Dairy intake and long-term body weight status in German children and adolescents: results from the DONALD study
Purpose To analyse the association between intake of total dairy (TD) and types of dairy [liquid dairy (LD), solid dairy (SD), low-fat dairy (LFD), high-fat dairy (HFD), high sugar dairy (HSD), low-sugar dairy (LSD), not fermented dairy (NFD), as well as fermented dairy (FD)] and long-term changes i...
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Veröffentlicht in: | European journal of nutrition 2022-03, Vol.61 (2), p.1087-1096 |
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Sprache: | eng |
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Zusammenfassung: | Purpose
To analyse the association between intake of total dairy (TD) and types of dairy [liquid dairy (LD), solid dairy (SD), low-fat dairy (LFD), high-fat dairy (HFD), high sugar dairy (HSD), low-sugar dairy (LSD), not fermented dairy (NFD), as well as fermented dairy (FD)] and long-term changes in body weight status and composition among children and adolescents in Germany.
Methods
In total, 9999 3-day dietary records collected between 1985 and 2019 by 1126 participants (3.5–18.5 years; boys: 50.8%) of the Dortmund Nutritional and Anthropometric Longitudinally Designed (DONALD) study were analysed. Polynomial mixed-effects regression models were used to examine whether changes (median follow-up: 9 years) in the intake of TD and dairy types (in 100 g/1000 kcal total energy intake) were associated with changes in body-mass-index-standard-deviation-score (BMI-SDS); fat mass index (FMI); fat-free mass index (FFMI) over time.
Results
An individual increase in TD intake was slightly but significantly associated with an increase in BMI-SDS (
β
= 0.0092;
p
= 0.0371), FMI (
β
= 0.022;
p
= 0.0162), and FFMI (
β
= 0.0156;
p
= 0.0417) after adjustment for potential confounder. Analyses for LD (BMI-SDS:
β
= 0.0139;
p
= 0.0052; FMI:
β
= 0.0258;
p
= 0.0125; FFMI:
β
= 0.0239;
p
= 0.0052) and LSD intake (BMI-SDS:
β
= 0.0132;
p
= 0.0041, FMI:
β
= 0.02;
p
= 0.0316, FFMI:
β
= 0.0183;
p
= 0.0189) showed similar results to TD. Both processing method and fat content showed no association with body composition in our analyses.
Conclusion
Increases in TD, LD, and LSD intake showed small but significant increases in BMI and concomitant increases in fat mass and lean mass. However, the observed changes were too small to expect biological or physiological meaningful effects. Overall, our results showed that policies to promote dairy intake in childhood are to be welcomed, as no negative effects on body composition are expected, while the intake of important nutrients for growth is ensured. The type of dairy does not seem to matter. |
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ISSN: | 1436-6207 1436-6215 1436-6215 |
DOI: | 10.1007/s00394-021-02715-9 |