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40 results on '"Hansdottir, Ingunn"'

1. Predictors of treatment outcomes for Hepatitis C infection in a nationwide elimination program in Iceland: The treatment as prevention for Hepatitis C (TraP HepC) study

Author

Olafsson, Sigurdur, Love, Thorvardur Jon, Fridriksdottir, Ragnheidur Hulda, Tyrfingsson, Thorarinn, Runarsdottir, Valgerdur, Hansdottir, Ingunn, Bergmann, Ottar Mar, Björnsson, Einar Stefan, Johannsson, Birgir, Sigurdardottir, Bryndis, Löve, Arthur, Baldvinsdottir, Guðrún Erna, Thordardottir, Marianna, Hernandez, Ubaldo Benitez, Heimisdottir, Maria, Hellard, Margaret, and Gottfredsson, Magnus

Published
2024
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2. Cascade of care during the first 36 months of the treatment as prevention for hepatitis C (TraP HepC) programme in Iceland: a population-based study

Author

Olafsson, Sigurdur, Fridriksdottir, Ragnheidur H, Love, Thorvardur J, Tyrfingsson, Thorarinn, Runarsdottir, Valgerdur, Hansdottir, Ingunn, Bergmann, Ottar M, Björnsson, Einar S, Johannsson, Birgir, Sigurdardottir, Bryndis, Löve, Arthur, Baldvinsdottir, Gudrun E, Hernandez, Ubaldo Benitez, Gudnason, Thorolfur, Heimisdottir, Maria, Hellard, Margaret, and Gottfredsson, Magnus

Published
2021
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3. Addiction Treatment in Iceland

Author

Hansdóttir, Ingunn, Rúnarsdóttir, Valgerður Á., Tyrfingsson, Thorarinn, el-Guebaly, Nady, editor, Carrà, Giuseppe, editor, and Galanter, Marc, editor

Published
2015
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5. The Adult Reading History Questionnaire (ARHQ) in Icelandic: Psychometric Properties and Factor Structure

Author

Bjornsdottir, Gyda, Halldorsson, Jonas G., Steinberg, Stacy, Hansdottir, Ingunn, Kristjansson, Kristleifur, Stefansson, Hreinn, and Stefansson, Kari

Abstract

This article describes psychometric testing of an Icelandic adaptation of the "Adult Reading History Questionnaire" (ARHQ), designed to detect a history of reading difficulties indicative of dyslexia. Tested in a large and diverse sample of 2,187 adults, the Icelandic adaptation demonstrated internal consistency reliability (Cronbach's alpha = 0.92) and test--retest reliability (r = 0.93). Validity was established by comparing scores of adults who as children received ICD-10 diagnoses of specific reading disorder (F81.0; n = 419) to those of adults defined as nondyslexics (n = 679). ROC curve analysis resulted in an area under the curve of 0.92 (95% CI = 0.90, 0.93, p < 0.001) and a cutoff score of 0.43 with sensitivity of 84.5% and specificity of 83.7%. An exploratory factor analysis (n = 2,187) suggested three subscales, Dyslexia Symptoms, Current Reading, and Memory, the mean scores of which differed significantly among diagnosed dyslexics, relatives of dyslexics, and population controls. Our results support the applicability of the ARHQ in Icelandic as a self-report screening tool for adult dyslexia in Iceland.

Published
2014
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9. Sustained low prevalence of HCV viremia among people who inject drugs following the treatment as prevention for hepatitis C (TraP HepC) nationwide elimination program in Iceland

Author

Gottfredsson, Magnús, primary, Runarsdottir, Valgerdur, additional, Löve, Thorvardur J., additional, Fridriksdottir, Ragnheidur H., additional, Tyrfingsson, Thorarinn, additional, Hansdottir, Ingunn, additional, Bergmann, Ottar M., additional, Björnsson, Einar S., additional, Johannsson, Birgir, additional, Sigurdardottir, Bryndis, additional, Löve, Arthur, additional, Baldvinsdóttir, Guðrún Erna, additional, Thordardottir, Marianna, additional, Hernandez, Ubaldo Benitez, additional, Heimisdottir, Maria, additional, and Olafsson, Sigurdur, additional

