Changes Over Time and Predictors of Online Gambling in Three Norwegian Population Studies 2013–2019. Frontiers in Psychiatry, 12. https://doi.org/10.3389/fpsyt.2021.597615 

Olsen, O. K., Pallesen, S., & Myrseth, H. (2021). Gaming in the Military: A Longitudinal Study of Changes in Gaming Behavior Among Conscripts During Military Service and Associated Risk Factors. Frontiers in Psychiatry, 12. https://doi.org/10.3389/fpsyt.2021.591038 

Kristensen, J. H., Pallesen, S., King, D. L., Hysing, M., & Erevik, E. K. (2021). Problematic Gaming and Sleep: A Systematic Review and Meta-Analysis. Frontiers in Psychiatry, 12. https://doi.org/10.3389/fpsyt.2021.675237 

Engebø, J., Torsheim, T., & Pallesen, S. (2021). Regulatory Measures' Effect on Gambling Participation: Experiences From Norway. Frontiers in Psychiatry, 12. https://doi.org/10.3389/fpsyt.2021.672471 

Bjørseth, B., Simensen, J. O., Bjørnethun, A., Griffiths, M. D., Erevik, E. K., Leino, T., & Pallesen, S. (2021). The Effects of Responsible Gambling Pop-Up Messages on Gambling Behaviors and Cognitions: A Systematic Review and Meta-Analysis. Frontiers in Psychiatry, 11. https://doi.org/10.3389/fpsyt.2020.601800

Finserås, T. R., Krossbakken, E., Pallesen, S., Mentzoni, R., King, D. L., Griffiths, M. D., & Molde, H. (2021). Near Miss in a Video Game: an Experimental Study. International Journal of Mental Health and Addiction, 19(2), 418-428. https://doi.org/10.1007/s11469-019-00070-9


Syvertsen, A., Pallesen, S., Erevik, E. K., & Mentzoni, R. A. (2020). Direct Marketing Experiences Among Individuals With Current and Lifetime Gambling Disorder. Frontiers in Psychology, 11. https://doi.org/10.3389/fpsyg.2020.01957 

Syvertsen, A., Erevik, E. K., Mentzoni, R. A., & Pallesen, S. (2020). Gambling Addiction Norway – experiences among members of a Norwegian self-help group for problem gambling. International Gambling Studies, 20(2), 246-261. https://doi.org/10.1080/14459795.2020.1722200 

King, D. L., Chamberlain, S. R., Carragher, N. ... [Pallesen, S.] et al. (2020). Screening and assessment tools for gaming disorder: A comprehensive systematic review. Clin Psychol Rev, 77, 101831. https://doi.org/10.1016/j.cpr.2020.101831

Erevik, E. K., Pallesen, S., Mohn, M., Aspeland, T., Vedaa, Ø., & Torsheim, T. (2020). The Norwegian remote intervention programme for problem gambling: Short- and long-term outcomes. Nordic Studies on Alcohol and Drugs, 37(4), 365-383. https://doi.org/10.1177/1455072520947247


Molde, H., Holmøy, B., Merkesdal, A. G., Torsheim, T., Mentzoni, R. A., Hanns, D., Sagoe, D., & Pallesen, S. (2019). Are Video Games a Gateway to Gambling? A Longitudinal Study Based on a Representative Norwegian Sample. J Gambl Stud, 35(2), 545-557. https://doi.org/10.1007/s10899-018-9781-z

Finserås, T. R., Pallesen, S., Mentzoni, R. A., Krossbakken, E., King, D. L., & Molde, H. (2019). Evaluating an Internet Gaming Disorder Scale Using Mokken Scaling Analysis. Frontiers in Psychology, 10. https://doi.org/10.3389/fpsyg.2019.00911 

Erevik, E. K., Torsheim, T., Andreassen, C. S., Krossbakken, E., Vedaa, Ø., & Pallesen, S. (2019). The associations between low-level gaming, high-level gaming and problematic alcohol use. Addict Behav Rep, 10, 100186. https://doi.org/10.1016/j.abrep.2019.100186

Engebø, J., Torsheim, T., Mentzoni, R. A., Molde, H., & Pallesen, S. (2019). Predictors of Gamblers Beliefs About Responsible Gambling Measures. J Gambl Stud, 35(4), 1375-1396. https://doi.org/10.1007/s10899-019-09835-2


Sagoe, D., Pallesen, S., Griffiths, M. D., Mentzoni, R. A., & Leino, T. (2018). Does Individual Gambling Behavior Vary across Gambling Venues with Differing Numbers of Terminals? An Empirical Real-World Study using Player Account Data. Frontiers in Psychology, 9. https://doi.org/10.3389/fpsyg.2018.00158 

