Responsibilities
Statistical methods. Epidemiology of drug use and abuse
Projects and publications
- Linn Gjersing, Ellen Johanna Amundsen, (2022). Increasing trend in accidental pharmaceutical opioid overdose deaths and diverging overdose death correlates following the opioid prescription policy liberalization in Norway 2010–2018. International journal of drug policy s. 1-8. doi: 10.1016/j.drugpo.2022.103785
- Ellen Johanna Amundsen, Anne Line Bretteville-Jensen, Ingeborg Margrete Rossow, (2022). Patients admitted to treatment for substance use disorder in Norway: a population-based case–control study of socio-demographic correlates and comparative analyses across substance use disorders. BMC Public Health s. 1-12. doi: 10.1186/s12889-022-13199-5
- Ingeborg Margrete Rossow, Ellen Johanna Amundsen, Sven Ove Samuelsen, (2020). Socio‐economic differences in all‐cause mortality in people with alcohol use disorder: a prospective cohort study. Addiction s. 53-59. doi: 10.1111/add.15070
- Neil Goulding, Niel Goulding, Matthew Hickman, Malcolm Reid, Ellen J Amundsen, Jose Antonio Baz-Lomba, Jake W O'Brien, Ben J Tscharke, Pim de Voogt, Erik Emke, Wil Kuijpers, Wayne Hall, Hayley E Jones, (2020). A comparison of trends in wastewater-based data and traditional epidemiological indicators of stimulant consumption in three locations. Addiction s. 462-472. doi: 10.1111/add.14852
- Hallvard Gjerde, Linn Gjersing, Jose Antonio Baz-Lomba, Lubertus Bijlsma, Noelia Salgueiro-González, Håvard Furuhaugen, Anne Line Bretteville-Jensen, Félix Hernández, Sara Castiglioni, Ellen Johanna Amundsen, Ettore Zuccato, (2019). Drug use by music festival attendees: A novel triangulation approach using self-reported data and test results of oral fluid and pooled urine samples. Substance Use & Misuse s. 2317-2327. doi: 10.1080/10826084.2019.1646285
- Torbjørn Wisløff, Richard Aubrey White, Olav Dalgard, Ellen Johanna Amundsen, Hinta Meijerink, Hilde Kløvstad, (2018). Feasibility of reaching world health organization targets for hepatitis C and the cost‐effectiveness of alternative strategies. Journal of Viral Hepatitis s. 1066-1077. doi: 10.1111/jvh.12904
- Torbjørn Wisløff, Richard Aubrey White, Olav Dalgard, Ellen Johanna Amundsen, Hinta Meijerink, Astrid Louise Løvlie, Hilde Kløvstad, (2018). Economic Evaluation of Direct-Acting Antivirals for Hepatitis C in Norway. PharmacoEconomics (Auckland) s. 591-601. doi: 10.1007/s40273-017-0604-3
- Hinta Meijerink, Richard White, Astrid Louise Løvlie, Birgitte Freiesleben De Blasio, Olav Dalgard, Ellen Johanna Amundsen, Espen Melum, Hilde Kløvstad, (2017). Modelling the burden of hepatitis C infection among people who inject drugs in Norway, 1973–2030. BMC Infectious Diseases doi: 10.1186/s12879-017-2631-2
- Ellen Johanna Amundsen, (2017). Lack of overlap and large discrepancies in the characteristics of the deceased in two sources of drug death. A linkage study of the Cause of Death and the Police Registries in Norway 2007-2009. International journal of drug policy s. 74-79. doi: 10.1016/j.drugpo.2016.12.016
- Ellen Johanna Amundsen, Anne Line Bretteville-Jensen, Ludwig Kraus, (2016). Estimating incidence of problem drug use using the Horwitz-Thompson estimator – A new approach applied to people who inject drugs in Oslo 1985–2008. International journal of drug policy s. 36-42. doi: 10.1016/j.drugpo.2015.11.001
- Ludwig Kraus, Ståle Østhus, Ellen Johanna Amundsen, Daniela Piontek, Janne Härkönen, Stéphane Legleye, Kim Bloomfield, Pia Mäkelä, Jonas Landberg, Jukka Törrönen, (2015). Changes in mortality due to major alcohol-related diseases in four Nordic countries, France and Germany between 1980 and 2009: A comparative age-period-cohort analysis. Addiction s. 1443-1452. doi: 10.1111/add.12989
- Ellen Johanna Amundsen, (2015). Drug-related causes of death: Socioeconomic and demographic characteristics of the deceased. Scandinavian Journal of Public Health s. 571-579. doi: 10.1177/1403494815585909
- Knut Boe Kielland, Ellen Johanna Amundsen, Olav Dalgard, (2014). HCV treatment uptake in people who have injected drugs — observations in a large cohort that received addiction treatment 1970–1984. Scandinavian Journal of Gastroenterology s. 1465-1472. doi: 10.3109/00365521.2014.968860
- Ellen Johanna Amundsen, Malcolm James Reid, (2014). Self-reports of consumption of amphetamines, cocaine and heroin in a survey among marginalized drug users. Science of the Total Environment s. 740-745. doi: 10.1016/j.scitotenv.2013.12.098
