青少年人体测量指标与腹部和全身脂肪的关系：性别和种族差异。
Relationship of anthropometric indices to abdominal and total body fat in youth: sex and race differences.
机构信息
Pennington Biomedical Research Center,, Baton Rouge, Louisiana, USA.
出版信息
Obesity (Silver Spring). 2014 May;22(5):1345-50. doi: 10.1002/oby.20714. Epub 2014 Feb 19.
OBJECTIVE
To determine the influence of sex and race on relationships between anthropometry (body mass index [BMI], waist circumference [WC], waist-to-height ratio [W/Ht]) and adiposity (fat mass [FM], abdominal subcutaneous [SAT] and visceral adipose tissue [VAT]) in African American and white youth.
METHODS
The sample included 382 youth 5-18 years of age. FM and abdominal adiposity were assessed using dual energy X-ray absorptiometry and magnetic resonance imaging. Regression was used to examine sex and race effects in the relationship between independent (BMI, WC, and W/Ht) and dependent (FM, SAT and VAT) variables.
RESULTS
BMI and WC were highly related to adiposity while W/Ht was moderately related. The association of BMI with FM and SAT was independent of sex and race, while the relationships of WC and W/Ht with FM and SAT were influenced by both sex and race. In contrast, the association between BMI and VAT was influenced by sex and race, while the relationships of WC and W/Ht with VAT were not.
CONCLUSIONS
WC and W/Ht have similar relationships with adiposity; however, WC presented stronger relationships. BMI is a predictor of overall adiposity but sex and race play a role in its relationship with VAT.
目的
确定性别和种族对非裔美国人和白人青少年人体测量学（体重指数 [BMI]、腰围 [WC]、腰高比 [W/Ht]）与肥胖（体脂肪 [FM]、腹部皮下 [SAT] 和内脏脂肪组织 [VAT]）之间关系的影响。
方法
该样本包括 382 名 5-18 岁的青少年。使用双能 X 射线吸收法和磁共振成像评估 FM 和腹部脂肪堆积。回归用于检查性别和种族对独立变量（BMI、WC 和 W/Ht）和因变量（FM、SAT 和 VAT）之间关系的影响。
结果
BMI 和 WC 与肥胖高度相关，而 W/Ht 中度相关。BMI 与 FM 和 SAT 的相关性不受性别和种族的影响，而 WC 和 W/Ht 与 FM 和 SAT 的相关性受性别和种族的影响。相比之下，BMI 与 VAT 的相关性受性别和种族的影响，而 WC 和 W/Ht 与 VAT 的相关性不受影响。
结论
WC 和 W/Ht 与肥胖的关系相似；然而，WC 呈现出更强的关系。BMI 是整体肥胖的预测因子，但性别和种族在其与 VAT 的关系中起作用。
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