Article

Trends in dietary carbohydrate quality during puberty from 1988 to 2007: a cause for concern?

Research Institute of Child Nutrition, Rheinische Friedrich-Wilhelms-Universität Bonn, Dortmund, Germany.
The British journal of nutrition (Impact Factor: 3.45). 11/2010; 104(9):1375-83. DOI: 10.1017/S0007114510002278
Source: PubMed

ABSTRACT The extent to which the quality of dietary carbohydrates (CHO) changes throughout puberty is not known. We analysed trends in the quantity and quality of CHO intake among German adolescents by separately examining trends during puberty (pubertal trends) and trends in CHO intake from 1988 to 2007 (secular trends). Linear mixed-effects regression analyses were performed in 216 participants of the Dortmund Nutritional and Anthropometric Longitudinally Designed Study who had provided weighed 3 d dietary records at the onset of the pubertal growth spurt (defined by age at take-off) and over the subsequent 4 years. Over the course of puberty, CHO quality changed little: added sugar intake from beverages increased in girls (0·25 (se 0·12) % energy (% E)/year, P = 0·04) and added sugar intake from sweets decreased in both sexes (boys: - 0·22 (se 0·11) % E/year, P = 0·049; girls: - 0·20 (se 0·10) % E/year, P = 0·04). For both sexes, significant upward secular trends were observed for CHO (% E), glycaemic load (g/MJ) and added sugar intakes from sources other than sweets and soft drinks (% E), while absolute fibre intake (g/d) decreased (P ≤ 0·04). Concomitant increases in total added sugar intake (% E) and decreases in fibre and whole-grain densities (g/MJ) (P = 0·001-0·02) were confined to boys only. The quality of dietary CHO consumed by healthy German adolescents shows notable secular declines, but does not change markedly during puberty. Public health initiatives should be tailored to improve the overall quality of CHO nutrition.

0 Bookmarks
 · 
66 Views
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: Dietary factors, especially during early childhood, have been discussed as potentially critical for the development of childhood overweight. This study evaluated associations between added sugar intake during early childhood and BMI and body fat at age 7 y. Analysis was based on data from 216 participants of the Dortmund Nutritional and Anthropometric Longitudinally Designed (DONALD) Study. Life-course plots were constructed to evaluate the association between added sugar intake at different ages (0.5, 1, 1.5, and 2 y) and BMI SD score (BMI-SDS) and % body fat (%BF) at age 7 y. Multivariable analyses were performed for the periods identified as critical for later BMI and body fat. Added sugar intake at age 1 y and the change in intake levels during the second year of life emerged as potentially critical. At age 1 y, a higher total added sugar intake was related to a lower BMI-SDS at age 7 y [adjusted β ± SE: -0.116 ± 0.057 BMI-SDS/percent energy (%En) added sugar; P = 0.04]. Conversely, an increase in total added sugar in the second year of life (Δ%En between age 1 and 2 y) tended to be associated with a higher BMI-SDS (adjusted β ± SE: 0.074 ± 0.043 BMI-SDS/Δ%En added sugar; P = 0.09). No associations were observed with %BF. In conclusion, added sugar intake at low intake levels during early childhood does not appear to be critical for BMI and body fat at age 7 y. However, detrimental effects on BMI development may emerge when added sugar intakes are increased to higher levels.
    Journal of Nutrition 07/2011; 141(7):1348-54. · 4.20 Impact Factor
  • Source
    [Show abstract] [Hide abstract]
    ABSTRACT: Die DONALD Studie wird seit 1985 in Dortmund durchgeführt, um die komplexen Wechselwirkungen zwischen Ernährung, Stoffwechsel, Entwicklung und Wachstum bei gesunden Kindern zu analysieren. In die offene Kohorte werden jährlich etwa 40 Säuglinge neu eingeschlossen. Das engmaschige Studienprotokoll vom Säuglings- bis ins junge Erwachsenenalter umfasst anthropometrische Messungen, Drei-Tage-Wiege-Ernährungsprotokoll, 24-Stunden-Urinsammlung (ab dem dritten bis vierten Lebensjahr) und ärztliche Untersuchungen. Seit 2005 wird zu Nachuntersuchungen im Erwachsenenalter eingeladen (inklusive Nüchternblutprobe). Bis 2010 wurden etwa 1400 Probanden rekrutiert. Auswertungen aus den letzten Jahren zeigten unter anderem (i) die Bedeutung frühkindlicher Faktoren für die Entwicklung der Körperzusammensetzung und den Eintritt in die Pubertät sowie (ii) die Relevanz des präpubertären Hormonstatus für den Zeitpunkt des Pubertätsbeginns. Ferner wurden (iii) Alters- und Zeittrends im Jodstatus und in modernen Ernährungsgewohnheiten beschrieben, ebenso wie (iv) mögliche Furan- oder Benzol-Expositionen durch kommerzielle Beikost. Zukünftige Analysen sollen insbesondere die Relevanz von Ernährung, Wachstumsmustern und Hormonstatus in möglichen ,,kritischen Phasen“ während der Kindheit für die Gesundheit im Erwachsenenalter beleuchten.
    Bundesgesundheitsblatt - Gesundheitsforschung - Gesundheitsschutz 01/2012; 55. · 0.72 Impact Factor
  • [Show abstract] [Hide abstract]
    ABSTRACT: Dietary fat intake in childhood may influence the risk for developing chronic diseases. The objective of the present study was to examine secular trends in the parameters of fat intake between 2000 and 2010 in a sample of German children and adolescents (n 808) participating in the Dortmund Nutritional and Anthropometric Longitudinally Designed (DONALD) Study. Dietary data from 4380 3 d weighed dietary records were analysed using repeated-measures regression to determine time trends in fat quantity, i.e. the intake of total fat, and in fat quality, i.e. the ratios of SFA, MUFA and PUFA. In young children (2-3 years) and in adolescents (13-18 years), total fat intake remained stable over time, but decreased by 0·08 % of total energy (%E) per year in 4-12-year-old children. In 2010, median fat intake was at the upper end of the recommendations. SFA intake decreased slightly in 2-3- and 4-12-year-old children by 0·09 and 0·05 %E per year, respectively. MUFA and PUFA intakes remained stable in all the age groups except in adolescents. Here, PUFA intake decreased initially, but increased between 2005 and 2010. In 2010, only between 3 and 18 % of the respective age groups had an intake of SFA or PUFA within the recommendations. In conclusion, fat quantity and quality did not change substantially between 2000 and 2010. Fat quality, in particular, needs to be improved, since a large percentage of our sample did not meet the recommended intakes for SFA and PUFA.
    The British journal of nutrition 07/2013; · 3.45 Impact Factor

Full-text (2 Sources)

View
6 Downloads
Available from
May 22, 2014