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Trends in energy intake among adults in the United States: findings from NHANES
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Details:
  • Pubmed ID:
    23426032
  • Pubmed Central ID:
    PMC4598942
  • 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.

  • Document Type:
  • Collection(s):
  • Funding:
    CC999999/Intramural CDC HHS/United States
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