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  • 1. Arvidsson Lenner, R
    et al.
    Carlgren, G
    Carlgren, G
    Hardell, LI
    Johansson, B
    Jonsson, G
    Samuelson, Gösta
    Sandström, B
    Food and nutrient intake in Swedish diabetic children1989In: Näringsforskning, Vol. 33, no 4, p. 149-53Article in journal (Other academic)
  • 2. Asp, NG
    et al.
    Hallberg, L
    Hallmans, G
    Samuelson, Gösta
    Reutersvärd, AL
    Iron nutrition in health and disease: Referat från ett internationellt symposium1996In: Scandinavian Journal of Nutrition, ISSN 1102-6489, Vol. 40, no 2, p. 76-80Article in journal (Refereed)
  • 3. Brattby, LE
    et al.
    Sandhagen, B
    Samuelson, Gösta
    Energiförbrukning, fysisk aktivitet och idrottsvanor hos 15-åringar i Uppsala och Trollhättan1998In: Scandinavian Journal of Nutrition, ISSN 1102-6489, Vol. 42, no 1, p. 31-34Article in journal (Refereed)
  • 4. Bratteby, L E
    et al.
    Sandhagen, B
    Fan, H
    Enghardt, H
    Samuelson, Gösta
    Total energy expenditure and physical activity as assessed by the doubly labeled water method in Swedish adolescents in whom energy intake was underestimated by 7-d diet records.1998In: American Journal of Clinical Nutrition, ISSN 0002-9165, E-ISSN 1938-3207, Vol. 67, no 5, p. 905-11Article in journal (Refereed)
    Abstract [en]

    Swedish children and adolescents may be adopting a sedentary lifestyle with low energy expenditures and intakes, but no quantitative data are available. The purpose of the present study in 50 adolescents aged 15 y was to investigate whether assessment of total energy expenditure (TEE) and physical activity level (PAL) by the doubly labeled water method and indirect calorimetry and estimation of energy intake by a 7-d diet record would indicate physical inactivity. The boys' (n = 25) mean weight was 112% and the girls' (n = 25) was 109% of Swedish reference values from 1976; the mean height of both boys and girls was 102% of those reference values. Mean TEE in the boys and girls, 13.82 +/- 1.90 and 10.70 +/- 1.59 MJ/d, and mean PAL (TEE/basal metabolic rate), 1.89 +/- 0.16 and 1.79 +/- 0.22, respectively, were nonsignificantly higher than corresponding figures from other published studies. Mean energy intake as a percentage of TEE was 81.9 +/- 17.9% in the boys and 78.3 +/- 16.4% in the girls. Significant negative correlations were found both between energy intake as a percentage of TEE and percentage body fat and between energy intake as a percentage of TEE and body mass index. These results add to the evidence that 7-d diet records underestimate energy intake in adolescents, particularly those with a tendency for overweight and increased body fat. The results support indications of a trend of increasing body weight and height in Swedish adolescents, but conflict with the presumptions of low physical activity, low energy expenditure, and low energy intake. These results support the view that current recommendations for energy intake during adolescence are too low.

  • 5.
    Bratteby, L-E
    et al.
    University Hospital, Department of Medical Sciences, Clinical Physiology.
    Sandhagen, B
    Hospital, Department of Medical Sciences, Clinical Physiology.
    Samuelson, Gösta
    University West, Department of Nursing, Health and Culture, Division of Advanced Nursing.
    Physical activity, energy expenditure and their correlates in two cohorts of Swedish subjects between adolescence and early adulthood2005In: European Journal of Clinical Nutrition, ISSN 0954-3007, E-ISSN 1476-5640, Vol. 59, no 11, p. 1324-34Article in journal (Refereed)
    Abstract [en]