Published
2022
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15. No restrictions should be placed on future treatment for patients who discontinue DAAs on their first or second attempt. A real world experience from the TraP HepC initiative in Iceland

Author

Olafsson, Sigurdur, primary, Löve, Thorvardur J., additional, Fridriksdottir, Ragnheidur H., additional, Tyrfingsson, Thorarinn, additional, Runarsdottir, Valgerdur, additional, Hansdottir, Ingunn, additional, Bergmann, Ottar M., additional, Björnsson, Einar S., additional, Johannsson, Birgir, additional, Sigurdardottir, Bryndis, additional, Löve, Arthur, additional, Baldvinsdóttir, Guðrún Erna, additional, Sigmundsdottir, Gudrun, additional, Hernandez, Ubaldo Benitez, additional, Heimisdottir, Maria, additional, and Gottfredsson, Magnús, additional

Published
2020
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17. A variant associated with nicotine dependence, lung cancer and peripheral arterial disease

Author

Thorgeirsson, Thorgeir E., Geller, Frank, Sulem, Patrick, Rafnar, Thorunn, Wiste, Anna, Magnusson, Kristinn P., Manolescu, Andrei, Thorleifsson, Gudmar, Stefansson, Hreinn, Ingason, Andres, Stacey, Simon N., Bergthorsson, Jon T., Thorlacius, Steinunn, Gudmundsson, Julius, Jonsson, Thorlakur, Jakobsdottir, Margret, Saemundsdottir, Jona, Olafsdottir, Olof, Gudmundsson, Larus J., Bjornsdottir, Gyda, Kristjansson, Kristleifur, Skuladottir, Halla, Isaksson, Helgi J., Gudbjartsson, Tomas, Jones, Gregory T., Mueller, Thomas, Gottsäter, Anders, Flex, Andrea, Aben, Katja K. H., de Vegt, Femmie, Mulders, Peter F. A., Isla, Dolores, Vidal, Maria J., Asin, Laura, Saez, Berta, Murillo, Laura, Blondal, Thorsteinn, Kolbeinsson, Halldor, Stefansson, Jon G., Hansdottir, Ingunn, Runarsdottir, Valgerdur, Pola, Roberto, Lindblad, Bengt, van Rij, Andre M., Dieplinger, Benjamin, Haltmayer, Meinhard, Mayordomo, Jose I., Kiemeney, Lambertus A., Matthiasson, Stefan E., Oskarsson, Hogni, Tyrfingsson, Thorarinn, Gudbjartsson, Daniel F., Gulcher, Jeffrey R., Jonsson, Steinn, Thorsteinsdottir, Unnur, Kong, Augustine, and Stefansson, Kari

Published
2008
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19. THU-412-Iceland may already have reached the WHO 2030 targets for diagnosis and treatment of hepatitis C virus infection: Results from the treatment as prevention for hepatitis C (Trap HepC) program

Author

Olafsson, Sigurdur, primary, Fridriksdottir, Ragnheidur H., additional, Tyrfingsson, Thorarinn, additional, Runarsdottir, Valgerdur, additional, Hansdottir, Ingunn, additional, Bergmann, Ottar M., additional, Björnsson, Einar S., additional, Johannsson, Birgir, additional, Sigurdardottir, Bryndis, additional, Love, Arthur, additional, Sigmundsdottir, Gudrun, additional, Josefsdottir, Kamilla S, additional, Hernandez, Ubaldo Benitez, additional, Love, Thorvardur Jon, additional, Heimisdottir, Maria, additional, and Gottfredsson, Magnús, additional

Published
2019
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20. PS-072-Is homelessness the biggest hurdle to treatment success in the management of HCV in the era of direct acting antivirals? Results from the TraP HepC nationwide treatment initiative in Iceland

Author

Gottfredsson, Magnús, primary, Love, Thorvardur, additional, Fridriksdottir, Ragnheidur H., additional, Tyrfingsson, Thorarinn, additional, Runarsdottir, Valgerdur, additional, Hansdottir, Ingunn, additional, Bergmann, Ottar M., additional, Bjornsson, Einar S., additional, Johannsson, Birgir, additional, Sigurdardottir, Bryndis, additional, Löve, Arthur, additional, Sigmundsdottir, Gudrun, additional, Josefsdottir, Kamilla, additional, Hernandez, Ubaldo B., additional, Heimisdottir, Maria, additional, and Olafsson, Sigurdur, additional

