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Trends in energy intake among adults in the United States: findings from NHANES.


ABSTRACT: 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/m(2)) of 18.5 to <25 and ?30. CONCLUSION:After decades of increases, mean energy intake has decreased significantly since 2003-2004.

SUBMITTER: Ford ES 

PROVIDER: S-EPMC4598942 | biostudies-literature | 2013 Apr

REPOSITORIES: biostudies-literature

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Trends in energy intake among adults in the United States: findings from NHANES.

Ford Earl S ES   Dietz William H WH  

The American journal of clinical nutrition 20130220 4


<h4>Background</h4>Energy intake is a key determinant of weight.<h4>Objective</h4>Our objective was to examine trends in energy intake in adults in the United States from 1971-1975 to 2009-2010.<h4>Design</h4>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.<h4>Results</h4>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 2009-2  ...[more]

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