| Health behavior and academic achievement among adolescents: the relative contribution of dietary habits, physical activity, body mass index, and self-esteem Á Logi Kristjánsson, I Dóra Sigfúsdóttir, JP Allegrante Health Education & Behavior 37 (1), 51-64, 2010 | 401 | 2010 |
| Health behaviour and academic achievement in Icelandic school children ID Sigfúsdóttir, AL Kristjánsson, JP Allegrante Health education research 22 (1), 70-80, 2007 | 400 | 2007 |
| Depressive symptoms, mental wellbeing, and substance use among adolescents before and during the COVID-19 pandemic in Iceland: a longitudinal, population-based study IE Thorisdottir, BB Asgeirsdottir, AL Kristjansson, HB Valdimarsdottir, ... The Lancet Psychiatry 8 (8), 663-672, 2021 | 267 | 2021 |
| Substance use prevention for adolescents: the Icelandic model ID Sigfúsdóttir, T Thorlindsson, ÁL Kristjánsson, KM Roe, JP Allegrante Health Promotion International 24 (1), 16-25, 2009 | 223 | 2009 |
| Adolescent substance use, parental monitoring, and leisure-time activities: 12-year outcomes of primary prevention in Iceland AL Kristjansson, JE James, JP Allegrante, ID Sigfusdottir, AR Helgason Preventive medicine 51 (2), 168-171, 2010 | 193 | 2010 |
| School climate and academic achievement in middle and high school students SM Daily, MJ Mann, AL Kristjansson, ML Smith, KJ Zullig Journal of school health 89 (3), 173-180, 2019 | 183 | 2019 |
| Adolescent substance use, sleep, and academic achievement: evidence of harm due to caffeine JE James, ÁL Kristjánsson, ID Sigfúsdóttir Journal of adolescence 34 (4), 665-673, 2011 | 166 | 2011 |
| Inga Dóra Sigfúsdóttir og Jón Sigfússon.(2006) ÁL Kristjánsson, H Pálsdóttir Vímuefnanotkun framhaldsskólanema á Íslandi. Rannsókn meðal …, 2004 | 141 | 2004 |
| Population trends in smoking, alcohol use and primary prevention variables among adolescents in Iceland, 1997–2014 AL Kristjansson, ID Sigfusdottir, T Thorlindsson, MJ Mann, J Sigfusson, ... Addiction 111 (4), 645-652, 2016 | 130 | 2016 |
| Substance use among youth during the COVID-19 pandemic: a systematic review HM Layman, IE Thorisdottir, T Halldorsdottir, ID Sigfusdottir, JP Allegrante, ... Current psychiatry reports 24 (6), 307-324, 2022 | 129 | 2022 |
| The role of parental support, parental monitoring, and time spent with parents in adolescent academic achievement in Iceland: A structural model of gender differences ÁL Kristjánsson, ID Sigfúsdóttir Scandinavian journal of educational research 53 (5), 481-496, 2009 | 129 | 2009 |
| Parental divorce and adolescent cigarette smoking and alcohol use: assessing the importance of family conflict AL Kristjansson, ID Sigfusdottir, JP Allegrante, AR Helgason Acta Paediatrica 98 (3), 537-542, 2009 | 123 | 2009 |
| A comparative analysis of general strain theory ID Sigfusdottir, AL Kristjansson, R Agnew Journal of Criminal Justice 40 (2), 117-127, 2012 | 121 | 2012 |
| Trends in physical activity and participation in sports clubs among Icelandic adolescents SÞ Eiðsdóttir, AL Kristjansson, ID Sigfusdottir, JP Allegrante European Journal of Public Health 18 (3), 289-293, 2008 | 117 | 2008 |
| Social correlates of cigarette smoking among Icelandic adolescents: a population-based cross-sectional study AL Kristjansson, ID Sigfusdottir, JP Allegrante, AR Helgason BMC Public Health 8, 1-8, 2008 | 112 | 2008 |
| Stress and adolescent well-being: the need for an interdisciplinary framework ID Sigfusdottir, AL Kristjansson, T Thorlindsson, JP Allegrante Health promotion international 32 (6), 1081-1090, 2017 | 106 | 2017 |
| Licit and illicit substance use by adolescent e-cigarette users compared with conventional cigarette smokers, dual users, and nonusers AL Kristjansson, MJ Mann, ID Sigfusdottir Journal of Adolescent Health 57 (5), 562-564, 2015 | 105 | 2015 |
| Development and guiding principles of the Icelandic model for preventing adolescent substance use AL Kristjansson, MJ Mann, J Sigfusson, IE Thorisdottir, JP Allegrante, ... Health promotion practice 21 (1), 62-69, 2020 | 102 | 2020 |
| Data collection procedures for school‐based surveys among adolescents: The Youth in Europe Study AL Kristjansson, J Sigfusson, ID Sigfusdottir, JP Allegrante Journal of school health 83 (9), 662-667, 2013 | 100 | 2013 |
| Inga Dóra Sigfúsdóttir og Jón Sigfússon.(2009) ML Guðmundsdóttir, ÁL Kristjánsson Ungt fólk 2009, 8., 9. og 10. bekkur. Menntun, menning, tómstundir …, 2009 | 91 | 2009 |
