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Browsing Greinar- HÍ by Subject "Unglingar"

Browsing Greinar- HÍ by Subject "Unglingar"

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  • Arnarsson, Arsaell; Kristofersson, Gisli; Bjarnason, Thoroddur (Wiley, 2017-07-28)
    Introduction. Over the past two decades, alcohol consumption of Icelandic adolescents has decreased dramatically. The aim of this study was to quantify the extent of this reduction and compare it with the trend in cannabis use over a 20 year period and ...
  • Arnarsson, Arsaell; Gísladóttir, Kristín Heba; Jonsson, Stefan Hrafn (Laeknabladid/The Icelandic Medical Journal, 2016-06-02)
    Inngangur: Kynferðisleg áreitni og ofbeldi gagnvart börnum og unglingum er ein alvarlegasta ógn við heilbrigði þeirra. Markmiðið var að rannsaka algengi og áhrif þess á íslenska unglinga í 10. bekk. Efniviður og aðferðir: Rannsóknin byggir á gögnum úr ...
  • Garmy, Pernilla; Hansson, Erika; Vilhjalmsson, Runar; Kristjánsdóttir, Gudrún (SAGE Publications, 2019-11-10)
    Bullying is defined as repeated and unwanted aggressive behavior involving a power imbalance and hurt children and adolescents’ socioemotional functioning. The aim is to investigate associations between pain (headache, stomach pain, backache, and ...
  • Ragnarsdóttir, Laufey Dís; Kristjansson, Alfgeir; Þórisdóttir, Ingibjörg E.; Allegrante, John; Valdimarsdottir, Heiddis; Gestsdóttir, Steinunn; Sigfúsdóttir, Inga Dóra (Elsevier BV, 2017-03)
    Early-life risk factors, such as family disruption, maltreatment, and poverty, can negatively impact children's scholastic abilities; however, most previous studies have relied on cross-sectional designs and retrospective measurement. This study ...
  • Hinriksdóttir, Gunnhildur; Tryggvadóttir, Ágústa; Ólafsdóttir, Anna Sigríður; Arngrímsson, Sigurbjörn Árni (Public Library of Science (PLoS), 2015-06-15)
    Introduction The interaction between fatness, fitness, and C-reactive protein (CRP) in adolescents is not well characterized but may be important to prevent low grade inflammation. The purpose of this study was to assess the relationship between ...
  • Galan-Lopez, Pablo; Ries, Francis; Gísladóttir, Þórdís Lilja; Domínguez, Raúl; Sánchez-Oliver, Antonio (MDPI AG, 2018-11-24)
    Childhood and adolescent obesity are currently among the greatest challenges for public health. Physical activity, physical fitness, and adherence to the Mediterranean diet (MD), representing powerful indicators of healthy lifestyles, are shown as ...
  • Ólafsdóttir, Sigríður; Sigurðsson, Baldur (Menntavísindasvið Háskóla Íslands, 2017-12-31)
    Frammistaða íslenskra 15 ára unglinga í lesskilningshluta PISA-rannsóknarinnar hefur dalað um 23 stig frá árinu 2000 til ársins 2015. Lækkunin nemur um hálfu skólaári, en munur á innfæddum nemendum og fyrstu kynslóð innflytjenda hefur nær tvöfaldast á ...
  • Pálsdóttir, Kolbrún Þ.; Arnarsson, Arsaell (Menntavísindastofnun Háskóla Íslands, 2018-12-31)
    Íslensk ungmenni byrja að stunda kynlíf að jafnaði fyrr en flest önnur evrópsk ungmenni. Unglingar sem byrja snemma að hafa samfarir eru í aukinni hættu á að upplifa neikvæðar afleiðingar kynlífs, svo sem þvingun, smitsjúkdóma og ótímabærar þunganir. ...
  • Kristjansson, Alfgeir; Þórisdóttir, Ingibjörg E.; Steingrimsdottir, Thora; Allegrante, John; Lilly, Christa L.; Sigfúsdóttir, Inga Dóra (Oxford University Press (OUP), 2017-05-28)
    Research on the impact of maternal smoking during pregnancy (MSDP) on scholastic achievement in the offspring has shown conflicting findings. The objective of this study was to assess the impact of MSDP on scholastic achievement in a birth cohort of ...
  • Gísladóttir, Thórdís; Haga, Monika; Sigmundsson, Hermundur (MDPI AG, 2019-07-20)
    The purpose of this study was twofold: First, to examine the correlation between adolescents' performance on the Movement Assessment Battery for Children -2 (MABC-2) and the Test of Motor Competence (TMC), and second, to interpret the correlation between ...
  • Bjerregaard, Anne A.; Halldorsson, Thorhallur; Kampmann, Freja B.; Olsen, Sjurdur F.; Tetens, Inge (Springer Nature, 2018-01-12)
    Background: With increased focus on dietary intake among youth and risk of diseases later in life, it is of importance, prior to assessing diet-disease relationships, to examine the validity of the dietary assessment tool. This study’s objective was ...
  • Sigfúsdóttir, Inga Dóra; Kristjansson, Alfgeir; Þórlindsson, Þórólfur; Allegrante, John (Oxford University Press (OUP), 2016-05-06)
    Stress and strain among adolescents have been investigated and discussed largely within three separate disciplines: mental health, where the focus has been on the negative effects of stress on emotional health; criminology, where the emphasis has been ...
  • Jónsdóttir, Kristín (European Network about Parents in Education, 2015)
    Students’ voices in research on parental involvement in schools are rather weak since many studies report only on opinions of parents and school personnel. This paper draws on findings from a study in 14 compulsory schools and uses data from ...
  • Guðjohnsen, Ragný Þóra; Aðalbjarnardóttir, Sigrún (Stofnun stjórnsýslufræða og stjórnmála við Háskóla Íslands, 2017-12-14)
    Markmið rannsóknarinnar er að kanna viðhorf ungmenna til pólitískrar þátttöku, annars vegar félagslegrar þátttöku, eins og að vernda umhverfið og vinna að mannréttindum, og hins vegar stjórnmálaþátttöku, eins og að kjósa og ganga í stjórnmálaflokk. ...
  • Sigursteinsdóttir, Hjördís; Halapi, Eva; Ólafsson, Kjartan (Menntavísindasvið Háskóla Íslands, 2014-12-22)
    Netnotkun hefur aukist mikið síðasta áratuginn og er orðin stór hluti af daglegu lífi margra, einnig ungmenna. Tækniþróun hefur leitt til þess að aðgengi að Netinu er ekki lengur bundið við heimatölvu og símalínu heldur er hægt að komast á Netið næstum ...