Trends in Dairy and Sugar-Sweetened Beverage Consumption among Korean Young Adults Aged 19-29 Years: Analysis of Korea National Health and Nutrition Examination Survey 2010-2021.
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Abstract
Background: Beverage consumption patterns in Korea have shifted in response to rapid lifestyle changes, including the growth of cafe culture and increased access to convenience foods. This study examined trends in major beverage consumption among Korean young adults.
Methods: Beverage consumption trends were analyzed using data from 7,681 participants aged 19-29 years from the Korea National Health and Nutrition Examination Survey (2010-2021). Dietary assessment methods differed by survey cycle: a simple food frequency questionnaire (FFQ) in 2010-2011, a semi-quantitative FFQ in 2012-2016, and beverage-specific questions in 2019-2021. Beverages included milk, yogurt, soda, coffee, and fruit juice. Weekly consumption frequency, consumption volume, and estimated sugar intake were analyzed by sex.
Results: Beverage consumption patterns showed distinct temporal changes. The frequency of dairy product intake declined significantly (5.2 to 3.2 times/week; P<0.0001), mainly because of reduced milk consumption. Yogurt intake initially increased and then declined, particularly among females. In contrast, the overall frequency of sugar-sweetened beverage (SSB) intake remained stable, although coffee intake frequency decreased and soda and fruit juice intake increased slightly. Total SSB volume increased from 1.9 to 2.8 L per week (P<0.0001). The absolute increase was slightly greater in males (899.5 mL/week vs. 761.6 mL/week), whereas the relative increase in soda intake was greater in females (93% vs. 61%). Correspondingly, weekly sugar intake from SSBs rose sharply (122.7 to 177.6 g/week, P<0.0001), whereas sugar intake from dairy products did not change significantly.
Conclusion: Among Korean young adults, dairy consumption has declined, whereas SSB intake and related sugar exposure have increased markedly, with notable sex differences in beverage consumption patterns.
期刊介绍：
The journal was launched in 1992 and diverse studies on obesity have been published under the title of Journal of Korean Society for the Study of Obesity until 2004. Since 2017, volume 26, the title is now the Journal of Obesity & Metabolic Syndrome (pISSN 2508-6235, eISSN 2508-7576). The journal is published quarterly on March 30th, June 30th, September 30th and December 30th. The official title of the journal is now "Journal of Obesity & Metabolic Syndrome" and the abbreviated title is "J Obes Metab Syndr". Index words from medical subject headings (MeSH) list of Index Medicus are included in each article to facilitate article search. Some or all of the articles of this journal are included in the index of PubMed, PubMed Central, Scopus, Embase, DOAJ, Ebsco, KCI, KoreaMed, KoMCI, Science Central, Crossref Metadata Search, Google Scholar, and Emerging Sources Citation Index (ESCI).
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