Study on the association between macronutrients intake and abdominal obesity in Chinese children and adolescents aged 7-17 years
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摘要:
目的 探讨三大宏量营养素供能比对儿童青少年中心性肥胖前期/中心性肥胖的影响。 方法 本研究采用横断面研究,对象为1997—2011年中国营养与健康调查6轮调查中膳食及腰围数据完整的7~17岁的儿童青少年。根据中国疾病预防控制中心营养与食品安全所的研究标准判定儿童青少年中心性肥胖前期/中心性肥胖。采用多因素Logistic回归分析模型分析宏量营养素供能比与中心性肥胖前期/中心性肥胖的关系。 结果 调整相关混杂因素后,与脂肪供能比 < 25%组相比,≥30%组增加中心性肥胖前期/中心性肥胖风险(OR=1.29, 95% CI: 1.12~1.48);与蛋白质供能比 < 10%组相比,≥15%组增加中心性肥胖前期/中心性肥胖风险(OR=1.47, 95% CI: 1.19~1.82);与碳水化合物供能比 < 55%组相比,55%~ < 65%组(OR=0.75, 95% CI: 0.64~0.87)与≥65%组(OR=0.68, 95% CI: 0.58~0.80)都降低了中心性肥胖前期/中心性肥胖风险。男生蛋白质供能比≥15%增加中心性肥胖前期/中心性肥胖的风险与女生相比更大(OR=1.78, 95% CI: 1.31~2.41, 交互作用P=0.012)。 结论 儿童青少年膳食结构中,脂肪和蛋白质供能比越高、碳水化合物供能比越低会增加中心性肥胖前期/中心性肥胖发生风险。 Abstract:Objective To explore the effect of macronutrient energy supply ratios on precentral obesity/central obesity in children and adolescents. Methods A cross-sectional study was conducted on children and adolescents aged 7-17 year. Dietary and waist circumference data were collected from the six rounds of the China Health and Nutrition Survey (CHNS) during 1997 to 2011. According to the research criteria of National Institute of Nutrition and Food Safety of Chinese Center for Disease Control and Prevention, precentral obesity/central obesity in children and adolescents was determined. Multivariate Logistic regression was used to analyze the relationship between macronutrient energy supply ratios and precentral obesity/central obesity. Results After adjusting confounders, the group with more than 30% fat supply increased the risk of precentral obesity/central obesity (OR=1.29, 95% CI: 1.12-1.48) compared with the group with fat energy supply less than 25%. Compared with the protein energy ratio less than 10% group, the ratio greater than or equal to 15% group increased the risk of precentral obesity/central obesity (OR=1.47, 95% CI: 1.19-1.82). The risk ofprecentral obesity/central obesity were both decreased in the 55% to 65% group (OR=0.75, 95% CI: 0.64-0.87) and ratio greater than or equal to 65% group (OR=0.68, 95% CI: 0.58-0.80) compared with the group with a carbohydrate energy supply ratio of less than 55%. The increased risk of precentral obesity/central obesity was greater in boys with protein energy ratio greater than or equal to 15% than in girls (OR=1.78, 95% CI: 1.31-2.41, interaction P=0.011). Conclusion Dietary structure of children and adolescents with lower carbohydrate energy ratio and higher fat and protein energy ratio increase the risk of precentral obesity/central obesity. -
Key words:
- Children /
- Adolescents /
- Macronutrients /
- Abdominal obesity /
- Waist circumference
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表 1 6 360名7~17岁儿童青少年基本特征[n(%)]
