Publikasjoner
Main content
Peer-reviewed journal articles
2024
Abdulla, V., Glushkova, N., Nyssanbayeva, K., Bakasheva, M., & Sagoe, D. (2024). Kazakhstani elite athletes’ perspectives on the Tokyo 2020 Olympic Games postponement and their preparation during the COVID-19 pandemic: A qualitative study. Performance Enhancement & Health, 12, 100270. doi: 10.1016/j.peh.2023.100270
Nyssanbayeva, K., Abdulla, V., Semenova, Y., Bakasheva, M., Sagoe, D., & Glushkova, N. (2024). Characteristics of the online market for anabolic-androgenic steroids in Central Asia: A netnographic analysis. Substance Use & Misuse, 59, 10–19. doi: 10.1080/10826084.2023.2257317
Pazhoohi, F., Afhami, R., Chegeni, R., Dubrov, D., Gałasińska, K., Garza, R., Moharrampour, N.G., Grigoryev, D., Kowal, M., Pallesen, S., & Pfuhl, G. (2024). Cross-cultural preferences for women’s waist to hip ratio and men’s shoulder to hip ratio: Data from Iran, Norway, Poland, and Russia. Adaptive Human Behavior and Physiology, doi: 10.1007/s40750-024-00232-7
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, 25–35.
Naghavi, M., Global Burden of Disease: 2021 Causes of Death Collaborators [Sagoe, D.]. (2024). Global burden of 288 causes of death and life expectancy decomposition in 204 countries and territories and 811 subnational locations, 1990–2021: A systematic analysis for the Global Burden of Disease Study 2021. The Lancet, doi: 10.1016/s0140-6736(24)00367-2
Bhattacharjee, N. V., Global Burden of Disease: 2021 Fertility and Forecasting Collaborators [Sagoe, D.]. (2024). Global fertility in 204 countries and territories, 1950–2021, with forecasts to 2100: A comprehensive demographic analysis for the Global Burden of Disease Study 2021. The Lancet, doi: 10.1016/s0140-6736(24)00550-6
Steinmetz, J. D., Global Burden of Disease: 2021 Nervous System Disorders Collaborators [Sagoe, D.]. (2024). Global, regional, and national burden of disorders affecting the nervous system, 1990–2021: a systematic analysis for the Global Burden of Disease Study 2021. The Lancet Neurology, doi: 10.1016/s1474-4422(24)00038-3
2023
Skauen, J. E., Pallesen, S., Bjørnebekk, A., Chegeni, R., Syvertsen, A., Petróczi, A., & Sagoe, D. (2023). Prevalence and correlates of androgen dependence: A meta-analysis, meta-regression analysis and qualitative synthesis. Current Opinion in Endocrinology, Diabetes and Obesity, 30, 309–323. doi: 10.1097/med.0000000000000822
Wu, D., Global Burden of Disease: Immune-Mediated Inflammatory Diseases Collaborators [Sagoe, D.]. (2023). Global, regional, and national incidence of six major immune-mediated inflammatory diseases: Findings from the Global Burden of Disease Study 2019. eClinicalMedicine, 64, 102193. doi: 10. 1016/j.eclinm.2023.102193
Shin, Y. H., Global Burden of Disease: Allergic Disorders Collaborators [Sagoe, D.]. (2023). Global, regional, and national burden of allergic disorders and its risk factors in 204 countries and territories, from 1990 to 2019: A systematic analysis for the Global Burden of Disease Study 2019. Allergy, 78, 2232–2254. doi: 10.1111/all.15807
Chegeni, R., Pallesen, S., Weldemariam, H., & Sagoe, D. (2023). Systematic reviews and meta-analyses on androgen administration in humans: An umbrella review. Current Opinion in Endocrinology, Diabetes and Obesity, 30, 300–308. doi: 10.1097/med.0000000000000832
Agardh, E., Global Burden of Disease: Nordic Drug Use Collaborators [Sagoe, D.]. (2023). Disease burden attributed to drug use in the Nordic countries: Findings from the Global Burden of Disease, Injuries, and Risk Factors Study 2019. International Journal of Mental Health & Addiction, doi: 10.1007/s11469-023-01131-w
Hafstad, S. M., Bauer, J., Harris, A., & Pallesen, S. (2023). The prevalence of orthorexia in exercising populations: A systematic review and meta-analysis. Journal of Eating Disorders, 11, 15. doi: 10.1186/s40337-023-00739-6
Syvertsen, A., Erevik, E. K., Fodstad, E. C., Girard, L. C., Kaur, P., Kristensen, J. H., Kolberg, E., Mentzoni, R. A., Morken, A. M., Sagoe, D., & Pallesen, S. (2023). An empirical study on attitudes towards gambling when sportswashing is involved. Frontiers in Psychology: Personality and Social Psychology, 14, 1147332. doi: 10.3389/fpsyg.2023.1147332
Gill, T. K., Mittinty, M. M., Global Burden of Disease: Other Musculoskeletal Collaborators [Sagoe, D.]. (2023). Global, regional, and national burden of other musculoskeletal disorders, 1990–2020, and projections to 2050: A systematic analysis of the Global Burden of Disease Study 2021. Lancet Rheumatology, 5, e670–e682. doi: 10.1016/S2665-9913(23)00232-1
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. Scandinavian Journal of Public Health, 51, 28–34.
