Changes in diet quality of American preschoolers between 1977 and 1998.
OBJECTIVES:We determined diet quality trends among nationally representative samples of preschoolers between 1977 and 1998. METHODS:Adjusted diet quality index scores, overall intake, and tertiles of total score were compared for combined samples and 2 age groups using t tests with Bonferroni correction; surveys used were the US Department of Agriculture's National Food Consumption Survey 1977-1979 (n = 2342), Continuing Survey of Food Intake by Individuals (CSFII) 1989-1991 (n = 858), and CSFII 1994-1996 and 1998 (n = 5355). RESULTS:Total scores increased slightly. Consumption of grains, fruits, and vegetables improved while added sugar and juice intake worsened. CONCLUSIONS:Diet quality improved marginally since 1977. Consumption of fruits and vegetables needs to be increased and that of total and saturated fat, juice, and added sugar decreased.
Kranz, S; Siega-Riz, AM; Herring, AH
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