Published
2019
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21. Polygenic risk scores for schizophrenia and bipolar disorder associate with addiction

Author

Reginsson, Gunnar W., Ingason, Andres, Euesden, Jack, Bjornsdottir, Gyda, Olafsson, Sigurgeir, Sigurdsson, Engilbert, Oskarsson, Hogni, Tyrfingsson, Thorarinn, Runarsdottir, Valgerdur, Hansdottir, Ingunn, Steinberg, Stacy, Stefansson, Hreinn, Gudbjartsson, Daniel F., Thorgeirsson, Thorgeir E., Stefansson, Kari, Sálfræðideild (HÍ), Faculty of Psychology (UI), Læknadeild (HÍ), Faculty of Medicine (UI), Heilbrigðisvísindasvið (HÍ), School of Health Sciences (UI), Verkfræði- og náttúruvísindasvið (HÍ), School of Engineering and Natural Sciences (UI), Háskóli Íslands, and University of Iceland

Subjects
Male, Risk, Substance abuse, Multifactorial Inheritance, Bipolar Disorder, Áfengissýki, Substance-Related Disorders, Iceland, Cigarette Smoking, Geðklofi, psychotic disorders, mental disorders, substance abuse, Odds Ratio, Humans, Aged, Aged, 80 and over, Psychotic disorders, Geðhvarfasýki, Fíkn, Genetic Study, Tobacco Use Disorder, Middle Aged, Polygenic scores, Tóbaksnotkun, polygenic scores, Alcoholism, Fíkniefnaneysla, Schizophrenia, Original Article, Female
Abstract

We use polygenic risk scores (PRSs) for schizophrenia (SCZ) and bipolar disorder (BPD) to predict smoking, and addiction to nicotine, alcohol or drugs in individuals not diagnosed with psychotic disorders. Using PRSs for 144 609 subjects, including 10 036 individuals admitted for in‐patient addiction treatment and 35 754 smokers, we find that diagnoses of various substance use disorders and smoking associate strongly with PRSs for SCZ (P = 5.3 × 10−50–1.4 × 10−6) and BPD (P = 1.7 × 10−9–1.9 × 10−3), showing shared genetic etiology between psychosis and addiction. Using standardized scores for SCZ and BPD scaled to a unit increase doubling the risk of the corresponding disorder, the odds ratios for alcohol and substance use disorders range from 1.19 to 1.31 for the SCZ‐PRS, and from 1.07 to 1.29 for the BPD‐PRS. Furthermore, we show that as regular smoking becomes more stigmatized and less prevalent, these biological risk factors gain importance as determinants of the behavior., This study was funded in part by the National Institute on Drug Abuse (NIDA) (R01-DA017932 and R01-DA034076), and it received support from the European Community’s Seventh Framework Programme under the Marie Curie Industry Academia Partnership and Pathways (PsychDPC, GA 286213).

Published
2017

22. 928. Major Decrease in Prevalence of Hepatitis C Viremia in Key Populations following the Second Year of Treatment as Prevention for Hepatitis C (TraP HepC) Program in Iceland

Author

Gottfredsson, Magnus, primary, Tyrfingsson, Thorarinn, additional, Runarsdottir, Valgerdur, additional, Hansdottir, Ingunn, additional, Bergmann, Ottar M, additional, Bjornsson, Einar S, additional, Johannsson, Birgir, additional, Sigurdardottir, Bryndis, additional, Fridriksdottir, Ragnheidur H, additional, Löve, Arthur, additional, Löve, Thorvardur J, additional, Sigmundsdottir, Gudrun, additional, Hernandez, Ubaldo, additional, Heimisdottir, Maria, additional, and Olafsson, Sigurdur, additional

Published
2018
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27. Polygenic risk scores for schizophrenia and bipolar disorder associate with addiction