Petróczi, A., Cruyff, M., de Hon, O., Sagoe, D., & Saugy, M. (2023). Corrigendum - Hidden figures: Revisiting doping prevalence estimates previously reported for two major international sport events in the context of further empirical evidence and the extant literature. Frontiers in Sports and Active Living: Anti-Doping Sciences & Integrity in Sport, 5, 1129320. doi: 10.3389/fspor.2023.11293202022
2022
Breivik, G., Sagoe, D., & Loland, S. (2022). Personality and willingness towards performance enhancement and body modification: A cross-sectional survey of a nationally representative sample of Norwegians. Frontiers in Sports and Active Living: Movement Science and Sport Psychology, 4, 906634. doi: 10.3389/fspor.2022.906634
Sagoe, D., Ogunbode, C., Antwi, P., Knizek, B. L., Awaleh, Z., & Dadzie, O. (2022). UK ethnic minority healthcare workers’ perspectives on COVID-19 vaccine hesitancy in the UK ethnic minority community: A qualitative study. Frontiers in Psychology: Health Psychology, 13, 908917. doi: 10.3389/fpsyg.2022.908917
Petróczi, A., Cruyff, M., de Hon, O., Sagoe, D., & Saugy, M. (2022). Hidden figures: Revisiting doping prevalence estimates reported for two major international sport events in Ulrich et al. (2018). Frontiers in Sports and Active Living: Anti-Doping Sciences & Integrity in Sport, doi: 10.3389/fspor.2022.1017329
Sagoe, D. (2022). Commentary on Horn et al.: The outcome expectancy in the ‘alcohol-gambling cocktail’. Addiction, 117, 2791–2792. doi: 10.1111/add.15978.
Haagsma, J. A., Global Burden of Disease: Injury Collaborators [Sagoe, D.]. (2022). The burden of injury in Central, Eastern, and Western European sub‐region: A systematic analysis from the Global Burden of Disease 2019 Study. Archives of Public Health, 80, 142. doi: 10.1186/s13690-022-00891-6
Castelpietra, G., Global Burden of Disease: Mental Disorders and Injuries European Collaborators [Sagoe, D.]. (2022). The burden of mental disorders, substance use disorders and self-harm among young people in Europe, 1990–2019: Findings from the Global Burden of Disease Study 2019. The Lancet Regional Health Europe, 16, 100341. doi: 10.1016/j. lanepe.2022.100341
Clarsen, B., Global Burden of Disease: Norway Subnational Collaborators [Sagoe, D.]. Changes in life expectancy and disease burden in the 11 Norwegian counties 1990-2019: A systematic analysis for the Global Burden of Disease Study 2019. The Lancet Public Health, 7, e593–605. doi: 10.1016/S2468-2667(22)00092-5
2021
Sagoe, D., Johnsen, B., Lindblad, B., Normann, T. A. J., Skogvoll, V., Heierdal, M., & Lauritzen, F. (2021). A mixed-method evaluation of a prison anti-doping intervention: The Hercules prison program. Frontiers in Sports and Active Living: Anti-Doping Sciences, 3, 779218. doi: 10.3389/fspor.2021.779218
Sagoe, D. (2021). Editorial: Precincts and prospects of androgen abuse research. Current Opinion in Endocrinology, Diabetes and Obesity, 28, 587–588.
Chegeni, R., Pallesen, S., & Sagoe, D. (2021). Aggression and criminality among androgen abusers. Current Opinion in Endocrinology, Diabetes and Obesity, 28, 615–624.
