期刊
PEDIATRIC OBESITY
卷 13, 期 4, 页码 247-255出版社
WILEY
DOI: 10.1111/ijpo.12220
关键词
Children; dietary intake; race-ethnic differences; salty snacks; snacking trends
类别
资金
- Robert Wood Johnson Foundation [67506, 68793, 70017, 71837]
- National Institutes of Health [R01DK098072, DK56350, CPC P2C HD050924]
- National Health and Medical Research Council of Australia [APP1088673]
BackgroundPrevious studies have indicated that snacking is contributing to increased calorie intake of American children and that the energy density of snacks in US diets has increased in recent decades. ObjectiveExamine short-term and long-term trends in the energy density and food sources of snacks for US children from 1977 to 2014, and examine whether trends differ between socio-demographic groups. MethodsWe used data collected from eight nationally representative surveys of food intake in 49,952 US children age 2-18years, between 1977 and 2014. Overall patterns of snacking, trends in energy intake from snacking, trends in food and beverage sources and energy density of snacks across race-ethnic, age, gender, education and income groups were examined. ResultsIn all socio-demographic groups, there was a significant increase in per capita energy intake deriving from snacks from 1977 to 2014 (P<0.01). Salty snack intake doubled over the study period, and sugar-sweetened beverage intake decreased overall from 1977 to 2014 but increased in Non-Hispanic Blacks. Non-Hispanic Blacks had the largest increase in per capita intake from foods as a snack from 1977 to 2014. Children in the lowest poverty level and household education groups had more than 100% increase in calorie intake from snacks from 1977 to 2014. ConclusionsWe found that snacking behaviour in the USA differs between race-ethnic, household education, gender and income groups, yet snacking remains a significant component of children's diets and the foods consumed at these snacks are not the types of foods recommended by the US dietary guidelines.
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