Nutrient intake

营养素摄入量
  • 文章类型: Journal Article
    体重变化在运动生活中很常见,运动员习惯性体重减轻的程度具有重要的个体间差异。作为WAVE研究的一部分(NCT04107545),这项初步研究的主要目的是确定习惯性的体重减轻程度是否与人体测量学有关,身体成分,习惯体重变化的运动员在体重维持期间的营养或心理状况。我们假设习惯于较高习惯性减肥程度的运动员可能具有较高的体重和身体脂肪量,与习惯性体重减轻程度较低的运动员相比,可能表现出更受控的饮食方案和认知限制。在体重维持期间,62名运动员(24.0±5.3岁;26名女性)完成了人体测量和身体成分测量,48小时的食物日记和自我报告的问卷,以确定他们的体重变化的做法,营养概况和情绪状态。运动员根据习惯性的体重减轻程度在四分位数之间和四分位数内进行分层。习惯性体重减轻程度较高的运动员是那些消耗更多蛋白质(P<.001)和更少脂肪(P=.01)占总能量比例的运动员,两组之间的身体成分没有任何差异。快速体重减轻评分在体重减轻更多的个体中显著更高(P<.001),并且在情绪状态方面没有观察到差异。目前的结果表明,在体重维持期间可能会控制营养调节,以避免无脂肪量并有利于经常减肥的运动员减少脂肪量。由于运动员体内脂肪量低,无脂质量可能是主要的营养驱动因素,这可能会限制在非运动人群中常见的“追赶脂肪”现象。
    Weight variations are common in sporting life, with important inter-individual variability in the degree of an athlete\'s habitual weight loss. As a part of the WAVE study (NCT04107545), the main objective of this preliminary study was to determine whether the habitual degree of weight loss was associated with anthropometric, body composition, nutritional or psychometric profiles during a period of weight maintenance in athletes accustomed to weight variations. We hypothesized that athletes accustomed to a higher habitual degree of weight loss may have a higher body weight and body fat mass, and may present a more controlled diet regimen and cognitive restriction than athletes with a lower habitual degree of weight loss. During a period of weight maintenance, 62 athletes (24.0 ± 5.3 years; 26 women) completed anthropometry and body composition measurements, a 48-hours food diary and self-reported questionnaires to determine their weight variation practice, nutritional profile and mood state. Athletes were stratified within inter- and intra-quartile groups according to their habitual degree of weight loss. Athletes with a higher habitual degree of weight loss were those who consumed more protein (P < .001) and less fat (P = .01) as a proportion of total energy compared with those losing less weight, without any difference in body composition between the groups. The rapid weight loss score was significantly higher in individuals losing more weight (P < .001) and no difference was observed for the mood state profile. The present results suggest a potential control of nutritional regulation during a period of weight maintenance in order to spare fat-free mass and favor fat mass loss in athletes who are routinely losing more weight. Fat-free mass may be the main nutritional driver due to low body fat mass in athletes, which may limit the \"catch-up fat\" phenomenon commonly observed in nonathletic population.
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  • 文章类型: Journal Article
    背景:目的探讨重症患者再饲低磷血症与谵妄的相关性及相关因素分析。
    方法:我们对2019年9月至2021年3月南京鼓楼医院收治的危重患者进行了回顾性分析。患者分为谵妄和非谵妄组。人口统计数据,潜在的疾病,实验室发现,合并症,收集并分析营养摄入和总体预后。
    结果:总计,纳入162例患者,分为谵妄组(n=54)和非谵妄组(n=108)。两组血清磷水平在营养摄入后的前三天(P1,P2,P3)与营养摄入前的基线(Ppre)相比显着降低。与非谵妄组相比,谵妄组的P1和P2显著降低。摄入营养后前三天的最大血磷减少量(Pmax),谵妄组明显高于非谵妄组。谵妄组的Pmax时间为营养摄入后的第一天。多变量logistic回归分析确定营养起始途径和P1<0.845mmol/L是危重患者谵妄发生的独立预测因子。
    结论:危重患者谵妄发生率较高,且与再摄食低磷血症相关。在第一天,血清磷水平可能低于0.845mmol/L。
    BACKGROUND: The purpose was to explore the correlation between refeeding hypophosphatemia and delirium and analyze the related factors in critically ill patients.
