{"id":30654,"date":"2026-09-21T04:24:00","date_gmt":"2026-09-20T20:24:00","guid":{"rendered":"https:\/\/csccm.org.cn\/?p=30654"},"modified":"2026-09-21T05:41:54","modified_gmt":"2026-09-20T21:41:54","slug":"jama-netw-open%e5%8f%91%e8%a1%a8%e8%ae%ba%e6%96%87%ef%bc%9a2007%e5%b9%b4%e8%87%b32024%e5%b9%b4%e9%97%b4%e9%9f%a9%e5%9b%bd%e5%84%bf%e7%ab%a5%e5%92%8c%e9%9d%92%e5%b0%91%e5%b9%b4%e8%b6%85%e5%8a%a0","status":"publish","type":"post","link":"https:\/\/csccm.org.cn\/?p=30654","title":{"rendered":"[JAMA Netw Open\u53d1\u8868\u8bba\u6587]\uff1a2007\u5e74\u81f32024\u5e74\u95f4\u97e9\u56fd\u513f\u7ae5\u548c\u9752\u5c11\u5e74\u8d85\u52a0\u5de5\u98df\u7269\u6d88\u8017\u8d8b\u52bf"},"content":{"rendered":"\n

Original Investigation <\/p>\n\n\n\n

Nutrition, Obesity, and Exercise<\/p>\n\n\n\n

Trends in Ultraprocessed Food Consumption Among Korean Children and Adolescents, 2007 to 2024<\/h1>\n\n\n\n

Sukyoung Jung, Eunice Hong Lim Lee, Jee Young Kim, et al<\/h3>\n\n\n\n

JAMA Netw Open 2026;9;(4):e265528. doi:10.1001\/jamanetworkopen.2026.5528<\/h3>\n\n\n\n

Key Points<\/p>\n\n\n\n

Question<\/strong>  What percentage of total energy intake among Korean youths came from ultraprocessed foods between 2007 and 2024?<\/p>\n\n\n\n

Findings<\/strong>  In this cross-sectional study of 24\u202f518 Korean youths aged 1 to 18 years, the estimated percentage of energy intake from ultraprocessed foods increased from 25% to 33%, while that from unprocessed or minimally processed foods decreased from 65% to 52%.<\/p>\n\n\n\n

Meaning<\/strong>  These findings suggest the need for monitoring and preventive strategies to reduce intake of ultraprocessed foods among Korean youths.<\/a><\/p>\n\n\n\n

Abstract<\/p>\n\n\n\n

Importance<\/strong>  The prevalence of childhood obesity has tripled between 1999 and 2021, and the greatest increases have been observed in Asia. Ultraprocessed foods are considered a major risk factor for obesity; however, trends in ultraprocessed food consumption among Korean youths remain understudied.<\/p>\n\n\n\n

Objective<\/strong>  To examine 18-year trends in ultraprocessed food consumption stratified by obesity and demographic characteristics among Korean youths.<\/p>\n\n\n\n

Design, Setting, and Participants<\/strong>  This population-based cross-sectional study used 24-hour dietary recall data from 6 cycles of the Korea National Health and Nutrition Examination Survey from 2007 to 2024. Participants included Korean youths aged 1 to 18 years.<\/p>\n\n\n\n

Exposure<\/strong>  Survey cycles.<\/p>\n\n\n\n

Main Outcomes and Measures<\/strong>  The percentage of energy intake from ultraprocessed foods based on the Nova food classification system was estimated across survey cycles.<\/p>\n\n\n\n

Results<\/strong>\u00a0\u00a0Among the 24\u202f518 youths included, the weighted mean (SD) age of participants was 10.2 (5.1) years, of whom 12 797 (52.2%) were boys. From the 2007-2009 to 2022-2024 cycles, the percentage of energy from ultraprocessed foods increased from 24.6% (SE, 0.5%) to 33.0% (SE, 0.5%) (P<\/em>\u2009<\u2009.001 for trend), while the percentage of energy from unprocessed or minimally processed foods decreased from 64.8% (SE, 0.5%) to 51.8% (SE, 0.4%) (P<\/em>\u2009<\u2009.001 for trend). There was a greater increase in ultraprocessed food consumption among school-aged children (from 22.9% [SE, 0.6%] to 34.0% [SE, 0.6%]) and adolescents (from 28.7% [SE, 0.8%] to 36.9% [SE, 0.7%]) than among preschool-aged children (from 23.5% [SE, 0.6%] to 26.4% [SE, 0.9%]) and among youths without obesity (from 24.7% [SE, 0.5%] to 33.5% [SE, 0.5%]) than those with obesity (from 24.9% [SE, 0.8%] to 30.9% [SE, 1.1%]) (P<\/em>\u2009\u2264\u2009.001 for interaction).<\/p>\n\n\n\n

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Conclusions and Relevance<\/strong>  In this cross-sectional study of Korean youths, the estimated proportion of energy intake from ultraprocessed foods increased from 2007 to 2024, indicating that ultraprocessed foods became a more dominant part of Korean youths\u2019 diets, especially among older youths and those without obesity. These findings suggest the need for monitoring and preventive strategies to reduce intake.<\/p>\n","protected":false},"excerpt":{"rendered":"

Original Investigation  Nutrition, Obesity, and Ex […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[32,23],"tags":[],"_links":{"self":[{"href":"https:\/\/csccm.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/30654"}],"collection":[{"href":"https:\/\/csccm.org.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/csccm.org.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/csccm.org.cn\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/csccm.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=30654"}],"version-history":[{"count":3,"href":"https:\/\/csccm.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/30654\/revisions"}],"predecessor-version":[{"id":31677,"href":"https:\/\/csccm.org.cn\/index.php?rest_route=\/wp\/v2\/posts\/30654\/revisions\/31677"}],"wp:attachment":[{"href":"https:\/\/csccm.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=30654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/csccm.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=30654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/csccm.org.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=30654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}