Sagoe, D., Griffiths, M. D., Erevik, E. K., Høyland, T., Leino, T., Lande, I. A., Sigurdsson, M. E., & Pallesen, S. Internet-based treatment of gambling problems: A systematic review and meta-analysis of randomized controlled trials. Journal of Behavioral Addictions, 10, 546–565.
Sagoe, D., Cruyff, M., Spendiff, O., Chegeni, R., de Hon, O., Saugy, M., van der Heijden, P. G. M., & Petróczi, A. (2021). Functionality of the Crosswise Model for assessing sensitive or transgressive behavior: A systematic review and meta-analysis. Frontiers in Psychology: Quantitative Psychology and Measurement, 12, 655592. doi: 10.3389/fpsyg.2021.655592
Sagoe, D. (2021). The global prevalence and correlates of skin bleaching: A meta-analysis and meta-regression analysis. Tropical Medicine & International Health, 26, 13.
Strømme, R., Børstad, K. H., Rø, A. E., Erevik, E. K., Sagoe, D., Chegeni, R., Mentzoni, R. A., Kaur, P., & Pallesen, S. (2021). The relationship between gambling problems and the five-factor model of personality: A systematic review and meta-analysis. Frontiers in Psychiatry: Addictive Disorders, 12, 740235. doi: 10.3389/fpsyt.2021.740235
Joensen, G., Lorentsen, E., Sagstad K. M., Raes. E., Chegeni, R., & Sagoe, D. (2021). Heterosexual women rate perceived anabolic steroid-using men as less attractive for long-term romantic relationships. Journal of Substance Use, 26, 36–39.
Pallesen, S., Bjorvatn, B., Waage, S., Harris, A., & Sagoe, D. (2021). Prevalence of shift work disorder: A systematic review and meta-analysis. Frontiers in Psychology: Organizational Psychology, 12, 638252. doi: 10.3389/fpsyg.2021.638252
Chegeni, R., Notelaers, G., Pallesen, S., & Sagoe, D. (2021). Aggression and psychological distress in male and female anabolic-androgenic steroid users: A multigroup latent class analysis. Frontiers in Psychiatry: Public Mental Health, 12, 629428. doi: 10.3389/fpsyt.2021.629428
Chegeni, R., Pallesen, S., McVeigh, J., & Sagoe, D. (2021). Anabolic-androgenic steroid administration increases self-reported aggression in healthy males: A systematic review and meta-analysis of experimental studies. Psychopharmacology, 238, 1911–1922
2020
Pallesen, S., Waage, S., Thun, E., Andreassen, C. S., & Bjorvatn, B. (2020). A national survey on how sexual activity is perceived to be associated with sleep. Sleep and Biological Rhythms, 18, 65–72.
2019
Sagoe, D., Pallesen, S., Dlova, N. C., Lartey, M., Ezzedine, K., & Dadzie, O. (2019). The global prevalence and correlates of skin bleaching: A meta-analysis and meta-regression analysis. International Journal of Dermatology, 58, 24–44.
Sagoe, D., Pallesen, S., Dlova, N. C., Lartey, M., Ezzedine, K., & Dadzie, O. (2019). Authors’ reply to Del Giudice: The global prevalence and correlates of skin bleaching. International Journal of Dermatology, 58, e185–e185.
Chegeni, R., Sagoe, D., Mentzoni, R. A., & Pallesen, S. (2019). Anabolic-androgenic steroid use intent and aggression among adolescents: A longitudinal study. Substance Use & Misuse, 54, 1509–1518.
Hauger, L. E., Sagoe, D., Vaskinn, A., Arnevik, E. A., Leknes, S., Jørstad, M. L., & Bjørnebekk, A. (2019). Anabolic-androgenic steroid dependence is associated with impaired emotion recognition. Psychopharmacology, 236, 2667–2676.
2018
Andreassen, C. S., Pallesen, S., Torsheim, T., Demetrovics, Z., & Griffiths, M. D. (2018). Tanning addiction: Conceptualization, assessment and correlates. British Journal of Dermatology, 179, 345–352.
Myrseth, H., Pallesen, S., Torsheim, T., & Erevik, E. K. (2018). Prevalence and correlates of stimulant and depressant pharmacological cognitive enhancement among Norwegian students. Nordic Studies on Alcohol and Drugs, 35, 372–387.
Pallesen, S., Olsen, O. K., Eide, E. M., Nortvedt, B., Grønli, J., Larøi, F., ... & Glomlien, F. E. (2018). Sleep deprivation and hallucinations. A qualitative study of military personnel. Military Psychology, 30, 430–436.
