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努纳武特因纽特人群的肥胖表型及其与心血管代谢风险特征的关联。

Adiposity Phenotypes and Associated Cardiometabolic Risk Profile in the Inuit Population of Nunavik.

机构信息

École de Nutrition, Université Laval, Québec, QC G1V 0A6, Canada.

Institut Universitaire de Cardiologie et de Pneumologie de Québec, Québec, QC G1V 4G5, Canada.

出版信息

Nutrients. 2024 Mar 2;16(5):725. doi: 10.3390/nu16050725.

Abstract

The Inuit population of Nunavik is faced with a significant rise in the prevalence of obesity [body mass index (BMI) ≥ 30 kg/m], but the impact on cardiometabolic health is unclear. The aim of this study was to characterize adiposity phenotypes and explore their associations with cardiometabolic risk factors among Nunavimmiut men and women. We used data obtained from 1296 Inuit who participated in the ? 2017 Nunavik Inuit Health survey. Collected information included demographics, anthropometric measurements including visceral fat level (VFL) measured using electrical bioimpedance, biomarkers, hemodynamics, medical history and medication list. Adjusted population-weighted linear regressions were conducted to assess associations between body fat distribution and cardiometabolic risk factors. The accuracy and cut-off points of anthropometric indices to detect cardiometabolic abnormalities was evaluated by area under the receiver operator characteristic curve (AUROC) and a maximum Youden index analysis. Among Nunavimmiut (mean age 38.8 years [95%CI: 38.4 to 39.3]), obesity was observed in 42.8% of women and 25.6% of men. Compared to men, women presented a higher prevalence of abdominal obesity (78.8% vs. 46.4% in men, < 0.05) and elevated VFL (54.4% vs. 20.1% with an InBody level ≥ 13, < 0.05). Indices of global fat distribution and abdominal adiposity including VFL provided poor to moderate ability to detect cardiometabolic abnormalities (AUROC between 0.64 and 0.79). This analysis revealed that despite a high prevalence of abdominal obesity, particularly among women, anthropometric measurements of adiposity are inconsistently associated cardio-metabolic risk factors in Inuit adults of Nunavik.

摘要

努纳武特的因纽特人口肥胖患病率[体重指数(BMI)≥30kg/m]显著上升,但对心血管代谢健康的影响尚不清楚。本研究旨在描述肥胖表型,并探讨其与努纳武特男女心血管代谢危险因素的关系。我们使用了 1296 名因纽特人参与的 2017 年努纳武特因纽特人健康调查的数据。收集的信息包括人口统计学资料、人体测量学指标,包括使用电阻抗测量的内脏脂肪水平(VFL)、生物标志物、血液动力学、病史和用药清单。采用调整后的人群加权线性回归分析评估体脂分布与心血管代谢危险因素之间的关系。通过接受者操作特征曲线下面积(AUROC)和最大 Youden 指数分析评估了人体测量学指标对心血管代谢异常的检测准确性和截断值。在努纳武特人中(平均年龄 38.8 岁[95%CI:38.4 至 39.3]),女性肥胖的患病率为 42.8%,男性为 25.6%。与男性相比,女性腹部肥胖的患病率更高(78.8%比男性的 46.4%,<0.05),VFL 水平更高(54.4%比男性的 20.1%,InBody 水平≥13,<0.05)。全球脂肪分布和腹部肥胖的指数,包括 VFL,对心血管代谢异常的检测能力较差至中等(AUROC 在 0.64 至 0.79 之间)。本分析表明,尽管腹部肥胖的患病率较高,尤其是在女性中,但努纳武特成年因纽特人的肥胖人体测量指标与心血管代谢危险因素的相关性不一致。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a9a6/10934199/14f3e1c65a06/nutrients-16-00725-g001.jpg

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