Molde, H., Moussavi, Y., Kopperud, S. T., Erga, A. H., Hansen, A. L., & Pallesen, S. (2018). Impulse-Control Disorders in Parkinson's Disease: A Meta-Analysis and Review of Case-Control Studies. Front Neurol, 9, 330. https://doi.org/10.3389/fneur.2018.00330 

Krossbakken, E., Torsheim, T., Mentzoni, R. A., King, D. L., Bjorvatn, B., Lorvik, I. M., & Pallesen, S. (2018). The effectiveness of a parental guide for prevention of problematic video gaming in children: A public health randomized controlled intervention study. Journal of Behavioral Addictions, 7(1), 52-61. https://doi.org/https://doi.org/10.1556/2006.6.2017.087  

Krossbakken, E., Pallesen, S., Mentzoni, R. A., King, D. L., Molde, H., Finserås, T. R., & Torsheim, T. (2018). A Cross-Lagged Study of Developmental Trajectories of Video Game Engagement, Addiction, and Mental Health. Front Psychol, 9, 2239. https://doi.org/10.3389/fpsyg.2018.02239

Eide, T. A., Aarestad, S. H., Andreassen, C. S., Bilder, R. M., & Pallesen, S. (2018). Smartphone Restriction and Its Effect on Subjective Withdrawal Related Scores. Frontiers in Psychology, 9. https://doi.org/10.3389/fpsyg.2018.01444 

Atroszko, P. A., Balcerowska, J. M., Bereznowski, P., Biernatowska, A., Pallesen, S., & Schou Andreassen, C. (2018). Facebook addiction among Polish undergraduate students: Validity of measurement and relationship with personality and well-being. Computers in Human Behavior, 85, 329-338. https://doi.org/https://doi.org/10.1016/j.chb.2018.04.001 

Andreassen, C. S., Schaufeli, W. B., & Pallesen, S. (2018). Myths about “The myths about work addiction”: Commentary on: Ten myths about work addiction (Griffiths et al., 2018). Journal of Behavioral Addictions, 7(4), 858-862. https://doi.org/https://doi.org/10.1556/2006.7.2018.126 

Andreassen, C. S., Pallesen, S., Torsheim, T., Demetrovics, Z., & Griffiths, M. D. (2018). Tanning addiction: conceptualization, assessment and correlates. British Journal of Dermatology, 179(2). https://doi.org/https://doi.org/10.1111/bjd.16962 

Andreassen, C. S., Pallesen, S., & Torsheim, T. (2018). Workaholism as a Mediator between Work-Related Stressors and Health Outcomes. International Journal of Environmental Research and Public Health, 15(1), 73. https://www.mdpi.com/1660-4601/15/1/73

Andreassen, C. S., Pallesen, S., Moen, B. E., Bjorvatn, B., Waage, S., & Schaufeli, W. B. (2018). Workaholism and negative work-related incidents among nurses. Industrial Health, 56(5), 373-381. https://doi.org/10.2486/indhealth.2017-0223

Andreassen, C. S., Pallesen, S., Griffiths, M. D., Torsheim, T., & Sinha, R. (2018). The Development and Validation of the Bergen–Yale Sex Addiction Scale With a Large National Sample. Frontiers in Psychology, 9. https://doi.org/10.3389/fpsyg.2018.00144 


Pallesen, S., Mentzoni, R.A., Syvertsen A., Kristensen, J.H., Erevik E.K., & Morken A.M. (2023). Omfang av penge- og dataspillproblemer i Norge 2022. Bergen: Institutt for samfunnspsykologi.

Kristensen, J.H., Leino, T.M., & Pallesen, S. Den samfunnsøkonomiske kostnaden av problemspilling i Norge. Institutt for samfunnspsykologi, Universitetet i Bergen 2022

Pallesen, S., Mentzoni, R.A., Torsheim, T., Erevik, E.K., Molde, H., & Morken, A.M. (2020). Omfang av penge- og dataspillproblemer i Norge 2019. Bergen: Institutt for samfunnspsykologi.

Pallesen, S., Torsheim, T., Leino T. (2019). Sammenhengen mellom pengespillidelse og rusmisbrukslidelser: Analyse av registerdata. Bergen: Institutt for samfunnspsykologi.

Torvund, A.D.,  Flemmen, G.L., Mentzoni R.A., & Pallesen, S. (2018). Kartlegging av behandlingsmetoder og behandlingssteder for penge- og dataspillproblematikk i Norge.  Bergen: Nasjonalt Kompetansesenter for spillforskning

Syvertsen, A., Erevik, E.K., Mentzoni, R.A., Torsheim, T., & Pallesen, S. (2018). Erfaringer med deltakelse i selvhjelpsgrupper for pengespillavhengige i Norge – En kvalitativ undersøkelse. Bergen: Nasjonalt Kompetansesenter for spillforskning