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首页> 外文期刊>The British Journal of Nutrition >Associations between dietary variety and measures of body adiposity: a systematic review of epidemiological studies.
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Associations between dietary variety and measures of body adiposity: a systematic review of epidemiological studies.

机译：饮食品种与身体肥胖度量之间的关联：流行病学研究的系统综述。

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Dietary variety is positively correlated with energy intake in most studies. However, the associations between dietary variety and measures of body adiposity are inconsistent in the literature, which limits the development of clear national nutrition recommendations regarding dietary variety. In the present systematic review, we critically evaluate the associations between dietary variety and measures of body adiposity among healthy adults within the existing literature. We conducted a systematic search of the MEDLINE and Web of Science databases in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement to examine these associations. We identified twenty-six studies in total that investigated the associations between dietary variety and body adiposity measures. Total variety was non-significantly associated with body adiposity in most studies, while variety in recommended foods was either inversely associated (six out of ten studies) or non-significantly associated (three out of ten studies) with body adiposity. Conversely, variety in non-recommended foods (i.e. sources of added sugars and solid fats) increased the likelihood of excess adiposity in most studies (six out of nine studies). Definitions and measurement of dietary variety were inconsistent across studies and contributed to some of the discrepancies noted in the literature. In conclusion, among the studies that met the inclusion criteria for the present review, dietary variety was inconsistently associated with body adiposity in diverse populations. Using consistent and specific definitions of dietary variety may help provide further insight into the associations between dietary variety and excess adiposity before definitive public health messages are made
机译：在大多数研究中，饮食多样性与能量摄入呈正相关。然而，饮食多样性和身体肥胖程度之间的关联在文献中是不一致的，这限制了有关饮食多样性的明确国家营养建议的制定。在目前的系统综述中，我们在现有文献中对健康成年人的饮食变化与体脂测量之间的关联性进行了严格的评估。我们根据系统评价和荟萃分析的首选报告项目，对MEDLINE和Web of Science数据库进行了系统搜索，以检查这些关联。我们总共确定了26项研究，这些研究调查了饮食种类和身体肥胖措施之间的关联。在大多数研究中，总的品种与体脂没有显着相关，而推荐食品的品种与体脂成反比（十项研究中的六项）或不显着（十项研究中的三项）。相反，在大多数研究中（九项研究中的六项），非推荐食品的多样性（即添加糖和固体脂肪的来源）增加了肥胖的可能性。不同研究中饮食品种的定义和衡量方法不一致，并加剧了文献中提到的某些差异。总之，在符合本评价纳入标准的研究中，饮食多样性与不同人群的体脂状况不一致。在制定明确的公共卫生信息之前，使用一致而具体的饮食多样性定义可能有助于进一步了解饮食多样性与过量肥胖之间的关系。

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