    METHODS: We conducted a retrospective review of critically ill patients admitted to Nanjing Drum Tower Hospital between September 2019 and March 2021. The patients were divided into delirium and nondelirium groups. Demographic data, underlying diseases, laboratory findings, comorbidities, nutritional intake and overall prognosis were collected and analyzed.
    RESULTS: In total, 162 patients were included and divided into delirium (n=54) and nondelirium (n=108) groups. Serum phosphorus levels in the two groups decreased significantly in the first three days (P1, P2, P3) after nutrient intake compared with baseline before nutrient intake (Ppre). P1 and P2 were significantly lower in the delirium group compared to the nondelirium group. The maximum blood phosphorus reduction (Pmax) in the first three days after nutrient intake was significantly higher in the delirium group than in the nondelirium group. The time of Pmax in the delirium group was on the first day after nutrient intake. Multivariable logistic regression analysis identified starting route of nutrition and P1< 0.845 mmol/L as the independent predictors of delirium development in critically ill patients.
    CONCLUSIONS: The incidence of delirium in critically ill patients is high and associated with refeeding hypophosphatemia. Delirium may occur with serum phosphorus levels less than 0.845 mmol/L on the first day.
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  • 文章类型: Journal Article
    这项研究旨在根据标签概况比较Türkiye出售的饮料的营养质量。包括在Türkiye市场容量最高的超市和在线市场上销售的304种非酒精饮料。牛奶和乳制品,运动饮料,儿童饮料被排除在外。健康之星评级(HSR)用于评估饮料的营养质量。根据基于饮料标签上呈现的变量的HSR评分,使用决策树模型评价饮料的营养质量。此外,混淆矩阵测试用于测试模型的准确性。饮料的平均HSR评分为2.6±1.9,其中30.2%属于健康类别(HSR≥3.5)。发酵和100%果汁饮料具有最高的平均HSR得分。根据训练集的决策树模型,高铁质量得分的预测因子,按重要性排序,如下:添加糖(46%),甜味剂(28%),添加剂(19%),果糖葡萄糖浆(4%),咖啡因(3%)。在测试集中,准确率和F1评分分别为0.90和0.82,这表明我们的模型的预测性能具有完美的拟合。根据高铁分类,大多数饮料被发现是不健康的。因此,由于容易食用,它们增加了肥胖和其他疾病发展的风险。决策树学习算法可以指导人群根据标签信息选择健康饮料。
    This study aimed to compare the nutritional quality of beverages sold in Türkiye according to their labeling profiles. A total of 304 nonalcoholic beverages sold in supermarkets and online markets with the highest market capacity in Türkiye were included. Milk and dairy products, sports drinks, and beverages for children were excluded. The health star rating (HSR) was used to assess the nutritional quality of beverages. The nutritional quality of beverages was evaluated using a decision tree model according to the HSR score based on the variables presented on the beverage label. Moreover, confusion matrix tests were used to test the model\'s accuracy. The mean HSR score of beverages was 2.6±1.9, of which 30.2% were in the healthy category (HSR≥3.5). Fermented and 100% fruit juice beverages had the highest mean HSR scores. According to the decision tree model of the training set, the predictors of HSR quality score, in order of importance, were as follows: added sugar (46%), sweetener (28%), additives (19%), fructose-glucose syrup (4%), and caffeine (3%). In the test set, the accuracy rate and F1 score were 0.90 and 0.82, respectively, suggesting that the prediction performance of our model had the perfect fit. According to the HSR classification, most beverages were found to be unhealthy. Thus, they increase the risk of the development of obesity and other diseases because of their easy consumption. The decision tree learning algorithm could guide the population to choose healthy beverages based on their labeling information.
