Objective:To study the correlation between the body mass index(BMI) and the blood lipid and fasting plasma glucose(FPG) in medical examination population in Xinjiang. Methods:The 10 097 subjects were selected from the physical examination center of the First Affiliated Hospital of Xinjiang Medical University, the First People's Hospital of Kashi, Turpan Hospital and the People's Hospital of Toli County from July 2011 to June 2013. The height and weight of the subjects were measured and their BMIs were calculated. Fasting venous blood was sampled to detect triglycerides(TG), total cholesterol(TC), high-density lipoprotein cholesterol(HDL-C), low-density lipoprotein cholesterol(LDL-C) and FPG. Multivariate data were analyzed by multivariate statistical analysis. SPSS 22.0 software was used for statistical analysis. Results:The overweight rate and obesity rate of the surveyed subjects were 38.57% and 32.43%, respectively. And there was statistical difference between the male and the female(χ2=87.293, P<0.001). The overweight rate(P<0.05) and obesity rate(P<0.05) of the male were statistically higher than those of the female. The distribution of BMI in different age groups was statistically different(χ2=343.711, P<0.001). The men aged over 30 were more likely to be overweight(44.32%), and aged over 50 were more likely to be obese(40.21%). The women aged over 40 were more likely to be overweight(39.18%), and aged over 60 were more likely to be obese(38.04%). The blood lipid levels were different in different BMI groups(Wilks'λ=0.957, F=56.678, P<0.001). The levels of TG and LDL-C were the highest in the group with BMI ≥ 28 kg·m-2. The level of TC was lower in the group with BMI<24 kg·m-2 than BMI of 24-28 kg·m-2 and BMI ≥ 28 kg·m-2. The lowest HDL-C level was found in the group with BMI ≥ 28 kg·m-2. The distribution of FPG varied in different BMI groups(F=48.883, P<0.001). The level of FPG was higher in BMI of 24-28 kg·m-2 and BMI ≥ 28 kg·m-2 than BMI<24 kg·m-2 group(P<0.05). The BMI of females was positively correlated with TC, TG, LDL-C and FPG, but negatively correlated with HDL-C(P<0.05). The BMI of males was positively correlated with TG, LDL-C and FPG, but negatively correlated with HDL-C(P<0.05). After adjustment for age and gender, the risk of dyslipidemia was respectively 1.667 times higher in overweight group and 1.951 times higher in obesity group than those in the normal group, and the risk of pathoglycemia was respectively 1.464 times higher in overweight group and 1.838 times higher in obesity group than those in the normal group(P< 0.05). Conclusion:The prevalence of overweight and obesity among the medical examination population in Xinjiang is relatively high, of whom the male are higher risk group. BMI has a significant effect on blood lipid and glucose level in the population of Xinjiang. |
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