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Sökning: L773:1421 9697 OR L773:9783805599122

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  • Beghin, L, et al. (författare)
  • Nutritional and pubertal status influences accuracy of self-reported weight and height in adolescents: the HELENA Study
  • 2013
  • Ingår i: Annals of nutrition & metabolism. - : S. Karger AG. - 1421-9697 .- 0250-6807. ; 62:3, s. 189-200
  • Tidskriftsartikel (refereegranskat)abstract
    • <b><i>Background and Aims:</i></b> The aim of this study was to assess factors that have an effect on the accuracy of self-reported weight and height in adolescents. <b><i>Methods:</i></b> Weight and height of 3,865 European adolescents aged 12.5 to 17.5 years were self-reported via specific questionnaire. Then real weight and height were measured using accurate equipment and standardized protocols. Differences (D) between self-reported and measured weight and height were calculated, and factors that could have influenced the accuracy of self-reported weight and height were assessed. Data were analyzed using ANOVA, Student's t test and multivariate regression. <b><i>Results:</i></b> Adolescents underestimated their weight (D = -0.81 kg; n = 2,968) and overestimated their height (D = +0.74 cm; n = 3,308). Obese girls underestimated their weight (D = -4.70 kg) and overestimated their height (D = +0.22 cm) to a greater extent (p < 0.05) than obese boys (D = -3.13 kg and +0.14 cm for weight and height, respectively). Underestimation of weight (D = -1.25 kg) and overestimation of height (D = +0.15 cm) were only significant for girls who had finished puberty (Tanner stage 5). Socioeconomic status, nutritional knowledge, physical fitness, physical activity level, food choice and preference, and healthy eating behaviour had no significant influence on the accuracy of self-reported weight and height. <b><i>Conclusion:</i></b> Our data confirms that self-reports of weight and height made by adolescents are inaccurate and demonstrate that inaccuracy is strongly influenced by nutritional status, pubertal status and gender.
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  • Biörklund, Maria, et al. (författare)
  • Serum Lipids and Postprandial Glucose and Insulin Levels in Hyperlipidemic Subjects after Consumption of an Oat beta-Glucan-Containing Ready Meal.
  • 2008
  • Ingår i: Annals of Nutrition and Metabolism. - : S. Karger AG. - 0250-6807 .- 1421-9697. ; 52:2, s. 83-90
  • Tidskriftsartikel (refereegranskat)abstract
    • Background/Aims: To investigate whether a daily intake of a nutrient-balanced ready meal containing 4 g of oat beta-glucans lowers total cholesterol (T-C) and low-density-lipoprotein cholesterol (LDL-C) in hyperlipidemic subjects and to evaluate its effect on postprandial glucose and insulin concentrations. Methods: A parallel, placebo-controlled trial was carried out in 43 healthy men and women with elevated serum cholesterol levels. During the 3-week run-in period, all subjects consumed daily a ready-meal soup, low in energy and fat and high in fiber but without oat beta-glucans. Subjects were then randomly assigned for the following 5-week intervention period to either continue consumption of the control soup or an equal soup supplemented with beta-glucan. Results: Consumption of the beta-glucan-enriched ready meal decreased T-C (0.22 +/- 0.41 mmol/l) and LDL-C (0.16 +/- 0.36 mmol/l), but the reductions were not significantly lower compared with control. After a meal with beta-glucan soup, neither postprandial glucose nor insulin concentrations were significantly different from those after a control soup. Conclusion: A daily dose of 4 g of oat beta-glucans incorporated into a healthy ready meal did not significantly lower T-C and LDL-C compared with an equal ready meal without beta-glucans. Thus, if a food product fulfils general healthy dietary recommendations it may not necessarily be a candidate for supplementation with beta-glucans. Copyright (c) 2008 S. Karger AG, Basel.
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