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  • 文章类型: Journal Article
    背景:SI。菜单研究提供了有关10至17岁斯洛文尼亚青少年饮食摄入量的最新数据。这项研究的目的是全面评估他们的饮食摄入量(能量和营养素),并将他们的食物摄入量与健康和可持续饮食的饮食建议进行比较。
    方法:横断面流行病学饮食研究SI。菜单(2017年3月至2018年4月)对10至17岁的斯洛文尼亚青少年(n=468)(230名男性和238名女性)的代表性样本进行了分析。通过两次非连续的24小时召回收集了饮食摄入数据,符合欧洲食品安全局(EFSA)欧盟菜单方法。将重复的24小时饮食召回(HDR)和食物倾向问卷(FPQ)数据相结合,以确定营养素和食物组的通常摄入量,使用多源方法(MSM)程序。
    结果:青少年的饮食明显偏离饮食建议,缺少蔬菜,牛奶和乳制品,坚果和种子,豆类,和水,同时含有过量的肉类(尤其是红肉)和高糖食物。这导致膳食纤维摄入不足,和维生素D等营养素,叶酸,和钙。
    结论:斯洛文尼亚青少年的饮食摄入不符合健康和可持续饮食建议。这项研究为斯洛文尼亚青少年的饮食习惯提供了重要的见解,这可能对未来的公共卫生策略有用。
    BACKGROUND: The SI.Menu study offers the latest data on the dietary intake of Slovenian adolescents aged 10 to 17. The purpose of this study is to comprehensively assess their dietary intake (energy and nutrients) and compare their food intakes with dietary recommendations for healthy and sustainable diets.
    METHODS: The cross-sectional epidemiological dietary study SI.Menu (March 2017-April 2018) was conducted on a representative sample of Slovenian adolescents aged 10 to 17 years (n = 468) (230 males and 238 females). Data on dietary intake were gathered through two non-consecutive 24 h recalls, in line with the European Food Safety Authority (EFSA) EU Menu methodology. The repeated 24 h Dietary Recall (HDR) and Food Propensity Questionnaire (FPQ) data were combined to determine the usual intakes of nutrients and food groups, using the Multiple Source Method (MSM) program.
    RESULTS: Adolescents\' diets significantly deviate from dietary recommendations, lacking vegetables, milk and dairy products, nuts and seeds, legumes, and water, while containing excessive meat (especially red meat) and high-sugar foods. This results in insufficient intake of dietary fibre, and nutrients such as vitamin D, folate, and calcium.
    CONCLUSIONS: The dietary intake of Slovenian adolescents does not meet healthy and sustainable diet recommendations. This study provides an important insight into the dietary habits of Slovenian adolescents that could be useful for future public health strategies.
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  • 文章类型: Journal Article
    包括主食谷物的膳食,一个主要的,和配菜(短信餐)促进良好的饮食摄入,然而,有限的研究已经检查了它们与饮食摄入的多因素关系。我们调查了人口统计特征,生活方式,饮食习惯影响SMS进餐频率与营养素摄入充足性之间的关系。这项横断面研究分析了2019年2月30-69岁的331名日本成年人(208名男性和123名女性)的调查数据。SMS用餐频率是根据受访者对他们每周消费≥2次每日SMS餐的回答进行评估的。使用简短的自我饮食史问卷评估饮食摄入量。使用多元逻辑回归确定根据SMS进餐频率的各组之间的营养摄入充足性差异。不太频繁的SMS膳食与较低的蛋白质摄入量相关,水溶性维生素,某些矿物质,更多的人低于估计的平均营养摄入量。然而,在预防生活方式相关疾病的暂定饮食目标方面,未发现SMS进餐频率与营养素摄入之间的关系.我们的发现表明,采用SMS膳食可以获得足够的营养素摄入量,并提高日本成年人的整体饮食质量。
    Meals comprising a staple grain, a main, and side dishes (SMS meals) promote good dietary intake, yet limited studies have examined their multifactorial relationship with dietary intake. We investigated how demographic characteristics, lifestyle, and dietary habits affect the relationship between SMS meal frequency and nutrient intake adequacy. This cross-sectional study analyzed survey data from 331 Japanese adults (208 men and 123 women) aged 30-69 years in February 2019. SMS meal frequency was evaluated according to respondents\' answers to how many days a week they consumed ≥2 daily SMS meals. Dietary intake was evaluated using the brief self-administered diet history questionnaire. Differences in nutrient intake adequacy among groups according to SMS meal frequency were determined using multiple logistic regression. Less frequent SMS meals correlated with a lower intake of protein, water-soluble vitamins, and certain minerals, with more individuals falling below the estimated average requirement for nutrient intake. However, no relationship was found between SMS meal frequency and nutrient intake concerning tentative dietary goals for preventing lifestyle-related diseases. Our findings indicate that adopting SMS meals could achieve adequate intake of some nutrients and enhance overall diet quality among Japanese adults.