    OBJECTIVE: To assess physical activity and energy expenditure and to identify their correlates during adolescence and early adulthood. DESIGN: In a cohort study, total energy expenditure (TEE) and physical activity level (PAL) were assessed at 15 and 21 y from a 7-day activity diary and predicted BMR. The influences on TEE and PAL of body size, gender, sexual maturity, physical activity habits, sitting time, region, social conditions, employment, food habits, smoking and alcohol intake were examined in multivariate analyses.Subjects:71 male and 89 female subjects, living in two socioeconomically different regions of Sweden, a university region and an industrial region. SETTING: The university city of Uppsala and the industrial town of Trollhättan. RESULTS: At both 15 and 21 y, PAL and TEE were high, with gender, sitting time and physical activity habits as main correlates. At age 21 y, employment and the mother's educational level also appeared as significant correlates. The relations between the main variables and their correlates were more complex than at age 15 y, and the sitting time was reduced and the activity habits were changed. CONCLUSIONS: A reduction of daily sitting appears to be a major reason why high levels of physical activity and energy expenditure were maintained from 15 to 21 y of age in spite of changed and less frequent activity habits during this interval.

  • 6. Bruce, Å
    et al.
    Hagman, U
    Persson, LÅ
    Samuelson, Gösta
    Sjölin, S
    Näringsintag hos svenska barn: Resultat från en multicenter studie 1980-19811984In: Vår föda, ISSN 0042-2657, Vol. 36, no suppl 2, p. 61-134Article in journal (Other academic)
  • 7.
    Gellerstedt, Martin
    et al.
    University West, Department of Economics and IT, Division of Computer Science and Informatics.
    Magnusson, J.
    Sahlgrenska University Hospital, Göteborg.
    Gråsjö, Urban
    University West, Department of Economics and IT, Divison of Law, Economics, Statistics and Politics.
    Ahlstedt, S
    Karolinska institutet, Stockholm.
    Bengtsson, U
    Sahlgrenska University Hospital, Göteborg.
    Interpretation of subjective symptoms in double-blind placebo-controlled food challenges: interobserver reliability2004In: Allergy. European Journal of Allergy and Clinical Immunology, ISSN 0105-4538, E-ISSN 1398-9995, Vol. 59, no 3, p. 354-356Article in journal (Refereed)
    Abstract [en]

    Background: Subjective symptoms after food challenges are difficult to interpret and no standard is available. We discuss a strategy for how to interpret a diary. Furthermore, the interobserver reliability is evaluated.

    Methods: Diaries for 32 patients with subjective symptoms were used. The diaries were re-evaluated with a predefined strategy by three independent observers.

    Results: The proportion of positives was 21.9% among the old diagnoses, according to the new approach 34.4% (observers I and II) and 37.5% (observer III) were positive. The new approach had high interobserver reliability (97 and 100%).

    Conclusions: The proportion of positives depends on how subjective symptoms are interpreted. Interpretations of subjective symptoms in diaries could be made with high interobserver reliability.

    The double-blind placebo-controlled food challenge (DBPCFC) is the gold standard for diagnosing food hypersensitivity (1–5). However, DBPCFC needs further standardization regarding essential issues, e.g. quantity of food, vehicles, blinding, dose titration and interpretation of symptoms (2, 3, 6–10). This study highlights the latter problem. For patients with several subjective symptoms that may occur in various degrees both on active and placebo provocations, a standardized strategy for interpretation would be valuable. Bindslev-Jensen et al. have theoretically illustrated that there may be great differences dependent on how placebo symptoms are treated (11, 12) and in a position paper (13) it is suggested that in situations when only subjective symptoms are present, several provocations must be used. The lack of an interpretation standard may be one reason for explaining the doubts regarding the value of subjective variables for making a diagnosis (9, 14). We discuss a strategy for how to interpret the symptom profile found in such a mixed sequence of active and placebo provocations. Furthermore, the interobserver reliability is evaluated.

