Effect of small-quantity lipid-based nutrient supplements on growth, psychomotor development, iron status, and morbidity among 6- to 12-mo-old infants in South Africa: a randomized controlled trial

Abstract:
ABSTRACT Background Evidence on the effect of small-quantity lipid-based nutrient supplements (SQ-LNSs) on early child growth and development is mixed. Objective This study assessed the effect of daily consumption of 2 different SQ-LNS formulations on linear growth (primary outcome), psychomotor development, iron status (secondary outcomes), and morbidity in infants from age 6 to 12 mo within the context of a maize-based complementary diet. Methods Infants (n = 750) were randomly assigned to receive SQ-LNS, SQ-LNS-plus, or no supplement. Both SQ-LNS products contained micronutrients and essential fatty acids. SQ-LNS-plus contained, in addition, docosahexaenoic acid, arachidonic acid (important for brain and eye development), lysine (limiting amino acid in maize), phytase (enhances iron absorption), and other nutrients. Infants’ weight and length were measured bimonthly. At age 6 and 12 mo, psychomotor development using the Kilifi Developmental Inventory and South African Parent Rating Scale and hemoglobin, plasma ferritin, C-reactive protein, and α1-acid glycoprotein were assessed. WHO Motor Milestone outcomes, adherence, and morbidity were monitored weekly through home visits. Primary analysis was by intention-to-treat, comparing each SQ-LNS group with the control. Results SQ-LNS-plus had a positive effect on length-for-age zscore at age 8 mo (mean difference: 0.11; 95% CI: 0.01, 0.22; P = 0.032) and 10 mo (0.16; 95% CI: 0.04, 0.27; P = 0.008) but not at 12 mo (0.09; 95% CI: −0.02, 0.21; P = 0.115), locomotor development score (2.05; 95% CI: 0.72, 3.38; P = 0.003), and Parent Rating Score (1.10; 95% CI: 0.14, 2.07; P = 0.025), but no effect for weight-for-age zscore. Both SQ-LNS (P = 0.027) and SQ-LNS-plus (P = 0.005) improved hemoglobin concentration and reduced the risk of anemia, iron deficiency, and iron-deficiency anemia. Both SQ-LNS products reduced longitudinal prevalence of fever, coughing, and wheezing but increased incidence and longitudinal prevalence of diarrhea, vomiting, and rash/sores. Conclusions Point-of-use fortification with SQ-LNS-plus showed an early transient effect on linear growth and improved locomotor development. Both SQ-LNS products had positive impacts on anemia and iron status. This trial was registered at clinicaltrials.gov as NCT01845610.
Author Listing: Cornelius M Smuts;Tonderayi M Matsungo;Linda Malan;Herculina S Kruger;Marinel Rothman;Jane D Kvalsvig;Namukolo Covic;Karen Joosten;Saskia J M Osendarp;Maaike J Bruins;Leon G J Frenken;Carl J Lombard;Mieke Faber
Volume: 109
Pages: 55 - 68
DOI: 10.1093/ajcn/nqy282
Language: English
Journal: The American Journal of Clinical Nutrition

AMERICAN JOURNAL OF CLINICAL NUTRITION

AM J CLIN NUTR

影响因子:6.5 是否综述期刊:是 是否OA:否 是否预警:不在预警名单内 发行时间:1954 ISSN:0002-9165 发刊频率:Monthly 收录数据库:SCIE/Scopus收录 出版国家/地区:UNITED STATES 出版社:American Society for Nutrition

期刊介绍

The most highly rated peer-reviewed, primary research journal in nutrition and dietetics, The American Journal of Clinical Nutrition (AJCN) publishes the latest research on topics in nutrition, such as obesity, vitamins and minerals, nutrition and disease, and energy metabolism.The purpose of AJCN is to publish original research studies relevant to human and clinical nutrition. Well-controlled clinical studies that describe scientific mechanisms, efficacy, and safety of dietary interventions in the context of disease prevention or a health benefit will be considered. Public health and epidemiologic studies relevant to human nutrition, and innovative investigations of nutritional questions that employ epigenetic, genomic, proteomic, and metabolomic approaches are encouraged. Solicited editorials,book reviews, solicited or unsolicited review articles, invited controversy position papers, and letters to the Editor that relate to prior AJCN articles are essential components of the AJCN. All submitted material with scientific content will undergo peer review by the Editors or their designees before acceptance for publication.

