Associations Between Iron Intake and Behavior Problems in Early Adolescence

Catheryn A. Orihuela, Retta Evans, Sylvie Mrug, Destiny Kelly
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Abstract

Due to a decline in diet quality during adolescence, youth are less likely to consume adequate nutrient dense foods to meet recommended requirements. Iron intake in particular is crucial for healthy physical and brain development in adolescence, but few studies have examined the role of iron intake in adolescents’ behavior problems. The current study examined the associations between iron intake and two types of behavior problems in early adolescents – aggression and rule breaking. The sample included 272 middle school students (Mage =12.08; 53% female; 47% Black, 37% White, 9% Hispanic, 6% other racial/ethnic group). Multivariate regression analyses adjusting for sociodemographic covariates revealed that higher iron intake was linked to lower aggressive behaviors (β = - .16, p < .05), but was not associated with rule breaking. These findings support the role of iron intake in healthy behavioral development in adolescence.
青少年早期铁摄入量与行为问题之间的关系
由于青春期饮食质量下降,青少年不太可能摄入足够的高营养食物来满足建议的要求。尤其是铁的摄入量对青少年的身体和大脑健康发育至关重要,但很少有研究探讨铁的摄入量在青少年行为问题中的作用。本研究探讨了铁摄入量与青少年早期两种行为问题--攻击行为和违反规则--之间的关系。样本包括 272 名中学生(年龄 =12.08;53% 为女性;47% 为黑人,37% 为白人,9% 为西班牙裔,6% 为其他种族/族裔群体)。根据社会人口学协变量进行调整后的多元回归分析表明,铁摄入量越高,攻击性行为越少(β = - .16,p < .05),但与违反规则无关。这些研究结果支持铁摄入量在青少年健康行为发展中的作用。
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