Eivind Ystrom

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BACKGROUND   Previous studies found notable rates of post-traumatic stress symptoms (PTSS) and post-traumatic stress disorder (PTSD) in pediatric patients and their parents and suggest a significant association between child and parent PTSS. However, little is known about mutual influences between child and parental PTSS over time. This study prospectively(More)
BACKGROUND Neonatal anxiety and depression and breastfeeding cessation are significant public health problems. There is an association between maternal symptoms of anxiety and depression and early breastfeeding cessation. In earlier studies, the causality of this association was interpreted both ways; symptoms of anxiety and depression prepartum(More)
BACKGROUND Knowledge is scarce on what contributes to whether children with early language delay (LD) show persistent, recovering or sometimes late-onset LD without a prior history of early LD in subsequent preschool years. AIMS To explore whether an integrative model of vital risk factors, including poor early communication skills, family history of(More)
BACKGROUND Paracetamol is used extensively during pregnancy, but studies regarding the potential neurodevelopmental sequelae of foetal paracetamol exposure are lacking. Method Between 1999 and 2008 all pregnant Norwegian women were eligible for recruitment into the prospective Norwegian Mother and Child Cohort Study. The mothers were asked to report on(More)
OBJECTIVE To investigate the impact of child gender, maternal education, and birth order on language comprehension (LC) status at 18 and 36 months of age and on the change in LC between these time points. Gender interactions and interactions between maternal education and birth order are also examined. METHODS This study is based on data from the(More)
Early dietary habits are formative for dietary habits later in life. Maternal personality might be an important factor in unhealthy feeding of children. The current study aims to assess the degree to which the personality trait of negative affectivity in mothers predicts their child's diet at age 18 months. This study is a part of the Norwegian Mother and(More)
OBJECTIVE Diet quality is related to the risk for depression and anxiety in adults and adolescents; however, the possible impact of maternal and early postnatal nutritional exposures on children's subsequent mental health is unexplored. METHOD The large prospective Norwegian Mother and Child Cohort Study recruited pregnant women between 1999 and 2008.(More)
To compare the prevalence and pattern of comorbid substance use disorders (SUD) between patients with schizophrenia, bipolar disorder, and depressive illness. Data on presence of alcohol use disorder (AUD) and non-alcohol drug use disorder (DUD) were retrieved from the Norwegian Patient Register for individuals born between 1950 and 1989 who in the period(More)
IMPORTANCE Childhood sleep problems have been linked to a range of adverse health outcomes, but there is limited knowledge as to the temporal association between sleep problems and subsequent emotional and behavioral problems in young children. OBJECTIVE To examine whether sleep problems in toddlers aged 18 months are related to both concurrent and(More)
OBJECTIVE Childhood overweight and rapid weight gain during the first months of life have been shown to be major risk factors for the development of later overweight. Studies in children show that there are temperamental risk factors for the development of overweight, but little is known about early infancy. METHODS The present study investigated the(More)