Inga Thórsdóttir

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BACKGROUND/AIMS Validity and reproducibility were evaluated of a new questionnaire to assess fruit and vegetable intakes in 11- to 12-year-old children. METHODS The precoded teacher-assisted self-administered questionnaire included two sections: a 24-hour recall part and a food frequency part. Validity was tested in 4 countries (Denmark, Iceland, Norway,(More)
OBJECTIVE To investigate the effect of including seafood and fish oils, as part of an energy-restricted diet, on weight loss in young overweight adults. DESIGN Randomized controlled trial of energy-restricted diet varying in fish and fish oil content was followed for 8 weeks. Subjects were randomized to one of four groups: (1) control (sunflower oil(More)
CONTEXT Low birth weight is implicated as a risk factor for type 2 diabetes. However, the strength, consistency, independence, and shape of the association have not been systematically examined. OBJECTIVE To conduct a quantitative systematic review examining published evidence on the association of birth weight and type 2 diabetes in adults. DATA(More)
Weight loss and subsequent body weight maintenance are difficult for obese individuals despite the wide variety of dietary regimens and approaches. A substantial body of scientific evidence has shown that by simply varying the macronutrient distribution and composition of dietary factors, weight losses of varying amounts, longer-term body weight maintenance(More)
BACKGROUND Before starting interventions addressing energy-balance related behaviors, knowledge is needed about the prevalence of sedentary behaviors and low physical exercise, their interrelationships, possible gender differences. Therefore this study aimed to describe gender differences in sedentary and physical exercise behaviors and their association(More)
OBJECTIVE To investigate the relation between gestational weight gain in women of normal prepregnant weight and complications during pregnancy and delivery in a population with high gestational weight gain and birth weight. METHODS Healthy women (n = 615) of normal weight before pregnancy (body mass index 19.5-25.5 kg/m(2)) were randomly selected.(More)
OBJECTIVES To estimate global, regional (21 regions) and national (187 countries) sodium intakes in adults in 1990 and 2010. DESIGN Bayesian hierarchical modelling using all identifiable primary sources. DATA SOURCES AND ELIGIBILITY We searched and obtained published and unpublished data from 142 surveys of 24 h urinary sodium and 103 of dietary sodium(More)
The aim of this study was to determine the prevalence of dental erosion in young Icelandic adults (19–22 years old) and patients with gastroesophageal reflux disease (GERD), in relation to their soft drink consumption and gastroesophageal reflux. Eighty subjects (40 males and 40 females), comprising 57 young adults (mean age 21±2 years) and 23 GERD patients(More)
BACKGROUND Fruit and vegetable consumption is traditionally low in Iceland. The results of the Pro Children cross-Europe survey showed that the consumption was lowest among children in Iceland. The aim of this study was to identify determinants of fruit and vegetable intake among 11-year-old schoolchildren in Iceland. METHODS A cross-sectional survey was(More)