  • 8.
    Gombos, Timea
    et al.
    Semmelweis University, IIIrd Department of Internal Medicine, Faculty of Medicine, 1125 Budapest, Hungary.
    Kertész, Krisztina
    Semmelweis University, Dietetical Service, Kútvölgyi Clinical Center, 1125 Budapest, Hungary.
    Csíkos, Ágnes
    Semmelweis University, IIIrd Department of Internal Medicine, Faculty of Medicine, 1125 Budapest, Hungary.
    Söderhamn, Ulrika
    University of Agder, Faculty of Health and Sport, 4809 Arendal, Norway.
    Söderhamn, Olle
    University West, Department of Nursing, Health and Culture, Division of Advanced Nursing.
    Prohászka, Zoltán
    Semmelweis University, IIIrd Department of Internal Medicine, Faculty of Medicine, 1125 Budapest, Hungary.
    Nutritional form for the elderly is a reliable and valid instrument for the determination of undernutrition risk, and it is associated with health-related quality of life2008In: Nutrition Research, ISSN 0271-5317, E-ISSN 1879-0739, Vol. 28, no 2, p. 59-65Article in journal (Refereed)
  • 9. Hambraeus, L
    et al.
    Holmgren, G
    Samuelson, Gösta
    Dietary treatment of adult patients with phenylketonuria1971In: Nutrition and metabolism, ISSN 0029-6678, Vol. 13, no 5, p. 298-317Article in journal (Refereed)
  • 10. Hedgran, M
    et al.
    Samuelson, Gösta
    Barnundersökningen 1980-811991In: Vår föda, ISSN 0042-2657, Vol. 43, no 1, p. 6-7Article in journal (Other academic)
  • 11. Hedgren, M
    et al.
    Arvidsson Lenner, R
    Samuelson, Gösta
    A dietary survey in adolescents: Methodological aspects of a 7-day food record1995In: Scandinavian Journal of Nutrition, ISSN 1102-6489, Vol. 39, no 2, p. 60-65Article in journal (Refereed)
  • 12. Hermansson, B
    et al.
    Holmgren, G
    Samuelson, Gösta
    Juvenile diabetes mellitus and atopy.1971In: Human Heredity, ISSN 0001-5652, E-ISSN 1423-0062, Vol. 21, no 5, p. 504-8Article in journal (Refereed)
  • 13. Isaksson, Björn
    et al.
    Hambraeus, Leif
    Vinnars, Erik
    Samuelson, Gösta
    Larsson, Jörgen
    Asp, Nils-Georg
    In memory of Arvid Wretlind 1919-20022002In: Scandinavian Journal of Nutrition/Næringsforskning, ISSN 1102-6480, E-ISSN 1651-2359, Vol. 46, no 3, p. 117-117Article in journal (Other academic)
  • 14. Olivecrona, T
    et al.
    Billström, A
    Fredrikzon, B
    Johnson, O
    Samuelson, Gösta
    Gastric lipolysis of human milk lipids in infants with pyloric stenosis.1973In: Acta paediatrica Scandinavica, ISSN 0001-656X, Vol. 62, no 5, p. 520-2Article in journal (Refereed)
  • 15. Persson, S
    et al.
    Samuelson, Gösta
    Sjölin, S
    Wallenius, G
    beta-Thalassaemia minor in two Swedish families.1967In: Scandinavian journal of haematology, ISSN 0036-553X, Vol. 4, no 5, p. 361-70Article in journal (Refereed)
  • 16. Persson, S
    et al.
    Samuelson, Gösta
    Sjölin, S
    Wallenius, G
    Beta-thalassaemia minor with an unusually high prevalence among siblings.1969In: Acta Haematologica, ISSN 0001-5792, E-ISSN 1421-9662, Vol. 41, no 4, p. 234-8Article in journal (Refereed)
  • 17. Samuelson, Gösta
    An epidemiological study of child health and nutrition in a northern Swedish county: III. Medical and anthropometrical examinations1971In: Acta paediatrica Scandinavica, ISSN 0001-656X, Vol. 60, no 6, p. 653-65Article in journal (Refereed)
  • 18. Samuelson, Gösta
    An Epidemiological Study of Child Health and Nutrition in a Nothern Swedish County1971Conference paper (Other academic)
  • 19. Samuelson, Gösta
    Dietary habits and nutritional status in adolescents over Europe. An overview of current studies in the Nordic countries.2000In: European Journal of Clinical Nutrition, ISSN 0954-3007, E-ISSN 1476-5640, Vol. 54, no Suppl 1, p. S21-8Article in journal (Refereed)
    Abstract [en]

    OBJECTIVE: To give an overview of the dietary habits among adolescents in the Nordic countries and to present results from studies showing the relationship between dietary habits and other lifestyle factors, nutritional status and socio-economic conditions.