Author

Reginsson, Gunnar W., primary, Ingason, Andres, additional, Euesden, Jack, additional, Bjornsdottir, Gyda, additional, Olafsson, Sigurgeir, additional, Sigurdsson, Engilbert, additional, Oskarsson, Hogni, additional, Tyrfingsson, Thorarinn, additional, Runarsdottir, Valgerdur, additional, Hansdottir, Ingunn, additional, Steinberg, Stacy, additional, Stefansson, Hreinn, additional, Gudbjartsson, Daniel F., additional, Thorgeirsson, Thorgeir E., additional, and Stefansson, Kari, additional

Published
2017
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29. Sixteen-year follow-up of childhood avalanche survivors

Author

Thordardottir, Edda Bjork, primary, Valdimarsdottir, Unnur Anna, additional, Hansdottir, Ingunn, additional, Hauksdóttir, Arna, additional, Dyregrov, Atle, additional, Shipherd, Jillian C., additional, Elklit, Ask, additional, Resnick, Heidi, additional, and Gudmundsdottir, Berglind, additional

Published
2016
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36. God Locus of Health Control Scale

Author

Wallston, Kenneth A ., primary, Malcarne, Vanessa L., additional, Flores, Lise, additional, Hansdottir, Ingunn, additional, Smith, Craig A., additional, Stein, Mitchell J., additional, Weisman, Michael H., additional, and Clements, Philip J., additional

Published
1999
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39. Medical Signs and Symptoms Associated with Disability, Pain, and Psychosocial Adjustment in Systemic Sclerosis

Author

MALCARNE, VANESSA, HANSDOTTIR, INGUNN, McKINNEY, ANN, UPCHURCH, RENN, GREENBERGS, HELEN, HENSTORF, GRETCHEN, FURST, DANIEL, CLEMENTS, PHILIP, and WEISMAN, MICHAEL

Abstract

OBJECTIVE: To examine physician-assessed medical signs and patient-reported medical symptoms as correlates of 3 quality of life (QOL) outcomes in patients with systemic sclerosis (SSc): disability, pain, and psychosocial adjustment. METHODS: One hundred fourteen patients with SSc underwent a comprehensive clinical examination including determination of skin thickening [Modified Rodnan Skin Score (MRSS)]. Patients reported current symptoms and completed standardized questionnaires assessing disability and pain (Health Assessment Questionnaire) and psychosocial adjustment (Psychosocial Adjustment to Illness Scale). Regression analysis was used to examine physician-determined and patient-reported correlates of the 3 outcomes. RESULTS: MRSS was a significant correlate of all outcomes, although it explained only a small amount of the variance in psychosocial adjustment. Patient-reported postprandial bloating was the strongest correlate of psychosocial adjustment, explaining more than twice as much variance as MRSS. After accounting for MRSS, patient-reported dependent edema significantly correlated with all outcomes. For disability, significant correlates were physician-determined joint tenderness and number of tender points, and patient-reported joint pain on motion, joint contracture, extremity ulcers other than digital, and dyspnea. Patient-reported joint tenderness was significantly associated with pain. Regression analysis supported a model in which disability and pain mediated the relationship between MRSS and psychosocial adjustment. CONCLUSION: Skin score is strongly associated with disability and pain, but only weakly associated with psychosocial adjustment. Dependent edema has negative implications across quality-of-life outcomes. Disability and pain mediate the relationship between disease severity and psychosocial adjustment to disease. Assessment (including self-report of patient symptoms) of specific medical signs and symptoms may indicate SSc patients experiencing diminished QOL.

Published
2007

40. SAT344 - No restrictions should be placed on future treatment for patients who discontinue DAAs on their first or second attempt. A real world experience from the TraP HepC initiative in Iceland.

Author

Olafsson, Sigurdur, Löve, Thorvardur J., Fridriksdottir, Ragnheidur H., Tyrfingsson, Thorarinn, Runarsdottir, Valgerdur, Hansdottir, Ingunn, Bergmann, Ottar M., Björnsson, Einar S., Johannsson, Birgir, Sigurdardottir, Bryndis, Löve, Arthur, Baldvinsdóttir, Guðrún Erna, Sigmundsdottir, Gudrun, Hernandez, Ubaldo Benitez, Heimisdottir, Maria, and Gottfredsson, Magnús

Subjects
*TRAPPING, *EXPERIENCE
Published
2020
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