Sagoe, D., Eide, T. A., Øhrn, H., Leino, T., Mentzoni, R. A., & Pallesen, S. (2018). Negative wins do not reinforce ‘short-term’ slot machine gambling intensity, game evaluation, and gambling beliefs. International Journal of Mental Health & Addiction, 16, 917–927.
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: Environmental Psychology, doi: 10.3389/fpsyg.2018.00158
Sagoe, D., & Pallesen, S. (2018). Androgen abuse epidemiology. Current Opinion in Endocrinology, Diabetes, & Obesity, 25, 185–194.
King, D. L., Gaming Industry Response Consortium – Sagoe, D. (2018). Comment on the global gaming industry’s statement on ICD-11 gaming disorder: A corporate strategy to disregard harm and deflect social responsibility. Addiction, 113, 2145–2146.
Molde, H., Holmøy, B., Merkesdal, A. G., Torsheim, T., Mentzoni, R. A., Hanss, D., Sagoe, D., & Pallesen, S. (2018). Are video games a gateway to gambling? A longitudinal study based on a representative Norwegian sample. Journal of Gambling Studies, doi: 10.1007/s10899-018-9781-z
Sagoe, D., Pallesen, S., Hanss, D., Leino, T., Molde, H., Mentzoni, R. A., & Torsheim, T. (2018). Mental health symptoms and gambling behaviour: A longitudinal study from adolescence to emerging adulthood. Journal of Behavioral Addictions, 7, 136–137.
2017
Pallesen, S., Gundersen, H. S., Kristoffersen, M., Bjorvatn, B., Thun, E., & Harris, A. (2017). The effects of sleep deprivation on soccer skills. Perceptual and Motor Skills, 124, 812–829.
Sagoe, D., Pallesen, S., & Andreassen, C. S. (2017). Prevalence and correlates of tattooing in Norway: A large-scale cross-sectional study. Scandinavian Journal of Psychology, 58, 562–570.
Sagoe, D., Severinsen, I. G., Saasen, S. E. H., Gracian, T. I., Olaniyan, O. S., & Pallesen, S. (2017). Perceived source of anabolic-androgenic steroids and the construal of users’ personality. Journal of Substance Use, 22, 587–591.
Dlova, N. C., & Sagoe, D. (2017). Acneiform lesions and commedones in a female anabolic steroid and whey protein user: The first African case report. African Journal of Drug and Alcohol Studies, 16, 33–36.
Sagoe, D., Mentzoni, R. A., Leino, T., Molde, H., Haga, S., Gjernes, M. F., Hanss, D., & Pallesen, S. (2017). The effects of alcohol expectancy and intake on slot machine gambling behavior. Journal of Behavioral Addictions, 6, 203–211.
Molde, H., Mentzoni, R., Hanss, D., Sagoe, D., Lindholm, S., & Pallesen, S. (2017). People around you – Do they matter? An experimental gambling study. International Gambling Studies, 17, 349–365.
Sagoe, D., Pallesen, S., Hanss, D., Leino, T., Molde, H., Mentzoni, R. A., & Torsheim, T. (2017). The relationships between mental health symptoms and gambling behavior in the transition from adolescence to emerging adulthood. Frontiers in Psychology: Psychopathology, 8, 478. doi: 10.3389/fpsyg.2017.00478
Leino, T., Pallesen, S., Griffiths, M.D., Mentzoni, R. A., Sagoe, D., & Molde, H. (2017). Gambling behavior in alcohol-serving and non-alcohol-serving-venues: A study of electronic gaming machine players using account records. Addiction Research & Theory, 25, 201–207.
2016
Sagoe, D., Holden, G., Rise, E. N. K., Torgersen, T., Paulsen, G., Krosshaug, T., Lauritzen, F., & Pallesen, S. (2016). Doping prevention through anti-doping education and practical strength training: The Hercules program. Performance Enhancement & Health, 5, 24–30.
Sagoe, D., Huang, K., Molde, H., Andreassen, C. S., & Pallesen, S. (2016). Perceived anabolic-androgenic steroid use is associated with perceived neuroticism. Journal of Substance Use, 21, 263–267.
Sagoe, D., Mentzoni, R. A., Hanss, D., & Pallesen, S. (2016). Aggression is associated with increased anabolic-androgenic steroid use contemplation among adolescents. Substance Use & Misuse, 51, 1462–1469.
