• Consumption of energy drinks among adolescents in Norway: a cross-sectional study 

      Degirmenci, Naim; Fossum, Ingrid Nesdal; Strand, Tor A; Vaktskjold, Arild; Holten-Andersen, Mads Nikolaj (Peer reviewed; Journal article, 2018-12-19)
      Background: Energy drink (ED) consumption is increasing all over the world. We sought to describe the consumption of EDs among adolescents in Norway, and to explore the determinants of daily and high consumption. Methods: ...
    • Experiences with energy drink consumption among Norwegian adolescents 

      Kaldenbach, Siri; Strand, Tor Arne; Holten-Andersen, Mads Nikolaj (Journal article; Peer reviewed, 2023)
      The objective of the present study was to describe adolescents’ habits and experiences with energy drink (ED) consumption and the relation to the amount of ED consumed. We used the national cross-sectional study Ungdata, ...
    • Health-related behaviors in adolescents mediate the association between subjective social status and body mass index 

      Bjertnæs, Asborg Sine Aanstad; Schwinger, Catherine; Juliusson, Petur Benedikt; Strand, Tor A; Holten-Andersen, Mads Nikolaj; Bakken, Kjersti Sletten (Journal article; Peer reviewed, 2020)
      The aim of this study was to explore the association between adolescent subjective social status (SSS) and body mass index (BMI) at two different time points and to determine whether this association was mediated by ...
    • Inadequate Iodine Intake in Mothers of Young Children in Innlandet County, Norway 

      Aarsland, Tonje Eiane; Kaldenbach, Siri; Bakken, Kjersti Sletten; Solvik, Beate Stokke; Holten-Andersen, Mads Nikolaj; Strand, Tor Arne (Journal article; Peer reviewed, 2023)
      Background: Iodine has an essential role in child growth and brain development. Thus, sufficient iodine intake is particularly important in women of childbearing age and lactating women. Objectives: This cross-sectional ...
    • Iodine Nutrition in Children ≤2 years of Age in Norway 

      Aarsland, Tonje Eiane; Solvik, Beate Stokke; Bakken, Kjersti Sletten; Næss, Synnøve; Kaldenbach, Siri; Holten-Andersen, Mads Nikolaj; Nermo, Kristina Randjelovic; Fauskerud, Ingunn T.; Østvedt, Thobias Hans; Lohne, Solfrid; Gjengedal, Elin Lovise Folven; Strand, Tor Arne (Journal article; Peer reviewed, 2023)
      Background As a component of the thyroid hormones (THs), iodine is vital for normal neurodevelopment during early life. However, both deficient and excess iodine may affect TH production, and data on iodine status in ...
    • Modifiable and non-modifiable risk factors for obstetric anal sphincter injury in a Norwegian Region: a case–control study 

      Klokk, Ragnhild; Bakken, Kjersti Sletten; Markestad, Trond Jacob; Holten-Andersen, Mads Nikolaj (Journal article; Peer reviewed, 2022-04-01)
      Background: Obstetric anal sphincter injury (OASI) is a common and severe complication of vaginal delivery and may have short- and long-term consequences, including anal incontinence, sexual dysfunction and reduced quality ...
    • No significant associations between breastfeeding practices and overweight in 8-year-old children 

      Bjertnæs, Asborg Sine Aanstad; Grundt, Jacob Holter; Donkor, Hilde Mjell; Juliusson, Petur Benedikt; Wenzel-Larsen, Tore; Vaktskjold, Arild; Markestad, Trond; Holten-Andersen, Mads Nikolaj (Peer reviewed; Journal article, 2019)
      Aim: The aim was to examine if breastfeeding practices were associated with body mass index (BMI) and risk of overweight or obesity in third grade (8 years) of elementary school. Methods: In a regional cohort, we related ...
    • Sex-related change in BMI of 15- to 16-year-old Norwegian girls in cross-sectional studies in 2002 and 2017 

      Bjertnæs, Asborg Sine Aanstad; Grundt, Jacob Holter; Juliusson, Petur Benedikt; Markestad, Trond Jacob; Strand, Tor A; Holten-Andersen, Mads Nikolaj (Peer reviewed; Journal article, 2019-11-12)
      Background: The prevalence of overweight and obesity (OWOB) has stabilized in some countries, but a portion of children with high body mass index (BMI) may have become heavier. This study aimed to describe the distributions ...
    • Sleep and energy drink consumption among Norwegian adolescents – a cross-sectional study 

      Kaldenbach, Siri; Leonhardt, Marja; Lien, Lars; Bjertnæs, Asborg Sine Aanstad; Strand, Tor Arne; Holten-Andersen, Mads Nikolaj (Journal article; Peer reviewed, 2022)
      Background Adolescents are recommended to get 8–10 h of sleep at night, yet more than 80% fail to obtain this goal. Energy drink (ED) consumption has been linked to later bedtime in adolescents. Therefore, we aimed to ...
    • Social determinants and changes in energy drink consumption among adolescents in Norway, 2017-2019: a cross-sectional study 

      Kaldenbach, Siri; Strand, Tor Arne; Solvik, Beate Stokke; Holten-Andersen, Mads Nikolaj (Journal article; Peer reviewed, 2021)
      Objectives: To describe the social determinants and development in energy drink consumption among Norwegian adolescents in 2017, 2018 and 2019. Design: Cross-sectional, online, annual, nationwide surveys (Ungdata). ...
    • Vitamin B12 status in infancy and the effect of a vitamin B12 injection in infants with subclinical vitamin B12 deficiency: study protocol for a register-based randomised controlled trial 

      Bakken, Kjersti Sletten; Kvestad, Ingrid; Bjørkevoll, Sol Maja Graasvold; Solvik, Beate Stokke; Kaldenbach, Siri; McCann, Adrian; Holten-Andersen, Mads Nikolaj; Ersvær, Elisabeth; Konijnenberg, Carolien; Strand, Tor Arne (Journal article; Peer reviewed, 2023)
      Introduction: Vitamin B12 (cobalamin) is crucial for optimal child development and growth, yet deficiency is common worldwide. The aim of this study is twofold; (1) to describe vitamin B12 status and the status of other ...
    • Vitamin D Status and Its Determinants in a Paediatric Population in Norway 

      Holten-Andersen, Mads Nikolaj; Haugen, Johanne; Oma, Ingvild; Strand, Tor A (Journal article; Peer reviewed, 2020)
      Recommendations for sufficient vitamin D intake in children were recently revised in Norway. However, optimal levels of vitamin D are still debated and knowledge on supplementation and vitamin D levels in healthy children ...