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Tor-Ivar Karlsen

Associate Professor

Associate Professor

 
Office:
C4021 ( Jon Lilletuns vei 9, Grimstad )
Office hours:
08:00-16:00

Projects

Psychosocial aspects of morbid obesity

Scientific publications

  • Vatnøy, Torunn Kitty; Karlsen, Tor-Ivar; Dale, Bjørg (2019). Exploring nursing competence to care for older patients in municipal in‐patient acute care: A qualitative study. Journal of Clinical Nursing. ISSN: 0962-1067. 28 (17-18). s 3339 - 3352. doi:10.1111/jocn.14914.
  • Benestad, Beate; Karlsen, Tor-Ivar; Småstuen, Milada Cvancarova; Lekhal, Samira; Hertel, Jens Kristoffer; Steinsbekk, Silje; Kolotkin, Ronette L.; Ødegård, Rønnaug; Hjelmesæth, Jøran (2019). Health-related quality of life after camp-based family obesity treatment: an RCT. BMJ Paediatrics Open. ISSN: 2399-9772. 3 (1). doi:10.1136/bmjpo-2018-000413.
  • Nordstrand, Sebjørg Elizabeth Hesla; Hansen, Berit M Hjelde; Rootwelt, Terje; Karlsen, Tor-Ivar; Swanson, David; Nilsen, Kristian Bernhard; Knudsen, Stine (2019). Psychiatric symptoms in patients with post-H1N1 narcolepsy type 1 in Norway. Sleep. ISSN: 0161-8105. 42 (4). doi:10.1093/sleep/zsz008.
  • Borgeraas, Heidi; Hjelmesæth, Jøran; Birkeland, Kåre I.; Fatima, Farhat; Grimnes, John Olav; Gulseth, Hanne Løvdal; Halvorsen, Erling; Hertel, Jens Kristoffer; Hillestad, Tor Olav Widerøe; Johnson, Line Kristin; Karlsen, Tor-Ivar; Kolotkin, Ronette L.; Kvan, Nils Petter; Lindberg, Morten; Lorentzen, Jolanta Halabowska; Nordstrand, Njord; Sandbu, Rune; Seeberg, Kathrine; Seip, Birgitte Karen Berggreen; Svanevik, Marius; Valderhaug, Tone Gretland; Hofsø, Dag (2019). Single-centre, triple-blinded, randomised, 1-year, parallel-group, superiority study to compare the effects of Roux-en-Y gastric bypass and sleeve gastrectomy on remission of type 2 diabetes and β-cell function in subjects with morbid obesity: a protocol for the Obesity surgery in Tønsberg (Oseberg) study. BMJ Open. ISSN: 2044-6055. 9 (6). doi:10.1136/bmjopen-2018-024573.
  • Nordstrand, Sebjørg Elizabeth Hesla; Hansen, Berit M Hjelde; Kamaleri, Yusman; Nilsen, Kristian Bernhard; Rootwelt-Revheim, Terje; Karlsen, Tor-Ivar; Knudsen, Stine (2018). Changes in quality of life in individuals with narcolepsy type 1 after the H1N1-influenza epidemic and vaccination campaign in Norway: a two-year prospective cohort study. Sleep Medicine. ISSN: 1389-9457. 50s 175 - 180. doi:10.1016/j.sleep.2018.05.037.
  • Arntsen, Bjørnulf; Torjesen, Dag Olaf; Karlsen, Tor-Ivar (2018). Drivers and Barriers of Inter-Municipal Cooperation in Health Services – The Norwegian Case. Local Government Studies. ISSN: 0300-3930. 44 (3). s 371 - 390. doi:10.1080/03003930.2018.1427071.
  • Karlsen, Tor-Ivar; Tveide, Marit Bolstad; Fensli, Rune Werner (2018). Factors affecting seniors' attitudes on the use of information technology. Linköping Electronic Conference Proceedings. ISSN: 1650-3686. 2018 (145). s 78 - 81.
  • Dagsland, Vigdis Halvorsen; Andenæs, Randi; Karlsen, Tor-Ivar (2018). Generic Health-Related Quality of Life May Not Be Associated with Weight Loss 4 Years After Bariatric Surgery: a Cross-Sectional Study. Obesity Surgery. ISSN: 0960-8923. s 1 - 9. doi:10.1007/s11695-018-3332-7.