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  • 文章类型: Journal Article
    在日本,许多工人面临慢性压力,睡眠剥夺,营养失衡。他们生病时往往还会去上班,导致工作绩效和生产率下降,这已经成为一个重大的社会问题。我们进行了一项人体进入研究,目的是找到这两个因素之间的联系,并提出优化的饮食,相信饮食的回顾可能会导致劳动生产率的提高。在这项研究中,我们使用主观成就感(SA)作为生产力的衡量标准。首先,我们使用来自1564名健康男性和女性成年人的健康调查数据,比较了高SA和低SA组的营养摄入量.男性13种营养素的摄取量与女性15种营养素的摄取量存在显著差异,包括钾,维生素A,不溶性纤维,和生物素。根据调查数据确定这些营养素的推荐每日摄入量。接下来,我们设计了含有足够量的17种营养素的测试餐,并在Kameyama市进行了单臂干预研究(注册码UMIN000047054),Mie县,日本。健康的工作成年人(20-79岁的男性和女性)被招募并提供测试餐,每天吃一次,每周5天,共8周。年轻参与者(60岁以下)在午餐后吃早餐或午餐时,SA显着升高,白天嗜睡(DS)显着降低。我们的结果表明,SA和DS,每天都在变化,受到工作前吃饭的强烈影响,服用这17种营养素可能有助于防止出勤和提高劳动生产率。
    In Japan, many workers are exposed to chronic stress, sleep deprivation, and nutritional imbalance. They tend still to go to work when ill, leading to decreased work performance and productivity, which has become a major social problem. We conducted a human entry study with the aim of finding a link between these two factors and proposing an optimized diet, believing that a review of diet may lead to an improvement in labor productivity. In this study, we used subjective accomplishment (SA) as a measure of productivity. First, we compared nutrient intake between groups with high and low SA using data from a health survey of 1564 healthy male and female adults. Significant differences were found in the intake of 13 nutrients in males and 15 nutrients in females, including potassium, vitamin A, insoluble fiber, and biotin. Recommended daily intake of these nutrients was determined from survey data. Next, we designed test meals containing sufficient amounts of 17 nutrients and conducted a single-arm intervention study (registration code UMIN000047054) in Kameyama City, Mie Prefecture, Japan. Healthy working adults (males and females aged 20-79 years) were recruited and supplied with test meals, which were eaten once a day 5 days a week for 8 weeks. SA was significantly higher and daytime sleepiness (DS) was significantly lower after lunch on workdays in younger participants (under 60 years) when they ate the test meals as breakfast or lunch. Our results suggest that SA and DS, which change daily, are strongly influenced by the meal eaten before work, and that taking the 17 nutrients may help prevent presenteeism and improve labor productivity.
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  • 文章类型: Journal Article
    妊娠期糖尿病(GDM)孕妇的营养摄入对于确保令人满意的分娩结局很重要。本研究旨在探讨GDM患者的膳食结构,将结果与中国膳食指南或中国膳食参考摄入量(DRI)进行比较,并研究孕妇膳食摄入量与妊娠结局之间的关系。
    共有221例妊娠中期GDM患者纳入该队列。使用连续三天的24小时回忆方法收集饮食摄入量数据。随后监测这些参与者的妊娠结局。进行了单变量逻辑回归和多变量逻辑回归分析,以探讨饮食摄入变量或一般特征变量与不良妊娠结局之间的关系。
    不良妊娠结局的参与者显示碘和维生素D的摄入量较低,从碳水化合物摄入的膳食能量百分比较低,从脂肪摄入的膳食能量百分比较高,与没有不良妊娠结局的参与者相比。妊娠体重增加和糖尿病家族史与不良妊娠结局的风险增加有关。相反,定期锻炼,碘和维生素D的摄入量,从碳水化合物中摄入的膳食能量百分比与风险降低相关。
    中国GDM孕妇的日常饮食不符合膳食指南或DRI。维生素D和碘的摄入量低,低膳食碳水化合物比例,糖尿病家族史,缺乏锻炼,妊娠期高体重增加与GDM孕妇不良妊娠结局风险增加相关.