Leino, T., Torsheim, T., Pallesen, S., Blaszczynski, A., Sagoe, D., & Molde, H. (2016). An empirical real world study of losses disguised as wins in electronic gaming machines. International Gambling Studies, 16, 470–480.
2015
Sagoe, D., Molde, H., Andreassen, C. S., Torsheim, T., & Pallesen, S. (2015). The global epidemiology of anabolic steroid use. International Journal of Epidemiology, 44, i20–i20. doi: 10.1093/ije/dyv097.061
Sagoe, D., Torsheim, T., Molde, H., Andreassen, C. S., & Pallesen, S. (2015). Anabolic-androgenic steroid use in the Nordic countries: A meta-analysis and meta-regression analysis. Nordic Studies on Alcohol and Drugs, 31, 7–20.
Sagoe, D., Andreassen, C. S., Molde, H., Torsheim, T., & Pallesen, S. (2015). Prevalence and correlates of anabolic-androgenic steroid use in a nationally representative sample of 17-year-old Norwegian adolescents. Substance Use & Misuse, 50, 139–147.
Sagoe, D., Torsheim, T., Molde, H., Andreassen, C. S., & Pallesen, S. (2015). Attitudes towards use of anabolic–androgenic steroids among Ghanaian high school students. International Journal of Drug Policy, 26, 169–174.
Sagoe, D., & Pallesen, S. (2015). Anabolic-androgenic steroid use in the Nordic countries: A reply to Bilgrei & Sandøy. Nordic Studies on Alcohol and Drugs, 31, 27–30.
Sagoe, D., McVeigh, J., Bjørnebekk, A., Essilfie, M. S., Andreassen, C. S., & Pallesen, S. (2015). Polypharmacy among anabolic-androgenic steroid users: A descriptive metasynthesis. Substance Abuse Treatment, Prevention, and Policy, 10, 12. doi: 10.1186/s13011-015-0006-5
2014
Pallesen, S., Andreassen, C. S., Jensen, S. M., Jøsendal, O., Wadsworth, S., & Pettersen, H. S. (2014). Anabole-androgene steroider – en oversikt. [Anabolic-androgenic steroids – an overview]. Tidsskrift for Norsk Psykologforening, 51, 22–28.
Sagoe, D., Molde, H., Andreassen, C. S., Torsheim, T., & Pallesen, S. (2014). The global epidemiology of anabolic-androgenic steroid use: A meta-analysis and meta-regression analysis. Annals of Epidemiology, 24, 383–398.
Sagoe, D., Andreassen, C. S., & Pallesen, S. (2014). The aetiology and trajectory of anabolic-androgenic steroid use initiation: A systematic review and synthesis of qualitative research. Substance Abuse Treatment, Prevention, and Policy, 9, 27. doi: 10.1186/1747-597X-9-27
2012
Sagoe, D. (2012). Precincts and prospects in the use of focus groups in social and behavioral science research. The Qualitative Report, 17, 1–16.
2006
Pallesen, S., Jøsendal, O., Johnsen, B. H., Larsen, S., & Molde, H. (2006). Anabolic steroid use in high school students. Substance Use & Misuse, 41, 1705–1717.
Books and others
Petróczi, A., Gleaves, J., de Hon, O., Sagoe, D., & Saugy, M. (2022). Prevalence of doping in sport. In D. R. Mottram, & N. Chester (Eds.), Drugs in sports (8th ed., pp. 37–71). Abingdon, Oxon: Routledge. doi: 10.4324/9781003096160-4
Sagoe, D., Andreassen, C. S., & Pallesen, S. (2019). Pathways to anabolic-androgenic steroid use initiation: A systematic review and meta-synthesis. Research and Advances in Psychiatry, 6, 55.
Sagoe, D. (2018). Skin bleaching – A serious global public health issue. BestPractice Dermatologi, 30, 20–21.
Lauritzen, F., Wiik-Johansen, P., Heierdal, M., Helle, C., Sagoe, D., Velsvik, R., Røkenes, B., & Thorsby, P. M. (2017). Doping and public health. Oslo: Antidoping Norge.
Sagoe, D., Eide, T. A., Øhrn, H., Leino, T., Mentzoni, R. A., & Pallesen, S. (2017). Do negative wins motivate gambling intensity, game evaluation, and gambling beliefs? Ontario: Gambling Research Exchange Ontario.
Sagoe, D., Mentzoni, R. A., Leino, T., Molde, H., Haga, S., Gjernes, M. F., Hanss, D., & Pallesen, S. (2017). Slot machine gambling behaviours are unaffected by alcohol. Ontario: Gambling Research Exchange Ontario.
