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Age and time trends of dairy intake among children and adolescents of the DONALD study.

Authors
  • Hohoff, Eva1
  • Perrar, Ines1
  • Jancovic, Nicole1
  • Alexy, Ute2
  • 1 Department of Nutritional and Food Sciences, Nutritional Epidemiology, University of Bonn, DONALD Study Dortmund, Heinstück 11, 44225, Dortmund, Germany. , (Germany)
  • 2 Department of Nutritional and Food Sciences, Nutritional Epidemiology, University of Bonn, DONALD Study Dortmund, Heinstück 11, 44225, Dortmund, Germany. [email protected] , (Germany)
Type
Published Article
Journal
European Journal of Nutrition
Publisher
Springer-Verlag
Publication Date
Oct 01, 2021
Volume
60
Issue
7
Pages
3861–3872
Identifiers
DOI: 10.1007/s00394-021-02555-7
PMID: 33881583
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

To describe age and time trends in dietary intake of Total Dairy (TD) (g/1000 kcal Total Energy Intake) and types of dairy (weight percent of total dairy intake, w%TD) represented as Low Fat Dairy (LFD), High Sugar Dairy (HSD), Fermented Dairy (FD) and Liquid Dairy (LD) among children and adolescents in Germany. Overall, 10,333 3-day dietary records kept between 1985 and 2019 by 1275 DONALD participants (3.5-18.5 years; boys: 50.8%) were analyzed using polynomial mixed-effects regression models. TD intake decreased with age (♂: linear trend p < 0.0001; ♀: linear and quadratic trend p < 0.0001), whereas FD (♀: linear, quadratic, cubic trend p ≤ 0.02) increased slightly in girls. HSD (♂: linear, quadratic, cubic trend p ≤ 0.004; ♀: linear, quadratic, cubic trend p ≤ 0.005) and LD (linear, quadratic trend p ≤ 0.0002) decreased with age. In terms of time trends, TD intake decreased in the last three decades, especially since 1995 (quadratic trend for ♂ 0.0007 and ♀ p = 0.004). LFD intake increased until 2010 and decreased thereafter (linear, quadratic, cubic trend p < 0.0001). HSD decreased until 1995, then increased until 2010 and decreased again afterwards (♂: linear, quadratic, cubic trend p ≤ 0.001; ♀: linear, quadratic, cubic trend p ≤ 0.003). While FD intake increased linear (in both ♂ and ♀: p < 0.0001), LD intake decreased (linear, quadratic trend p ≤ 0.03). Our results showed changes in dairy consumption patterns among children and adolescents over the past three decades, demonstrating a decrease in TD intake with age and time, and a shift from liquid to solid dairy products with a simultaneous increase in fermented dairy products, while LFD and HSD fluctuated over time. Further evaluations will examine the health significance of these consumption patterns. © 2021. The Author(s).

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