Table 1. The demographic characteristics of 6 360 children and adolescents aged 7-17 years old [n(%)]
变量 合计
(N=6 360)非肥胖组
(n=4 929)中心性肥胖前期/
中心性肥胖组
(n=1 431)χ2值 P值 年龄(岁) 11.872 0.001 7~ < 12 3 529(55.5) 2 792(56.6) 737(51.5) 12~17 2 831(44.5) 2 137(43.4) 694(48.5) 性别 27.387 <0.001 男 3 360(52.8) 2 691(54.6) 669(46.8) 女 3 000(47.2) 2 238(45.4) 762(53.2) 城乡 37.750 <0.001 城市 1 958(30.8) 1 423(28.9) 535(37.4) 农村 4 402(69.2) 3 506(71.1) 896(62.6) 家庭人均年收入 33.402 <0.001 低 1 916(30.1) 1 557(31.6) 359(25.1) 中 3 223(50.7) 2 487(50.5) 736(51.4) 高 1 221(19.2) 885(18.0) 336(23.5) 父母肥胖 124.192 <0.001 否 4 906(77.1) 3 958(80.3) 948(66.2) 是 1 454(22.9) 971(19.7) 483(33.8) 摄入总能量/RNI(%) 2.128 0.345 < 80 3 022(47.5) 2 366(48.0) 656(45.8) 80~ < 100 1 821(28.6) 1 401(28.4) 420(29.4) ≥100 1 517(23.9) 1 162(23.6) 355(24.8) 经常进行体育锻炼 10.977 0.001 是 4 819(75.8) 3 782(76.7) 1 037(72.5) 否 1 541(24.2) 1 147(23.3) 394(27.5) 碳水化合物供能比(%) 61.281 <0.001 < 55 2 203(34.6) 1 588(32.2) 615(43.0) 55~ < 65 1 917(30.1) 1 512(30.7) 405(28.3) ≥65 2 240(35.2) 1 829(37.1) 411(28.7) 脂肪供能比(%) 42.218 <0.001 < 25 2 687(42.2) 2 159(43.8) 528(36.9) 25~ < 30 1 053(16.6) 846(17.2) 207(14.5) ≥30 2 620(41.2) 1 924(39.0) 696(48.6) 蛋白质供能比(%) 31.738 <0.001 < 10 1 121(17.6) 910(18.5) 211(14.7) 10~ < 15 4 249(66.8) 3 314(67.2) 935(65.3) ≥15 990(15.6) 705(14.3) 285(19.9) 表 2 宏量营养素供能比与7~17岁儿童青少年中心性肥胖前期/中心性肥胖的多因素Logistic回归分析模型分析
Table 2. Multivariate Logistic regression analysis of macronutrient energy supply ratio and precentral obesity/central obesity among children and adolescents aged 7-17 years
变量 总人数/(中心性肥胖
前期/中心性肥胖数)模型1a 模型2b 模型3c OR(95% CI)值 P值 OR(95% CI)值 P值 OR(95% CI)值 P值 摄入总能量/RNI(%) < 80 3 022/656 1.00 1.00 1.00 80~ < 100 1 821/420 1.08(0.94~1.24) 0.271 1.09(0.95~1.26) 0.206 1.08(0.94~1.25) 0.268 ≥100 1 517/355 1.10(0.95~1.28) 0.196 1.11(0.96~1.29) 0.170 1.08(0.93~1.25) 0.317 趋势性检验P值 0.119 0.258 0.415 碳水化合物供能比(%) < 55 2 203/615 1.00 1.00 1.00 55~ < 65 1 917/405 0.69(0.60~0.80) 0.000 0.73(0.63~0.84) 0.000 0.75(0.64~0.87) <0.001 ≥65 2 240/411 0.58(0.50~0.67) 0.000 0.62(0.54~0.72) 0.000 0.68(0.58~0.80) <0.001 趋势性检验P值 <0.001 <0.001 <0.001 脂肪供能比(%) < 25 2 687/528 1.00 1.00 1.00 25~ < 30 1 053/207 1.01(0.84~1.20) 0.996 0.97(0.81~1.16) 0.750 0.93(0.78~1.12) 0.459 ≥30 2 620/696 1.48(1.30~1.68) <0.001 1.39(1.21~1.59) <0.001 1.29(1.12~1.48) <0.001 趋势性检验P值 <0.001 <0.001 <0.001 蛋白质供能比(%) < 10 1 121/211 1.00 1.00 1.00 10~ < 15 4 249/935 1.22(1.03~1.44) 0.021 1.19(1.00~1.40) 0.046 1.13(0.95~1.33) 0.183 ≥15 990/285 1.74(1.42~2.14) <0.001 1.61(1.31~1.99) <0.001 1.47(1.19~1.82) 0.001 趋势性检验P值 <0.001 <0.001 0.001 注:a模型1:未校正任何因素;b模型2:校正了年龄、性别、城乡;c模型3:进一步校正家庭人均年收入、父母肥胖和经常参加体育锻炼;除摄入总能量/RNI外,其余三个宏量营养素供能比都校正了摄入总能量/RNI。 -
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