    DESIGN: A number of nutritional studies among adolescents performed during recent decades using recalls, dietary records and food frequency questionnaire.

    SETTING: Denmark, Finland, Norway and Sweden.

    SUBJECTS: Adolescents aged 13-18 y.

    RESULTS: Food habits are characterized by an irregular meal pattern; many adolescents skip breakfast and also the school lunch, whereas most of them have dinner. However, snacking and light meals are very common, contributing 25-35% of the daily energy intake. Smoking is linked to their dietary habits as well as socio-economic conditions. Dietary intakes of vitamins and minerals are adequate for normal health and growth. Dietary calcium intake is high, whereas the intake of fibre, vitamin D, zinc and selenium and, in girls, iron is below the Nordic recommendations. Relatively low prevalence figures of iron deficiency were found. Many studies show a decrease over time in physical activity. The time spent in sedentary activities, such as television and video watching and computer games has increased during recent decades.

    CONCLUSION: Overweight and obesity are becoming more prevalent in all the Nordic countries, even though the prevalence figures are far below those in the USA. On the other hand, dieting girls are common, which might be a factor behind their irregular meal pattern and food choice. In a perspective, overweight and diseases attributable to obesity will be an immense challenge in the coming decades for both the individuals and the society as well.

  • 20. Samuelson, Gösta
    Dietary Lipid and Postnatal Development - referat från symposium i Milano oktober 19721973In: Näringsforskning : referattidskrift i näringsforskningsfrågor, ISSN 0027-7878, Vol. 17, p. 25-29Article in journal (Other academic)
  • 21. Samuelson, Gösta
    Folic acid: a key vitamin in nutrition2003In: Scandinavian Journal of Nutrition, ISSN 1102-6489, Vol. 47, no 1, p. 3-Article in journal (Other academic)
  • 22. Samuelson, Gösta
    Food warnings: a dilemma for scientists and the mass media2002In: Scandinavian Journal of Nutrition/Næringsforskning, ISSN 1102-6480, E-ISSN 1651-2359, Vol. 46, no 2, p. 57-57Article in journal (Refereed)
  • 23. Samuelson, Gösta
    Global strategy on diet, physical activity and health2004In: Scandinavian Journal of Nutrition/Næringsforskning, ISSN 1102-6480, E-ISSN 1651-2359, p. 57-57Article in journal (Refereed)
  • 24. Samuelson, Gösta
    Nutrition policies - Urgently needed in all countries1999In: Scandinavian Journal of Nutrition/Næringsforskning, ISSN 1102-6480, E-ISSN 1651-2359, Vol. 43, no 2, p. 49-Article in journal (Refereed)
  • 25. Samuelson, Gösta
    Nutritional science in the next millennium1999In: Scandinavian Journal of Nutrition/Næringsforskning, ISSN 1102-6480, E-ISSN 1651-2359, Vol. 43, no 3, p. 97-Article in journal (Refereed)
  • 26. Samuelson, Gösta
    Tidig programmering för sjukdomar1994In: Scandinavian Journal of Nutrition/Næringsforskning, ISSN 1102-6480, E-ISSN 1651-2359, no 1, p. 45-Article in journal (Other academic)
  • 27. Samuelson, Gösta
    Vitaminbehovet hos barn: [Vitamins. 16. The vitamin requirements of children].1972In: Läkartidningen, ISSN 0023-7205, E-ISSN 1652-7518, Vol. 69, p. Suppl 3:111-4Article in journal (Refereed)
  • 28. Samuelson, Gösta
    et al.
    Billström, A
    Fredrikzon, B
    Johnson, O
    Olivecrona, T
    Gastric lipolysis of human milk lipids in infants with pyloric stenosis.1973Conference paper (Other academic)
  • 29. Samuelson, Gösta
    et al.
    Brattby, LE
    Enghardt, H
    Hedgren, M
    Så äter svenska 15 åringar: Mer sött än grönt1997In: Vår föda, ISSN 0042-2657, Vol. 49, no 1, p. 3-9Article in journal (Refereed)
  • 30.
    Samuelson, Gösta
    et al.
    University West, Department of Health Sciences, Section for nursing - graduate level.
    Grahnén, H
    Arvidsson, E
    An epidemiological study of child health and nutrition in a northern Swedish county: VI. Relationship between general and oral health, food habits, and socioeconomic conditions1971In: American Journal of Clinical Nutrition, ISSN 0002-9165, E-ISSN 1938-3207, Vol. 24, no 11, p. 1361-73Article in journal (Refereed)
  • 31. Samuelson, Gösta
    et al.
    Grahnén, Hans
    Lindström, Göran
    An epidemiological study of child health and nutrtion in a northern Swedish county: V: Oral health studies1971In: Odontologisk Revy, ISSN 0029-8441, Vol. 22, p. 1-32Article in journal (Other academic)
  • 32. Samuelson, Gösta
    et al.
    Sjölin, S
    An epidermiological study of child health and nutrition in a northern Swedish county: IV. Haematological investigations, especially in regard to iron deficiency anaemia1972In: Acta paediatrica Scandinavica, ISSN 0001-656X, Vol. 61, no 1, p. 63-72Article in journal (Refereed)
  • 33.
    Samuelson, Gösta
    et al.
    University West, Department of Nursing, Health and Culture, Division of Advanced Nursing.
    Åman, Jan
    Lodefalk, Maria
    Detlofsson, Ingalill
    Cederholm, Ulla
    Vall, Helene
    Mat vid diabetes2008In: Barn och ungdomsdiabetes, Lund: Studentlitteratur , 2008, p. 93-102Chapter in book (Other academic)
  • 34.
    Von Post-Skagegård, M
    et al.
    University of Uppsala, Department of Public Health and Caring Sciences, Unit of Clinical Nutrition Research.
    Samuelson, Gösta
    University West, Department of Nursing.
    Karlström, B
    University of Uppsala, Department of Public Health and Caring Sciences, Unit of Clinical Nutrition Research.
    Mohsen, R
    University of Uppsala, Department of Public Health and Caring Sciences, Unit of Clinical Nutrition Research.
    Berglund, L
    University of Uppsala, Department of Public Health and Caring Sciences, Unit of Clinical Nutrition Research.
    Bratteby, L-E
    University of Uppsala, Department of Medical Sciences, Unit of Clinical Physiology.
    Changes in food habits in healthy Swedish adolescents during the transition from adolescence to adulthood2002In: European Journal of Clinical Nutrition, ISSN 0954-3007, E-ISSN 1476-5640, Vol. 56, no 6, p. 532-8Article in journal (Refereed)
    Abstract [en]

