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25-hydroxy-vitamin D demography and the risk of vitamin D insufficiency in the South East Asian Nutrition Surveys (SEANUTS)

东南亚营养调查中25-羟基维生素D人口学特征和维生素D缺乏的风险

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摘要


本课题选择了代表2010/2011年在马来西亚、印度尼西亚、泰国和越南进行的东南亚营养调查(SEANUTS)中的16,744名年龄在0.5到12岁之间儿童为样本。使用问卷调查收集了研究对象的社会人口学和行为学信息,同时检测了人体测量学参数。在一个2016名儿童的子样本中,测定了血清25羟基维生素D(25(OH)D)浓度。使用SPSS软件考虑权重因素的复杂样本分析并报告人群代表性。依据缺乏(<25 nmol/L)、不足(<50 nmol/L),不太足(<75 nmol/L)和充足(≥75 nmol/L)将儿童分类。在马来西亚和泰国,城市儿童25(OH)D水平低于农村儿童。在除了越南的其它国家中,男童25(OH)D水平高,年龄较大的儿童25(OH)D水平低。校正了年龄、性别和居住面积后,地区差异依然存在。在泰国和马来西亚,25(OH)D 水平与宗教有关。有充足25(OH)D(≥75nmol/L)儿童所占的百分比从最低的5%(印度尼西亚)到20%(越南)。在所有国家,40%到50%的儿童维生素D不足(<50 nmol/L)。Logistic回归分析显示女孩、城市、农村地区和宗教显著增加维生素D缺乏的风险。亚热带SEANUTS国家较高的维生素D缺乏率,表明需要按各国各地区的具体情况定制解决维生素D缺乏问题。促进以食品为基础的积极户外活动的阳光照射策略来提高维生素D的摄入是个可行的选择。

並列摘要


The South East Asian Nutrition Surveys (SEANUTS) were conducted in 2010/2011 in Indonesia, Malaysia, Thailand and Vietnam in country representative samples totalling 16,744 children aged 0.5 to 12 years. Information on socio-demographic and behavioural variables was collected using questionnaires and anthropometric variables were measured. In a sub-sample of 2016 children, serum 25-hydroxy-vitamin D (25(OH)D) was determined. Data were analysed using SPSS complex sample with weight factors to report population representative data. Children were categorized as deficient (<25 nmol/L), insufficient (<50 nmol/L), inadequate (<75 nmol/L) or desirable (≥75 nmol/L). In Malaysia and Thailand, urban children had lower 25(OH)D than rural children. In all countries, except Vietnam, boys had higher 25(OH)D levels and older children had lower 25(OH)D. Regional differences after correcting for age, sex and area of residence were seen in all countries. In Thailand and Malaysia, 25(OH)D status was associated with religion. The percentage of children with adequate 25(OH)D (≥75 nmol/L) ranged from as low as 5% (Indonesia) to 20% (Vietnam). Vitamin D insufficiency (<50 nmol/L) was noted in 40 to 50% of children in all countries. Logistic regression showed that girls, urban area, region within the country and religion significantly increased the odds for being vitamin D insufficient. The high prevalence of vitamin D insufficiency in the (sub) tropical SEANUTS countries suggests a need for tailored approach to successfully combat this problem. Promoting active outdoor livestyle with safe sunlight exposure along with food-based strategies to improve vitamin D intake can be feasible options.

並列關鍵字

vitamin D 25(OH)D children SEANUTS aetiology

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