《美国临床营养学杂志》(AJCN)是营养学和饮食学领域评价最高的同行评议、主要研究期刊,发表营养学领域的最新研究,如肥胖、维生素和矿物质、营养与疾病、能量代谢等。AJCN的目的是发表与人类和临床营养相关的原创研究。在疾病预防或健康获益的背景下,将考虑描述饮食干预的科学机制、疗效和安全性的良好对照临床研究。鼓励与人类营养相关的公共卫生和流行病学研究,以及采用表观遗传学、基因组学、蛋白质组学和代谢组学方法对营养问题进行创新性研究。征集的社论、书评、征集或非征集的评论文章、邀请的争议立场文件以及与AJCN之前文章相关的致编辑的信件是AJCN的基本组成部分。所有提交的具有科学内容的材料在接受出版前将由编辑或其指定人员进行同行评审。

年发文量 243
国人发稿量 41
国人发文占比 16.87%
自引率 4.6%
平均录取率 约22.5%
平均审稿周期 平均2月
版面费 -
偏重研究方向 医学-营养学
期刊官网 https://academic.oup.com/ajcn
投稿链接 http://www.editorialmanager.com/ajcn

质量指标占比

研究类文章占比 OA被引用占比 撤稿占比 出版后修正文章占比
90.53% 86.07% 0.00% 8.88%

相关指数

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期刊预警不是论文评价,更不是否定预警期刊发表的每项成果。《国际期刊预警名单(试行)》旨在提醒科研人员审慎选择成果发表平台、提示出版机构强化期刊质量管理。

预警期刊的识别采用定性与定量相结合的方法。通过专家咨询确立分析维度及评价指标,而后基于指标客观数据产生具体名单。

具体而言,就是通过综合评判期刊载文量、作者国际化程度、拒稿率、论文处理费(APC)、期刊超越指数、自引率、撤稿信息等,找出那些具备风险特征、具有潜在质量问题的学术期刊。最后,依据各刊数据差异,将预警级别分为高、中、低三档,风险指数依次减弱。

《国际期刊预警名单(试行)》确定原则是客观、审慎、开放。期刊分区表团队期待与科研界、学术出版机构一起,夯实科学精神,打造气正风清的学术诚信环境!真诚欢迎各界就预警名单的分析维度、使用方案、值得关切的期刊等提出建议!

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时间 预警情况
2024年02月发布的2024版 不在预警名单中
2023年01月发布的2023版 不在预警名单中
2021年12月发布的2021版 不在预警名单中
2020年12月发布的2020版 不在预警名单中

JCR分区 WOS分区等级:Q1区

版本 按学科 分区
WOS期刊SCI分区
WOS期刊SCI分区是指SCI官方(Web of Science)为每个学科内的期刊按照IF数值排 序,将期刊按照四等分的方法划分的Q1-Q4等级,Q1代表质量最高,即常说的1区期刊。
(2021-2022年最新版)
NUTRITION & DIETETICS Q1

关于2019年中科院分区升级版(试行)

分区表升级版(试行)旨在解决期刊学科体系划分与学科发展以及融合趋势的不相容问题。由于学科交叉在当代科研活动的趋势愈发显著,学科体系构建容易引发争议。为了打破学科体系给期刊评价带来的桎梏,“升级版方案”首先构建了论文层级的主题体系,然后分别计算每篇论文在所属主题的影响力,最后汇总各期刊每篇论文分值,得到“期刊超越指数”,作为分区依据。

分区表升级版(试行)的优势:一是论文层级的主题体系既能体现学科交叉特点,又可以精准揭示期刊载文的多学科性;二是采用“期刊超越指数”替代影响因子指标,解决了影响因子数学性质缺陷对评价结果的干扰。整体而言,分区表升级版(试行)突破了期刊评价中学科体系构建、评价指标选择等瓶颈问题,能够更为全面地揭示学术期刊的影响力,为科研评价“去四唯”提供解决思路。相关研究成果经过国际同行的认可,已经发表在科学计量学领域国际重要期刊。

《2019年中国科学院文献情报中心期刊分区表升级版(试行)》首次将社会科学引文数据库(SSCI)期刊纳入到分区评估中。升级版分区表(试行)设置了包括自然科学和社会科学在内的18个大类学科。基础版和升级版(试行)将过渡共存三年时间,推测在此期间各大高校和科研院所仍可能会以基础版为考核参考标准。 提示:中科院分区官方微信公众号“fenqubiao”仅提供基础版数据查询,暂无升级版数据,请注意区分。

中科院分区 查看说明

版本 大类学科 小类学科 Top期刊 综述期刊
医学
1区
NUTRITION & DIETETICS
营养学
1区
2021年12月
基础版
医学
2区
NUTRITION & DIETETICS
营养学
1区
2021年12月
升级版
医学
1区
NUTRITION & DIETETICS
营养学
1区
2020年12月
旧的升级版
医学
1区
NUTRITION & DIETETICS
营养学
1区
2022年12月
最新升级版
医学
1区
NUTRITION & DIETETICS
营养学
1区