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- Title
Time and age trends in morning and evening protein intakes of German children and adolescents.
- Authors
Roßbach, Sarah; Diederichs, Tanja; Herder, Christian; Buyken, Anette E.; Alexy, Ute
- Abstract
The present study describes time and age trends in morning and evening protein intakes and sources among German children and adolescents from 1985 to 2014. A total of 9757 three-day weighed dietary records of 1246 3- to 18-year-old participants of the Dortmund Nutritional and Anthropometric Longitudinally Designed (DONALD) study were analysed using polynomial mixed-effects regression models. Morning protein intake increased over the study period by approximately 1% of morning energy intake (linear trend P <0·0001), with the youngest and the oldest children having the highest protein intake (linear, quadratic trend P <0·0001). Evening protein intake increased over time by approximately 2% of evening energy intake in girls (linear trend P < 0·0001) and 1% of evening energy intake in boys (quadratic trend P= 0·0313), with decreasing intake with age (girls: linear trend P < 0·0001; boys: linear trend P =0·0963). Time trends were largely due to increases in protein from 'starchy foods'. In conclusion, morning and evening protein intakes increased modestly between 1985 and 2014; these increases were, however, not accompanied by increases in traditional protein sources (i.e. meat or dairy products).
- Publication
Journal of Nutritional Science, 2018, Vol 7, p1
- ISSN
2048-6790
- Publication type
Article
- DOI
10.1017/jns.2018.1