- Knut Boe Kielland, Gerd Jorunn Møller Delaveris, Sidsel Rogde, Tor Jacob Eide, Ellen Johanna Amundsen, Olav Dalgard, (2014). Liver fibrosis progression at autopsy in injecting drug users infected by hepatitis C: A longitudinal long-term cohort study. Journal of Hepatology s. 260-266. doi: 10.1016/j.jhep.2013.09.022
- Albert Sanchez-Niubo, Odd O. Aalen, Antonia Domingo-Salvany, Ellen Johanna Amundsen, Josep Fortiana, Kjetil Røysland, (2013). A multi-state model to estimate incidence of heroin use. BMC Medical Research Methodology doi: 10.1186/1471-2288-13-4
- Knut Boe Kielland, Kjell Skaug, Ellen Johanna Amundsen, Olav Dalgard, (2013). All-cause and liver-related mortality in hepatitis C infected drug users followed for 33 years: a controlled study. Journal of Hepatology s. 31-37. doi: 10.1016/j.jhep.2012.08.024
- Ellen Johanna Amundsen, (2012). Low level of alcohol drinking among two generations of non-Western immigrants in Oslo: a multi-ethnic comparison. BMC Public Health doi: 10.1186/1471-2458-12-535
- Malcolm James Reid, Katherine Langford, Merete Grung, Hallvard Gjerde, Ellen Johanna Amundsen, Jørg Mørland, Kevin V Thomas, (2012). Estimation of cocaine consumption in the community: a critical comparison of the results from three complimentary techniques. BMJ Open doi: 10.1136/bmjopen-2012-001637
- Ståle Østhus, Ellen Johanna Amundsen, (2011). Estimating levels and trends in alcohol use : investigating the validity of estimates based on Norwegian population surveys. Norsk Epidemiologi s. 25-34. doi: 10.5324/nje.v21i1.1422
- Ellen Johanna Amundsen, Anne Line Bretteville-Jensen, Ludwig Kraus, (2011). A method to estimate total entry to hard drug use : The case of intravenous drug use in Norway. European Addiction Research s. 129-135. doi: 10.1159/000324341
- Einar Ødegård, Ellen Johanna Amundsen, Knut Boe Kielland, Ragnar Kristoffersen, (2010). The contribution of imprisonment and release to fatal overdose among a cohort of Norwegian drug abusers. Addiction Research and Theory s. 51-58. doi: 10.3109/16066350902818851
- Ellen Johanna Amundsen, Edle Ravndal, (2010). Does successful school-based prevention of bullying influence substance use among 13-to 16-year-olds?. Drugs: education prevention and policy s. 42-54. doi: 10.3109/09687630802095591
- Ellen Johanna Amundsen, Anne Line Bretteville-Jensen, (2010). Hard drug use in Norway. Nordic Studies on Alcohol and Drugs s. 87-94.
- Edle Ravndal, Ellen Johanna Amundsen, (2010). Mortality among drug users after discharge from inpatient treatment: An 8-year prospective study. Drug and Alcohol Dependence s. 65-69. doi: 10.1016
- Einar Ødegård, Ellen Johanna Amundsen, Knut Boe Kielland, (2007). Fatal overdoses and deaths by other causes in a cohort of Norwegian drug abusers. A competing risk approach. Drug and Alcohol Dependence s. 176-182.
- Kerstin Käll, Ulric Hermansson, Ellen Johanna Amundsen, Klas Rönnbäck, Sten Rönnberg, (2007). The Effectiveness of Needle Exchange Programmes for HIV Prevention. A critical review. Journal of Global Drug Policy and Practice
- Ellen Johanna Amundsen, (2006). Measuring effectiveness of needle and syringe exchange programmes for prevention of HIV among injecting drug users Editorial. Addiction s. 911-912. doi: 10.1111/j.1360-0443.2006.01519.x
- Ellen J Amundsen, Ingeborg Rossow, Svetlana Skurtveit, (2005). Drinking pattern among adolecents with immigrant and Norwegian backgrounds: A two-way influence?. Addiction s. 1453-1463. doi: 10.1111/j.1360-0443.2005.01177.x
- Ellen Johanna Amundsen, (2005). Prevalence Estimation of Problem Drug Use in Norway. The Multivariate Indicator Method. s. 45-49.
- Ellen J Amundsen, Hein Stigum, John-Arne Røttingen, Odd Olai Aalen, (2004). Definition and estimation of an actual reproduction number describing past infectious disease transmission: application to HIV epidemics among homosexual men in Denmark, Norway and Sweden. Epidemiology and Infection s. 1139-1149.
- Ellen Johanna Amundsen, Harald Weedon-Fekjær, (2003). Progression to AIDS slowed even more after the first two years with highly active antiretroviral therapy. Scandinavian Journal of Public Health s. 312-318. doi: 10.1080/14034940210165000
- Odd Olai Aalen, Tron Anders Moger, Ellen Amundsen, Solve Sæbø, Harald Weedon-Fekjær, (2003). Overlevelses- og forløpsanalyse: Det tematiske området Norevent. Norsk Epidemiologi s. 233-238.
