{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,7]],"date-time":"2026-08-07T15:14:09Z","timestamp":1786115649778,"version":"build-2736575974"},"reference-count":31,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,8,6]],"date-time":"2026-08-06T00:00:00Z","timestamp":1785974400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Nutr."],"abstract":"\n Background<\/jats:title>\n Self-rated health (SRH) reliably predicts mortality and chronic disease risk, yet the association between the mean adequacy ratio (MAR), a nutrient adequacy index, and SRH in Korean adolescents remains underexplored.<\/jats:p>\n <\/jats:sec>\n \n Methods<\/jats:title>\n This cross-sectional study analyzed 1,053 adolescents aged 12\u201318\u202fyears from Korea National Health and Nutrition Examination Survey (KNHANES) 2022\u20132024, excluding those with extreme energy intakes for their sex and age group. MAR was calculated as the mean of nine nutrient adequacy ratios, each capped at 1.0 using the 2020 Korean Dietary Reference Intakes (KDRI). The dietary diversity score (DDS) was calculated from five food groups. SRH was dichotomized as good (1\u20132) or fair-to-poor (3\u20135), and associations were estimated using complex-sample logistic regression with a quasibinomial family.<\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n \n In the fully adjusted model, higher MAR was associated with lower odds of fair-to-poor SRH (OR: 0.88, 95% CI: 0.78\u20130.99;\n p<\/jats:italic>\n \u202f=\u202f0.040). In exploratory analyses, this association was observed in adolescents aged 15\u201318\u202fyears (OR: 0.79, 95% CI: 0.68\u20130.93;\n p<\/jats:italic>\n \u202f=\u202f0.005) but not 12\u201314\u202fyears (OR: 1.02, 95% CI: 0.85\u20131.22;\n p<\/jats:italic>\n \u202f=\u202f0.851; age group interaction\n p<\/jats:italic>\n \u202f=\u202f0.017). DDS showed no association with fair-to-poor SRH (OR: 1.00, 95% CI: 0.83\u20131.21;\n p<\/jats:italic>\n \u202f=\u202f0.960). MAR was not associated with overweight (OR: 1.06, 95% CI: 0.91\u20131.23;\n p<\/jats:italic>\n \u202f=\u202f0.477) or abdominal obesity (OR: 1.03, 95% CI: 0.88\u20131.20;\n p<\/jats:italic>\n \u202f=\u202f0.737). A sensitivity analysis using the 2025 KDRI yielded consistent results: the primary association remained significant (OR: 0.87, 95% CI: 0.78\u20130.98;\n p<\/jats:italic>\n \u202f=\u202f0.027), and the age group interaction remained statistically significant (\n p<\/jats:italic>\n \u202f=\u202f0.013).\n <\/jats:p>\n <\/jats:sec>\n \n Conclusion<\/jats:title>\n Higher MAR was associated with lower odds of fair-to-poor SRH in Korean adolescents, particularly among those aged 15\u201318\u202fyears. Longitudinal studies are needed to confirm these findings and support nutrition programs targeting older Korean adolescents.<\/jats:p>\n <\/jats:sec>","DOI":"10.3389\/fnut.2026.1880706","type":"journal-article","created":{"date-parts":[[2026,8,6]],"date-time":"2026-08-06T04:25:23Z","timestamp":1785990323000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Age-specific association between dietary nutrient adequacy and self-rated health in Korean adolescents: a cross-sectional study based on the Korea National Health and Nutrition Examination Survey 2022\u20132024"],"prefix":"10.3389","volume":"13","author":[{"given":"Dongyoun","family":"Woo","sequence":"first","affiliation":[{"name":"Independent Researcher","place":["Daejeon, Republic of Korea"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,8,6]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"116","DOI":"10.1007\/s13668-025-00706-4","article-title":"Adolescent nutrition and health: a critical period for nutritional intervention to prevent long term health consequences","volume":"14","author":"Parajuli","year":"2025","journal-title":"Curr Nutr Rep"},{"key":"ref2","doi-asserted-by":"publisher","first-page":"9773","DOI":"10.3390\/ijerph18189773","article-title":"An investigation on Korean adolescents\u2019 dietary consumption: focused on sociodemographic characteristics, physical health, and mental health","volume":"18","author":"Yim","year":"2021","journal-title":"Int J Environ Res Public Health"},{"key":"ref3","doi-asserted-by":"publisher","first-page":"139","DOI":"10.1016\/j.bbi.2013.10.020","article-title":"Self-rated health and C-reactive protein in young adults","volume":"36","author":"Shanahan","year":"2014","journal-title":"Brain Behav Immun"},{"key":"ref4","doi-asserted-by":"publisher","first-page":"24103","DOI":"10.1038\/s41598-024-75158-x","article-title":"Self-rated health in late adolescence as a predictor for mortality between 46 and 70 years of age","volume":"14","author":"Andreasson","year":"2024","journal-title":"Sci Rep"},{"key":"ref5","doi-asserted-by":"publisher","first-page":"1450","DOI":"10.1016\/j.jada.2006.06.011","article-title":"The relationship between self-rated health status and the overall quality of dietary intake of US adolescents","volume":"106","author":"Goodwin","year":"2006","journal-title":"J Am Diet Assoc"},{"key":"ref6","doi-asserted-by":"publisher","first-page":"253","DOI":"10.3390\/nu17020253","article-title":"Interrelation between BMI, dietary habits, self-rated health, and body image perception among Korean adolescents: the Korea youth risk behavior web-based survey (2022)","volume":"17","author":"Oh","year":"2025","journal-title":"Nutrients"},{"key":"ref7","doi-asserted-by":"publisher","first-page":"1722","DOI":"10.1080\/10408398.2021.1967872","article-title":"A narrative review of nutrient based indexes to assess diet quality and the proposed total nutrient index that reflects total dietary exposures","volume":"63","author":"Cowan","year":"2023","journal-title":"Crit Rev Food Sci Nutr"},{"key":"ref8","doi-asserted-by":"publisher","first-page":"507","DOI":"10.4162\/nrp.2017.11.6.507","article-title":"Dietary intakes of adolescents from food insecure households: analysis of data from the 6th (2013\u20132015) Korea National Health and Nutrition Examination Survey","volume":"11","author":"Nakitto","year":"2017","journal-title":"Nutr Res Pract"},{"key":"ref9","doi-asserted-by":"publisher","first-page":"252","DOI":"10.1037\/hea0001066","article-title":"Sleep, diet, activity, and incident fair-to-poor self-rated health: a population-based cohort study","volume":"40","author":"Oftedal","year":"2021","journal-title":"Health Psychol"},{"key":"ref10","doi-asserted-by":"publisher","first-page":"69","DOI":"10.1093\/ije\/dyt228","article-title":"Data resource profile: the Korea National Health and Nutrition Examination Survey (KNHANES)","volume":"43","author":"Kweon","year":"2014","journal-title":"Int J Epidemiol"},{"key":"ref11","doi-asserted-by":"publisher","first-page":"240","DOI":"10.3390\/nu18020240","article-title":"Dietary assessment and trends among preschoolers in South Korea: data from KNHANES 2012\u20132021","volume":"18","author":"Kwon","year":"2026","journal-title":"Nutrients"},{"key":"ref12","volume-title":"Dietary Reference Intakes for Koreans. 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