    UNASSIGNED: Nutrient intake for pregnant women with gestational diabetes mellitus (GDM) is important to ensure satisfactory birth outcomes. This study aims to explore the dietary profiles of patients with GDM, compare the results with the Chinese dietary guidelines or Dietary Reference Intakes (DRIs) from China and investigate the relationship between maternal dietary intake and pregnancy outcomes.
    UNASSIGNED: A total of 221 patients with GDM in the second trimester were included in the cohort. Dietary intake data were collected using a 24-hour recall method for three consecutive days. The pregnancy outcomes of these participants were subsequently monitored. Both univariate logistic regression and multivariate logistic regression analyses were conducted to explore the associations between dietary intake variables or general characteristics variables and adverse pregnancy outcomes.
    UNASSIGNED: Participants with adverse pregnancy outcomes showed a lower intake of iodine and vitamin D, a lower percentage of dietary energy intake from carbohydrates and a higher percentage of dietary energy intake from fats, compared to participants without adverse pregnancy outcomes. The gestational weight gain and family history of diabetes were associated with an increased risk of adverse pregnancy outcomes. Conversely, regular exercise, the intake of iodine and Vitamin D, and the percentage of dietary energy intake from carbohydrates were associated with a decreased risk.
    UNASSIGNED: The daily diet of pregnant women with GDM in China did not meet the dietary guidelines or DRIs. The low intake of Vitamin D and iodine, the low dietary carbohydrate ratio, family history of diabetes, lack of exercise, and high gestational weight gain were associated with increased risk of adverse pregnancy outcomes in pregnant women with GDM.
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  • 文章类型: Journal Article
    运动员充足的能量和营养摄入有助于最佳表现和恢复,降低受伤风险,帮助运动员保持健康。地中海饮食(MD)被认为适合满足运动员的营养需求,同时有助于改善饮食习惯。本研究的目的是调查半职业女足球运动员的能量和营养摄入量及其对MD的依从性,在竞争的季节。
    对二十三名女足球运动员进行了横断面观察研究,他们被邀请两次填写三天的食物日记,相隔一个月,评估他们的能量和营养素摄入量,并通过经过验证的问卷(MEDI-LITE)评估他们对MD的依从性。GPS监控了三个训练和比赛日的运动能量消耗。
    平均而言,参与者消耗1,981千卡/天,44%的能量来自碳水化合物,21%来自蛋白质,34%来自脂肪;平均MD依从性评分为10.1±1.8,对应于良好的MD依从性。相当比例的运动员有维生素D摄入不足的风险(100%),碘(87%),钾(87%),维生素E(39%),铁和锌(17%和30%,分别)。
    对女足球运动员饮食摄入量的评估显示,与训练水平有关的能量不足,主要是因为碳水化合物摄入不足,和微量营养素缺乏。技术人员应促进女运动员充分食用淀粉类食物,并强调在不同饮食场合适当分配能量摄入的重要性,包括小吃。定期监测微量营养素(维生素D和某些矿物质)的营养状况可能有助于降低缺乏风险。总的来说,营养教育改善运动员的饮食习惯似乎值得重视,为了保护运动员的健康和表现。
    UNASSIGNED: Adequate energy and nutrient intakes in athletes contribute to optimal performance and recovery, decrease the risk of injury, and help preserve athletes\' health. The Mediterranean diet (MD) is considered suitable for covering the nutritional needs of athletes, while contributing to improve eating habits. The aim of the present study was to investigate the energy and nutrient intakes of semi-professional female soccer players and their adherence to the MD, during the competitive season.
    UNASSIGNED: A cross-sectional observational study was conducted on twenty-three female soccer players, who were invited to fill in a 3-day food diary twice, one month apart, to assess their energy and nutrient intakes and a validated questionnaire (MEDI-LITE) to evaluate their adherence to MD. Exercise energy expenditure during three training and match-play days was monitored by GPS.
    UNASSIGNED: On average, the participants consumed 1,981 kcal/day, with 44% of their energy deriving from carbohydrates, 21% from protein, and 34% from fat; the mean MD adherence score was 10.1 ± 1.8, corresponding to a good MD adherence. A substantial percentage of athletes were at risk of insufficient nutrient intakes for vitamin D (100%), iodine (87%), potassium (87%), vitamin E (39%), iron and zinc (17 and 30%, respectively).