Leino, T., Torsheim, T., Pallesen, S., Blaszczynski, A., Sagoe, D., & Molde, H. (2016). Tracking gambling online: What can be learned about losses disguised as wins? Ontario: Gambling Research Exchange Ontario.
Sagoe, D. (2014). Methods used in a meta-analysis and meta-regression analysis of the global epidemiology of anabolic-androgenic steroid use. SAGE Research Methods Cases, doi: 10.4135/978144627305014537438
Conference presentations
The global prevalence of anabolic-androgenic steroid use. Conference on the Public Health Implications of Anabolic Androgenic Steroid Use, Manchester Metropolitan University, UK. 10th November, 2020. Oral.
Heterosexual women’s ratings of the physical and romantic attractiveness of perceived anabolic steroid-using men. 21st Conference on Social and Community Psychology, Bergen. 20th November, 2020. Oral.
A systematic review and meta-analysis of experimental studies on the effect of anabolic-androgenic steroid administration on aggression among healthy males. 21st Conference on Social and Community Psychology, Bergen. 20th November, 2020. Oral.
Prevalence of shift work disorder: A review and meta-analysis. Working Hours, Health, Well-Being and Participation in Working Life (WOW) Symposium, Finnish Institute of Occupational Health, Helsinki, Finland. 11th November, 2020. Oral.
An emotional explanation for antisocial behaviours among anabolic steroid dependents. Research Seminar of the Department of Psychosocial Science, University of Bergen. 6th December, 2016. Oral.
The Dark Triad and Big Five personality traits in anabolic-androgenic steroid users and non-users. 16th European Congress of Psychology, Moscow, Russia. 2nd-5th July, 2019. Oral
Pathways to anabolic-androgenic steroid use initiation: A systematic review and meta-synthesis. 6th International Conference von Novel Psychoactive Substances, Maastricht Netherlands. 8th-9th April, 2019. Oral.
Pathways to anabolic steroid use: A systematic review and meta-synthesis. 19th Congress of the Section of Epidemiology and Social Psychiatry (European Psychiatric Association), Vienna, Austria. 4th-7th April, 2018. Oral.
The social perception of anabolic steroid users. International Conference on Doping and Public Health, Oslo. 7th–9thJune, 2017. Oral.
Aggression is associated with increased anabolic-androgenic steroid use contemplation among adolescents. Research Seminar of the Department of Psychosocial Science, University of Bergen. 9th December, 2016. Oral.
Doping og aggresjon. Antidoping Norge seminar, Lillestrøm, 15th November, 2016. Oral.
Anabolic steroid abuse: Prevalence and polypharmacy. Anabolic Steroids: Evidence and Engagement Conference organized by the Institute for Public Health, Liverpool John Moores University, UK. 22nd June, 2016. Oral.
Polypharmacy among anabolic steroid abusers. 15th Congress of the International Federation of Psychiatric Epidemiology. Bergen. 9th October, 2015. Oral.
Anabolic steroid abuse in the Nordic countries: A systematic review. 5th Nordic Conference on Appearance and Performance Enhancing Drugs and Anti-Doping Work. Helsinki, Finland. 24th to 25th September, 2015. Poster.
Anabolic steroids: Initiation, prevalence, and mental health effects. Anti-Doping Norway’s Seminar. Oslo. 3rdSeptember, 2015. Oral.
Addictions among youth. Catholic Archdiocese of Cape Coast Summer School. St. Augustine’s College, Cape Coast, Ghana. July 2015. Oral.
Illicit anabolic steroid use prevalence: Global to Nordic. Research Seminar of the Department of Psychosocial Science, University of Bergen. 12th December, 2014. Oral.
Illicit anabolic steroid use initiation: A qualitative metasynthesis.16th Conference on Social and Community Psychology, Trondheim. 20th–21st November, 2014. Oral.
Illicit anabolic steroid use: Global and Nordic prevalence. Helse Bergen and Anti-Doping Norway’s Anabolic Steroids Seminar. Bergen. 12th November, 2014. Oral.
The global epidemiology of anabolic-androgenic steroid use. International Epidemiological Association’s World Congress of Epidemiology. Anchorage, Alaska, USA. 17th–21st August, 2014. Oral.
Ghanaian youth’s drug use: The role of stressful life events and perceived social support. 14th Conference on Social and Community Psychology, Trondheim. November 2012. Oral.