  • Hjelmesæth, Jøran; Åsberg, Anders; Andersson, Shalini; Sandbu, Rune; Robertsen, Ida; Johnson, Line Kristin; Angeles, Philip Carlo Soriano; Hertel, Jens Kristoffer; Skovlund, Eva; Heijer, Maria; Ek, Anna-Lena; Krogstad, Veronica; Karlsen, Tor-Ivar; Christensen, Hege Staaland; Andersson, Tommy B; Karlsson, Cecilia (2018). Impact of body weight, low energy diet and gastric bypass on drug bioavailability, cardiovascular risk factors and metabolic biomarkers: protocol for an open, non-randomised, three-armed single centre study (COCKTAIL). BMJ Open. ISSN: 2044-6055. 8:e021878 (5). s 1 - 10. doi:10.1136/bmjopen-2018-021878.
  • Øgård-Repål, Anita; Strand, Ståle Arvill; Karlsen, Tor-Ivar (2017). Karakterpress, kroppspress og gjengpress - Fokusgruppeintervju av jenter i 9. klassetrinn etter funn fra Ungdata undersøkelsen. Tidsskrift for psykisk helsearbeid. ISSN: 1503-6707. 14 (2). s 109 - 120. doi:10.18261/issn.1504-3010-2017-02-03.
  • Skeivoll Christiansen, Wenche; Karlsen, Tor-Ivar; Larsen, Inger Beate (2017). Materiell og profesjonell stigmatisering av mennesker med sykelig overvekt. Nordisk tidsskrift for helseforskning. ISSN: 1504-3614. 13 (2). doi:10.7557/14.4195.
  • Svanevik, Marius; Risstad, Hilde; Karlsen, Tor-Ivar; Kristinsson, Jon Adalsteinn; Småstuen, Milada C; Kolotkin, Ronette L.; Søvik, Torgeir Thorson; Sandbu, Rune; Mala, Tom; Hjelmesæth, Jøran (2017). Patient-reported outcome measures 2 years after standard and distal gastric bypass-a double-blind randomized controlled trial. Obesity Surgery. ISSN: 0960-8923. 28 (3). s 606 - 614. doi:10.1007/s11695-017-2891-3.
  • Risstad, Hilde; Svanevik, Marius; Kristinsson, Jon Adalsteinn; Hjelmesæth, Jøran; AASHEIM, ERLEND T.; Hofsø, Dag; Søvik, Torgeir Thorson; Karlsen, Tor-Ivar; Fagerland, Morten; Sandbu, Rune; Mala, Tom (2016). Standard vs distal roux-en-Y gastric bypass in patients with body mass index 50 to 60 a double-blind, randomized clinical trial. JAMA Surgery. ISSN: 2168-6254. 151 (12). s 1146 - 1155. doi:10.1001/jamasurg.2016.2798.
  • Almås, Cecilie Brøvig; Almås, Elsa Mari; Karlsen, Tor-Ivar; Giami, Alain (2014). La sexologie en Norvège entre 2001et 2011: Une étude comparative = Sexology in Norway in 2001 and 2011: A comparative and cross-sectional study. Sexologies: revue europeenne de sante sexuelle - european journal of sexual health. ISSN: 1158-1360. 23 (1). s 14 - 17. doi:10.1016/j.sexol.2013.12.001.
  • Andersen, John Roger; Karlsen, Tor-Ivar; Kolotkin, Ronette Loganzo (2014). Obesity and Its Impact Upon Quality of Life. Integrative Weight Management. ISBN: 978-1-4939-0547-8. Springer. Part 2: Morbidity and Mortality of Obesity, kap. 15.
  • Almås, Cecilie Brøvig; Almås, Elsa Mari; Karlsen, Tor-Ivar; Giami, Alain (2014). Sexology in Norway in 2001 and 2011: A comparative and cross-sectional study. Sexologies: revue europeenne de sante sexuelle - european journal of sexual health. ISSN: 1158-1360. 23 (1). s e9 - e17. doi:10.1016/j.sexol.2013.12.002.
  • Karlsen, Tor-Ivar; Lund, Randi Størdal; Røislien, Jo; Tonstad, Serena; Natvig, Gerd Karin; Sandbu, Rune; Hjelmesæth, Jøran (2013). Health related quality of life after gastric bypass or intensive lifestyle intervention: a controlled clinical study. Health and Quality of Life Outcomes. ISSN: 1477-7525. 11doi:10.1186/1477-7525-11-17.
  • Karlsen, Tor-Ivar; Søhagen, Maryon; Hjelmesæth, Jøran (2013). Predictors of weight loss after an intensive lifestyle intervention program in obese patients: a 1-year prospective cohort study. Health and Quality of Life Outcomes. ISSN: 1477-7525. 11doi:10.1186/1477-7525-11-165.
