中文摘要：

目的探析体重指数与中医体质类型之间的相互关系,为从中医体质角度调节异常体重或从体重角度调理偏颇体质提供依据。方法从全国9省市横断面调查的21948例中医体质分类与健康调查数据库中,筛选出有完整身高、体重及中医体质类型记录的20513例样本作为研究对象。通过逻辑回归分析、单因素方差分析等统计方法分析不同体重指数人群的社会人口学特征、体质分布特点以及体重指数与中医体质类型之间的相互关系。结果气虚质与肥胖之间呈正相关（OR,1.20;95%CI,1.01~1.41）;阳虚质与超重、肥胖之间呈负相关（OR,0.84;95%CI,0.72~0.98）（OR,0.58;95%CI,0.50~0.67）,与体重偏轻呈正相关（OR,1.37;95%CI,1.17~1.59）;痰湿质与肥胖之间呈正相关（OR,2.37;95%CI,2.04~2.75）,与体重偏轻呈负相关（OR,0.76;95%CI,0.63~0.91）;血瘀质与体重偏轻呈正相关（OR,1.16;95%CI,1.01~1.34）,与肥胖呈负相关（OR,0.66;95%CI,0.57~0.76）;气郁质与超重、肥胖呈负相关（OR,0.86;95%CI,0.75~1.00）（OR,0.75;95%CI,0.65~0.87）。结论体重指数与中医体质类型之间存在着一定的关联性,但是对于两者之间的因果关系仍未明晰,仍需设计科学严谨、样本量充足的研究予以证实。

英文摘要：

Objective To explore and analyze the correlation between body mass index（ BMI）and traditional Chinese medicine constitution（ TCMC） in order to provide evidence for regulating weight from the perspective of TCMC or recuperating TCMC from the perspective of weight. Methods 20513 cases who have the completed data of height,weight and TCMC were screened from data base which was formed by a TCMC cross-sectional survey of 21948 natural population from nine provinces in China. Statistical analysis was conducted for analyzing the characteristics of sociodemographic characteristics,TCMC and the correlation between BMI and TCMC among different BMI population. Results Qi deficiency constitution was positively correlated with overweight and obesity（ OR,1. 20; 95% CI,1. 01 ~ 1. 41）. Yang-deficiency constitution was negatively correlated with overweight and obesity（ OR,0. 84; 95% CI,0. 72 ~ 0. 98）（ OR,0. 58; 95% CI,0. 50 ~ 0. 67）,while positively correlated with underweight（ OR,1. 37; 95% CI,1. 17 ~1. 59）. Phlegm wetness constitution was positively correlated with obesity（ OR,2. 37; 95% CI,2. 04 ~ 2. 75）,while negatively correlated with underweight（ OR,0. 76; 95% CI,0. 63 ~ 0. 91）. Blood stasis constitution was negatively correlated with obesity（ OR,0. 66; 95% CI,0. 57 ~ 0. 76）,while positively correlated with under-weight（ OR,1. 16; 95% CI,1. 01 ~ 1. 34）. Qi depressed constitution was negatively correlated with overweight and obesity（ OR,0. 86; 95% CI,0. 75 ~ 1. 00; OR,0. 75; 95% CI,0. 65 ~ 0. 87）. Conclusion There is a certain correlations between BMI and TCMC,but the causal relationship between the two is still not clear. It is necessary to design a scientific and rigorous research to confirm the relationship between the two.