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目的 了解轻度缺铁性贫血 (MIDA)对婴幼儿智能、行为发育的影响。方法 应用多元回归分析确定影响婴幼儿智能发育的独立危险因素后采用t检验分析病例组与对照组之间的智能、运动发育水平及各行为因子的差异。结果 血红蛋白水平、父母受教育程度、早期教育情况、小儿月花费是影响婴幼儿智能发育的独立危险因素 (P <0 0 5 ) ;MIDA婴幼儿的血红蛋白水平与智能发育指数及精神运动发育指数呈正相关 (P <0 0 1) ;病例组与对照组之间的智能发育水平存在显著性差异 (P <0 0 1) ;MIDA患儿与背景资料相同的同龄儿相比 ,存在社交退缩、不快乐、注意持续时间短、易疲劳、手指及手腕的精细运动协调性差等行为问题 (P <0 0 5 )。结论 MIDA是影响儿童智能发育的独立危险因素 ;MIDA可引起婴幼儿的行为发育异常。
Objective To investigate the effects of mild iron deficiency anemia (MIDA) on intelligence and behavior development in infants and young children. Methods Multiple regression analysis was used to determine the independent risk factors affecting the intelligence and development of infants and young children. The t-test was used to analyze the differences of intelligence, motor development and behavior among the cases and controls. Results Hemoglobin level, education level of parents, early education, monthly expenditure of children were independent risk factors affecting infant’s mental development (P <0 05). Hemoglobin level of MIDA infant was positively correlated with intelligence development index and psychomotor development index (P <0.01). There was a significant difference in the level of intelligence development between the case group and the control group (P <0.01). There was social withdrawal in MIDA children compared with the same-age children with the same background data, Happy, pay attention to the short duration, fatigue, poor fine motor and wrist coordination and other behavioral problems (P <0 05). Conclusion MIDA is an independent risk factor affecting children’s mental development. MIDA can cause behavioral abnormalities in infants and young children.