  • Gjevestad, Espen Svendsen; Karlsen, Tor-Ivar; Røislien, Jo; Mæhlum, S.; Hjelmesæth, Jøran (2013). The effectiveness of secondary and tertiary care lifestyle intervention in morbidly obese patients: a 1-year non-randomized controlled pragmatic clinical trial. Clinical Obesity. ISSN: 1758-8103. 3 (1-2). s 39 - 50. doi:10.1111/cob.12011.
  • Lund, Randi Størdal; Karlsen, Tor-Ivar; Hofsø, Dag; Fredheim, Jan Magnus; Røislien, Jo; Sandbu, Rune; Hjelmesæth, Jøran (2011). Employment Is Associated with the Health-Related Quality of Life of Morbidly Obese Persons. Obesity Surgery. ISSN: 0960-8923. 21 (11). s 1704 - 1709. doi:10.1007/s11695-010-0289-6.
  • Karlsen, Tor-Ivar (2011). Obesity and its consequences. Interactions, Health and Community. ISBN: 9788884928023. EDIZIONI PLUS Pisa University Press. Chapter VIII. s 115 - 138.
  • Karlsen, Tor-Ivar; Tveitå, Einar; Natvig, Gerd Karin; Tonstad, Serena; Hjelmesæth, Jøran (2011). Validity of the SF-36 in Patients with Morbid Obesity. Obesity Facts. ISSN: 1662-4025. 4 (5). s 346 - 351. doi:10.1159/000333406.
  • Hofsø, Dag; Nordstrand, Njord; Johnson, Line Kristin; Karlsen, Tor-Ivar; Hager, Helle; Jenssen, Trond Geir; Bollerslev, Jens; Godang, Kristin; Sandbu, Rune; Røislien, Jo; Hjelmesæth, Jøran (2010). Obesity-related cardiovascular risk factors after weight loss: a clinical trial comparing gastric bypass surgery and intensive lifestyle intervention. European Journal of Endocrinology. ISSN: 0804-4643. 163 (5). s 735 - 745. doi:10.1530/EJE-10-0514.
  • Torjesen, Dag Olaf; Karlsen, Tor-Ivar; Kiland, Charlotte; Hansen, Morten Balle (2020). Antecedents of public service motivation, institutional differences and characteristics among Danish and Norwegian local government administrative top-managers.
  • Karlsen, Tor-Ivar; Giami, Alain; Benestad, Esben Esther Pirelli; Bolstad, Silje-Håvard; Almås, Elsa Mari (2019). Paths leading to suicide attempts among Norwegian trans people.
  • Bolstad, Silje-Håvard; Karlsen, Tor-Ivar; Benestad, Esben Esther Pirelli; Almås, Elsa Mari; Giami, Alain (2019). Gender Self Definition for Measuring Transition Pathways in Norway.
  • Giami, Alain; Panjo, Henri; Scandurra, Cristiano; Valerio, Paolo; Almås, Elsa Mari; Benestad, Esben Esther Pirelli; Karlsen, Tor-Ivar; Bolstad, Silje-Håvard; Moleiro, Carla; Alarcao, Violeta (2019). Access to health care among trans population in Europe.
  • Almås, Elsa Mari; Benestad, Esben Esther Pirelli; Karlsen, Tor-Ivar; Bolstad, Silje-Håvard; Giami, Alain (2019). Mental health in gender incongruent individuals below 20 years of age.
  • Almås, Elsa Mari; Benestad, Esben Esther Pirelli; Karlsen, Tor-Ivar; Bolstad, Silje-Håvard; Giami, Alain (2019). Sexual excitement and sexual attraction in individuals who experience gender incongruence in Norway.
  • Karlsen, Tor-Ivar (2019). Hvordan systematisere og bruke ny kunnskap fra befolkningsundersøkelser.
  • Karlsen, Tor-Ivar (2019). Hva forstår vi med et systematisk folkehelsearbeid?.
  • Karlsen, Tor-Ivar (2019). Hvilke faktorer er assosiert med folkehelsearbeidernes egenopplevde gjennomslag i kommunenes folkehelsearbeid? Data fra nasjonal kartlegging i prosjektet: Folkehelsearbeid i norske kommuner 2019 (FLINK 2019).
  • Kiland, Charlotte; Torjesen, Dag Olaf; Karlsen, Tor-Ivar (2019). The interplay between top civil servants and civil society in local government in the age of New Public Governance.

Last changed: 5.04.2019 12:04