    UNASSIGNED: The evaluation of the dietary intake in female soccer players showed energy deficiency in relation to training level, mainly due to the insufficient intake of carbohydrates, and micronutrient deficiencies. The technical staff should promote adequate consumption of starchy foods in female athletes and emphasize the importance of a proper distribution of energy intake among different eating occasions, including snacks. Periodic monitoring of the nutritional status of micronutrients (vitamin D and some minerals) could help reduce deficiency risk. Over all, nutrition education to improve eating habits of athletes seems worthy of attention, in order to preserve athletes\' health and performance.
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  • 文章类型: Journal Article
    预期寿命的增加和过早绝经的发生延长了女性寿命的平均绝经后阶段。尽管不良社会经济地位(SES)的作用,人体测量特征,和营养状况在过早绝经和绝经后妇女的健康是众所周知的,根据绝经年龄,绝经后妇女的营养状况和代谢综合征(MetS)患病率的差异研究较少.此外,未研究绝经后女性SES与MetS风险之间的关系.因此,本研究旨在比较绝经过早和自然绝经女性不同的营养状况和MetS风险.此外,SES之间的关联,与健康相关的生活方式行为(HLBs),并研究了绝经后妇女的MetS风险。这项研究包括来自第八届全国健康和营养检查调查(KNHANES)的31,799名绝经后妇女。使用方差分析(GLM)分析受试者的疾病患病率与营养素摄入量之间的关系,进行Scheffé试验。采用多元logistic回归分析评价SES、HLBs,和MetS以及更年期过早。绝经过早的女性表现出不良的SES,人体测量特征,与自然更年期女性相比。此外,更年期妇女的蛋白质摄入量明显较低,多不饱和脂肪酸,n-3脂肪酸,和β-胡萝卜素,但是更高的能量摄入量,碳水化合物,饱和脂肪酸,和糖比女性自然更年期(p<0.0001)。绝经前妇女因患有高甘油三酯血症而表现出显著较高的MetS患病率(p<0.0001),高血压(p=0.0145),与自然绝经妇女相比,HDL胆固醇水平降低(p<0.0001)。此外,我们的发现表明SES之间存在实质性的联系,HLBs,和过早绝经的风险。在绝经后的女性中,SES和HLBs恶化似乎会影响MetS的患病率。值得注意的是,我们的研究表明,更高的蛋白质摄入量,钙,磷酸盐,和铁与发生MetS的风险较低相关。这些观察结果表明,对绝经前妇女进行积极的营养教育对于改善MetS风险及其营养状况是必要的。此外,关于绝经后妇女的营养和HLBs的SES依赖性干预措施对降低MetS风险具有重要意义。MetS衍生的慢性疾病,绝经后妇女的死亡率。
    The increased life expectancy and the occurrence of premature menopause prolong the mean postmenopausal phase in women\'s lifespans. Although the roles of poor socioeconomic status (SES), anthropometric characteristics, and nutritional status in premature menopause and the health of postmenopausal women are well understood, the differences in nutritional status and metabolic syndrome (MetS) prevalence in postmenopausal women depending on their menopause age are less explored. Furthermore, the association between SES and MetS risk in postmenopausal women is not studied. Thus, this study aimed to compare distinct nutritional status and MetS risk between women with premature menopause and natural menopause. Additionally, the association among SES, health-related lifestyle behaviors (HLBs), and MetS risk in postmenopausal women was studied. This study included 31,799 postmenopausal women from the 8th National Health and Nutrition Examination Survey (KNHANES). The relationship between disease prevalence and nutrient intake of the subjects was analyzed using analysis of variance (GLM), and Scheffé test was performed. Multiple logistic regression analysis was used to evaluate the association among SES, HLBs, and MetS as well as premature menopause. Women with premature menopause showed poor SES, anthropometric characteristics, and HLBs compared with women with natural menopause. Additionally, premature menopausal women had markedly lower intakes of protein, polyunsaturated fatty acid, n-3 fatty acid, and β-carotene, but higher intakes of energy, carbohydrate, saturated fatty acid, and sugar than women with natural menopause (p < 0.0001). Premature menopausal women showed significantly higher MetS prevalence by having hypertriglyceridemia (p < 0.0001), hypertension (p = 0.0145), and reduced HDL cholesterol levels (p < 0.0001) relative to natural menopausal women. Furthermore, our findings indicate a substantial link among SES, HLBs, and the risk of premature menopause. In postmenopausal women, deteriorating SES and HLBs appear to influence the prevalence of MetS. Notably, our study reveals that higher intakes of protein, calcium, phosphate, and iron are correlated with a lower risk of developing MetS. These observations suggest that proactive nutritional education for premature menopausal women is necessary to improve MetS risk and their nutritional status. Also, SES-dependent interventions regarding nutrition and HLBs in postmenopausal women will be significant to lower MetS risk, MetS-derived chronic disease, and mortality in postmenopausal women.
