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Trends in energy intake among adults in the United States: findings from NHANES
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4 2013
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Source: Am J Clin Nutr. 97(4):848-853
[PDF-364.51 KB]
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Alternative Title:Am J Clin Nutr
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Description:Background
Energy intake is a key determinant of weight.
Objective
Our objective was to examine trends in energy intake in adults in the United States from 1971–1975 to 2009–2010.
Design
The study was a trend analysis of 9 national surveys in the United States that included data from 63,761 adults aged 20–74 y.
Results
Adjusted mean energy intake increased from 1955 kcal/d during 1971–1975 to 2269 kcal/d during 2003–2004 and then declined to 2195 kcal/d during 2009–2010 (P-linear trend < 0.001, P-nonlinear trend < 0.001). During the period from 1999–2000 to 2009–2010, no significant linear trend in energy intake was observed (P = 0.058), but a significant nonlinear trend was noted (P = 0.042), indicating a downward trend in energy intake. Significant decreases in energy intake from 1999–2000 to 2009–2010 were noted for participants aged 20–39 y, men, women, and participants with a BMI (in kg/m2) of 18.5 to <25 and ≥30.
Conclusion
After decades of increases, mean energy intake has decreased significantly since 2003–2004.
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Pubmed ID:23426032
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Pubmed Central ID:PMC4598942
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