- Linn Renathe Gjersing, Ellen Johanna Amundsen, (2018). Narkotika i Norge
- Ellen Johanna Amundsen, (2015). Narkotikautløste dødsfall
- Elin Kristin Bye, Ellen Johanna Amundsen, Marianne Lund, (2013). Bruk av tobakk, rusmidler og vanedannende legemidler i Norge - hovedfunn fra SIRUS’ befolkningsundersøkelse i 2012
- Grete Ostling Lauritzen, Ellen Johanna Amundsen, (2013). Pasienter tatt inn i behandling i 2011 for problemer knyttet til bruk av narkotiske stoffer og vanedannende legemidler. Nettrapport
- Astrid Skretting, Elisabet Storvoll, Jostein Rise, Grete Ostling Lauritzen, Mette Irmgard Snertingdal, Ellen Johanna Amundsen, Øystein Skjælaaen, Ståle Østhus, Elin Kristin Bye, Ingeborg Rossow, Anne Line Bretteville-Jensen, Odd Hordvin, Hilgunn Olsen, (2011). Utviklingstrekk på rusmiddelfeltet : Grunnlagsmateriale til regjeringens stortingsmelding om rusmiddelpolitikken
- Ingeborg Lund, Anne Line Bretteville-Jensen, Astrid Skretting, Jostein Rise, Sturla Bjørn Nordlund, Ellen Johanna Amundsen, (2010). Hva er misbruk og avhengighet?
- Anne Line Bretteville-Jensen, Ellen Johanna Amundsen, (2009). Forbruk av heroin i Norge
- Anne Line Bretteville-Jensen, Ellen Johanna Amundsen, (2009). Heroinforbruk og heroinbeslag i Norge
- Marte Ødegård Lund, Ellen Johanna Amundsen, (2008). Narkotikasituasjonen i kommunene 2002-2006. Nettrapport : basert på informasjon fra helse- og sosialetaten og politiet
- Tord Finne Vedøy, Ellen Johanna Amundsen, (2008). Rusmiddelbruk blant personer med innvandrerbakgrunn. Oversikter fra befolkningsundersøkelser
- Kristin Buvik, Ellen Johanna Amundsen, (2006). Narkotikasituasjonen i kommunene 2002-2004. Basert på informasjon fra helse- og sosialetaten og politiet. Nettrapport
- Anne Line Bretteville-Jensen, Ellen Johanna Amundsen, (2006). Omfang av sprøytemisbruk i Norge
- Ellen Johanna Amundsen, (2005). Alkohol- og tobakksbruk blant ungdom: hva betyr innvandrerbakgrunn? Resultater fra en helseundersøkelse blant 10. klassinger i Oslo 2000/2001
- Ellen Johanna Amundsen, Robert Lalla, (2005). Narkotikasituasjonen i kommunene. Resultater fra årene 2002 og 2003
- Ludwig Kraus, Rita Augustin, David Sapinho, Lucas Wiessing, Ellen Johanna Amundsen, (2005). Final Report: Synthetic estimation of problem drug use prevalence in the European Union EMCDDA Project (CT.02.P1.58) November 15,
- Ellen Johanna Amundsen, (2003). Aspects of HIV disease development in Denmark, Norway and Sweden : Quantitative development of epidemics, effect of national prevention strategies and of highly active antiretroviral treatment
- Anne-Karine Markeng Melsom, Maja-Lisa Løchen, Bjørn Odvar Eriksen, Ellen Johanna Amundsen, (2016). Amphetamine use among high risk drug users in Norway. A cross sectional survey.
- Knut Boe Kielland, Ellen Johanna Amundsen, Olav Dalgard, (2013). Treatment uptake of HCV-infection in a Norwegian cohort of people who inject drugs..
- Knut Boe Kielland, Gerd Jorunn Møller Delaveris, Sidsel Rogde, Ellen Johanna Amundsen, Tor Jacob Eide, Olav Dalgard, (2013). Liver fibrosis among people who inject drugs exposed to hepatitis C, assessed through examination of liver tissue from autopsies.
- Ellen Johanna Amundsen, (2013). Aspects of high risk drug use estimation, the Norwegian experience. Nordic Studies on Alcohol and Drugs s. 167-168. doi: 10.2478/nsad-2013-0012
- Ellen Johanna Amundsen, Anne Line Bretteville-Jensen, (2010). Etterspørselen etter heroin i Norge. Rus & samfunn s. 32-43.
- Edle Ravndal, Ellen J Amundsen, (2010). Mortality among drug users after discharge from inpatient treatment: An 8 year prospective study.
- Edle Ravndal, Ellen J Amundsen, (2010). Dødelighet blant stoffmisbrukere i en 8-års periode etter inntak i døgnbehandling – en prospektiv studie.
- Ellen Johanna Amundsen, (2007). Needle sharing. A reply to Wodak : Letter. Addiction s. 162-163. doi: 10.1111/j.1360-0443.2007.01719.x
- Ellen Johanna Amundsen, (2003). Toveis påvirkning i Oslo. Rus & Avhengighet s. 27-29.