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  • 文章类型: Journal Article
    目的:这项研究利用数据挖掘和机器学习(ML)技术来确定大学生营养摄入与贫血之间关联的新模式和分类。
    方法:我们采用K均值聚类分析算法和决策树(DT)技术来确定贫血与维生素和矿物质摄入量之间的关联。我们基于贫血加权聚类对数据进行了归一化和平衡,以提高ML模型的准确性。此外,进行t检验和方差分析(ANOVA)以鉴定聚类之间的显著差异。我们在来自巴勒斯坦希伯伦地区的755名女性参与者的平衡数据集上评估了模型。
    结果:我们的研究发现34.8%的参与者贫血。各种微量营养素的摄入量(即,叶酸,维生素A,B5,B6,B12,C,E,Ca,Fe,和Mg)低于RDA/AI值,这表明本队列总体营养不良不平衡。贫血与能量摄入显著相关,蛋白质,脂肪,维生素B1、B5、B6、C、Mg,Cu和Zn。另一方面,蛋白质的摄入量,维生素B2,B5,B6,C,E,胆碱,叶酸,磷,贫血受试者的Mn和Zn显着低于非贫血受试者。维生素和矿物质的DT分类模型(准确率:82.1%)确定了维生素B2,B3,B5,B6,B12,E,叶酸,Zn,Mg,铁和锰与贫血的患病率。
    结论:除了通常已知与贫血样叶酸有关的营养素,维生素B6,C,B12或Fe-目前年轻女大学生队列中的聚类分析也发现了胆碱,VitE,B2,Zn,Mg,Mn,和磷作为额外的营养素,可能与贫血的发展有关。需要进一步的研究来阐明这些营养素的摄入是否会影响贫血的风险。
    OBJECTIVE: This study utilized data mining and machine learning (ML) techniques to identify new patterns and classifications of the associations between nutrient intake and anemia among university students.
    METHODS: We employed K-means clustering analysis algorithm and Decision Tree (DT) technique to identify the association between anemia and vitamin and mineral intakes. We normalized and balanced the data based on anemia weighted clusters for improving ML models\' accuracy. In addition, t-tests and Analysis of Variance (ANOVA) were performed to identify significant differences between the clusters. We evaluated the models on a balanced dataset of 755 female participants from the Hebron district in Palestine.
    RESULTS: Our study found that 34.8% of the participants were anemic. The intake of various micronutrients (i.e., folate, Vit A, B5, B6, B12, C, E, Ca, Fe, and Mg) was below RDA/AI values, which indicated an overall unbalanced malnutrition in the present cohort. Anemia was significantly associated with intakes of energy, protein, fat, Vit B1, B5, B6, C, Mg, Cu and Zn. On the other hand, intakes of protein, Vit B2, B5, B6, C, E, choline, folate, phosphorus, Mn and Zn were significantly lower in anemic than in non-anemic subjects. DT classification models for vitamins and minerals (accuracy rate: 82.1%) identified an inverse association between intakes of Vit B2, B3, B5, B6, B12, E, folate, Zn, Mg, Fe and Mn and prevalence of anemia.
    CONCLUSIONS: Besides the nutrients commonly known to be linked to anemia-like folate, Vit B6, C, B12, or Fe-the cluster analyses in the present cohort of young female university students have also found choline, Vit E, B2, Zn, Mg, Mn, and phosphorus as additional nutrients that might relate to the development of anemia. Further research is needed to elucidate if the intake of these nutrients might influence the risk of anemia.
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