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Disparities in Snacking Trends in US Adults over a 35 Year Period from 1977 to 2012.
Nutrients. 2017 Jul 27; 9(8)N

Abstract

BACKGROUND

Previous studies have indicated that snacking is contributing to increased calories in the American diet, and that the contribution of snacks to energy intake has increased in recent decades.

OBJECTIVE

The objective was to examine trends in the energy intake deriving from snacks and food sources of snacks for US adults over 35 years from 1977 to 2012, and whether these trends differ across sociodemographic groups.

METHODS

Participants included 74,291 US adults aged ≥19 years who participated in the 1977-1978 Nationwide Food Consumption Survey (NFCS); the 1989-1991 Continuing Survey of Food Intake by Individuals (CSFII), the 1994-1996 CSFII, the 1997-1998 CSFII, National Health and Nutrition Examination Survey (NHANES) 2003-2004, NHANES 2005-2006, NHANES 2009-2010 and NHANES 2011-2012; all surveys are a stratified random sample of the total civilian, non-institutionalized US population. Overall patterns of snacking, trends in energy intake from snacking, trends in snacking food and beverage sources and energy intake from snacks across racial/ethnic, age, education and income groups were examined.

RESULTS

For all US adults there was a significant increase in per capita energy intake from snacks from 1977 to 2012 (p < 0.01). Non-Hispanic blacks had the highest snacking energy intake from sugar-sweetened beverages (SSBs) in each year (p < 0.01 for all), with a peak intake in 2003-2006 of 76 kcal per capita per day. Intake of salty snacks increased in all groups between 1977 and 2012, with non-Hispanic blacks having the highest intake in 2009-2012 (p < 0.01). No significant differences were found between income or education groups.

CONCLUSIONS

Results show that snacking remains a significant component of the US diet and the foods consumed at these snacks (SSBs, desserts and sweets and salty snacks) are not the types of foods recommended by the US dietary guidelines. Our finding that non-Hispanic blacks are consuming a higher proportion of SSBs and salty snacks than other groups, and showing the largest increase in energy intake deriving from snacks overall over the past 35 years, is indeed concerning.

Authors+Show Affiliations

Food Policy Division, The George Institute for Global Health, University of New South Wales, Sydney, NSW 2042, Australia. edunford@georgeinstitute.org.au. Carolina Population Center, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27516, USA. edunford@georgeinstitute.org.au.Carolina Population Center, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27516, USA. popkin@unc.edu. Department of Nutrition, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27516, USA. popkin@unc.edu.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

28749436

Citation

Dunford, Elizabeth K., and Barry M. Popkin. "Disparities in Snacking Trends in US Adults Over a 35 Year Period From 1977 to 2012." Nutrients, vol. 9, no. 8, 2017.
Dunford EK, Popkin BM. Disparities in Snacking Trends in US Adults over a 35 Year Period from 1977 to 2012. Nutrients. 2017;9(8).
Dunford, E. K., & Popkin, B. M. (2017). Disparities in Snacking Trends in US Adults over a 35 Year Period from 1977 to 2012. Nutrients, 9(8). https://doi.org/10.3390/nu9080809
Dunford EK, Popkin BM. Disparities in Snacking Trends in US Adults Over a 35 Year Period From 1977 to 2012. Nutrients. 2017 Jul 27;9(8) PubMed PMID: 28749436.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Disparities in Snacking Trends in US Adults over a 35 Year Period from 1977 to 2012. AU - Dunford,Elizabeth K, AU - Popkin,Barry M, Y1 - 2017/07/27/ PY - 2017/06/08/received PY - 2017/07/21/revised PY - 2017/07/25/accepted PY - 2017/7/28/entrez PY - 2017/7/28/pubmed PY - 2018/5/25/medline KW - energy intake KW - race–ethnic disparities KW - snacking KW - sugar-sweetened beverages JF - Nutrients JO - Nutrients VL - 9 IS - 8 N2 - BACKGROUND: Previous studies have indicated that snacking is contributing to increased calories in the American diet, and that the contribution of snacks to energy intake has increased in recent decades. OBJECTIVE: The objective was to examine trends in the energy intake deriving from snacks and food sources of snacks for US adults over 35 years from 1977 to 2012, and whether these trends differ across sociodemographic groups. METHODS: Participants included 74,291 US adults aged ≥19 years who participated in the 1977-1978 Nationwide Food Consumption Survey (NFCS); the 1989-1991 Continuing Survey of Food Intake by Individuals (CSFII), the 1994-1996 CSFII, the 1997-1998 CSFII, National Health and Nutrition Examination Survey (NHANES) 2003-2004, NHANES 2005-2006, NHANES 2009-2010 and NHANES 2011-2012; all surveys are a stratified random sample of the total civilian, non-institutionalized US population. Overall patterns of snacking, trends in energy intake from snacking, trends in snacking food and beverage sources and energy intake from snacks across racial/ethnic, age, education and income groups were examined. RESULTS: For all US adults there was a significant increase in per capita energy intake from snacks from 1977 to 2012 (p < 0.01). Non-Hispanic blacks had the highest snacking energy intake from sugar-sweetened beverages (SSBs) in each year (p < 0.01 for all), with a peak intake in 2003-2006 of 76 kcal per capita per day. Intake of salty snacks increased in all groups between 1977 and 2012, with non-Hispanic blacks having the highest intake in 2009-2012 (p < 0.01). No significant differences were found between income or education groups. CONCLUSIONS: Results show that snacking remains a significant component of the US diet and the foods consumed at these snacks (SSBs, desserts and sweets and salty snacks) are not the types of foods recommended by the US dietary guidelines. Our finding that non-Hispanic blacks are consuming a higher proportion of SSBs and salty snacks than other groups, and showing the largest increase in energy intake deriving from snacks overall over the past 35 years, is indeed concerning. SN - 2072-6643 UR - https://www.unboundmedicine.com/medline/citation/28749436/Disparities_in_Snacking_Trends_in_US_Adults_over_a_35_Year_Period_from_1977_to_2012_ L2 - https://www.mdpi.com/resolver?pii=nu9080809 DB - PRIME DP - Unbound Medicine ER -