    OBJECTIVE: To investigate the change in food habits in Swedish adolescents between 15 and 21 y of age with reference to age, sex, region and socioeconomic background. DESIGN: A longitudinal study from 1993 to 1999. SETTING: Two different regions in Sweden, the university city of Uppsala and the industrial town of Trollhättan. SUBJECTS: On three different occasions, 1993, 1995 and 1999, 208 adolescents, 96 males and 112 females, were studied. METHODS: A food frequency questionnaire containing 29 different food groups was used. The questionnaire also contained questions about food habits and amounts of some food items and socioeconomic conditions of the participants and their families. RESULTS: At 17 and 21 y of age, the adolescents consumed significantly more often pasta, vegetables, coffee and tea compared to age 15, while the frequency consumption of fat spread, milk, bread, potatoes, carrots and buns and biscuits decreased. The changes between 15 and 17 were smaller than between age 17 and 21. At age 21, the males decreased their intake of fruit, while the females decreased their intake of meat. No-meat consumers among females increased from 2 to 13%. Higher educational level of the mothers of the adolescents was associated with more frequent consumption of vegetables and pasta between ages 17 and 21. Milk consumption decreased significantly in both sexes. Breakfast habits did not change: 90% had breakfast five times/week or more. CONCLUSIONS: Food habits change significantly during adolescence along with lifestyle changes. Therefore, health promotion during adolescence ought to be more supported by the society.

1 - 34 of 34
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