[Epidemiological survey of lipid levels and factors in Kazakan people over 30-year old in Fukang of Xinjiang]

Deng-pan Liang, Xiao-guang Yao, Nan-fang Li, De-lian Zhang, Yan-ying Guo, Li Lin, Ling Zhou, Wen-chang Li, Zhi-tao Yan, Hong-mei Wang, Wen-li Luo, Jian-hang Chang
Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine] 2011, 45 (5): 440-3

OBJECTIVE: To study the lipids level in Kazakan individuals over 30-year-old in Fukang area of Xinjiang.

METHODS: Random cluster multistage sampling method were performed to select the subjects, and 991 individuals aged older than 30 from Fukang of Xinjiang were included. The plasma total cholesterol (TC), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), plasma glucose and insulin were measured. Related adverse cardiovascular risk factors were discussed.

RESULTS: The mean plasma TC, TG, HDL-C and LDL-C of Kazakan residents over 30-year-old in Fukang of Xinjiang were (5.05 ± 1.07), (1.10 ± 0.66), (1.46 ± 0.38) and (3.06 ± 0.84) mmol/L, respectively. TC, TG and LDL-C levels in male subjects were higher than those in females (male vs female: TC: (5.19 ± 1.05) mmol/L vs (4.94 ± 1.07) mmol/L, t = 3.57, P < 0.01; TG: (1.32 ± 0.80) mmol/L vs (0.94 ± 0.46) mmol/L, t = 8.63, P < 0.01; LDL-C: (3.30 ± 0.85) mmol/L vs (2.88 ± 0.79) mmol/L, t = 8.06, P < 0.01). While the HDL-C level in male subjects was lower than that of female (male vs female: (1.32 ± 0.33) mmol/L vs (1.57 ± 0.38) mmol/L, t = 11.48, P < 0.01). The prevalence of dyslipidemia was 28.3% (280/991) in the overall populations. In the overall populations, the prevalence of hypercholesteremia, hypertriglyceridemia, high low-density lipoprotein cholesterolemia and low serum high density lipoprotein cholesterolemia were 12.6% (125/991), 6.6% (65/991), 11.0% (109/991) and 10.1% (100/991), respectively. The prevalence of individuals with borderline-high TC, TG and LDL-C were 27.0% (268/991), 7.6% (75/991) and 20.5% (203/991), respectively. The prevalence of dyslipidemia was 40.0% (172/430) in male populations. The prevalence of dyslipidemia in group aged 30 - 39, 40 - 49, 50 - 59, 60 and above were 26.2% (78/298), 26.0% (91/350), 31.2% (73/234) and 34.9% (38/109), respectively, the trend of prevalence was significant by trend test for groups comparison (χ(2) = 3.94, P < 0.05). Adjusting for age and gender, TG was positively correlated with waist circumference, abdominal circumference and BMI, the partial relation coefficients were 0.368 (P < 0.01), 0.336 (P < 0.01) and 0.331 (P < 0.01), respectively, and HDL-C was negatively correlated with waist circumference, abdominal circumference and BMI, the partial relation coefficients were -0.340 (P < 0.01), -0.339 (P < 0.01) and -0.321 (P < 0.01), respectively.

CONCLUSION: The lipid levels of Kazakan residents from Fukang area are high and are characterized by hypercholesteremia and high low-density lipoprotein cholesterolemia, and more attention of the prevention of dyslipidemia in this populations should be paid to males, border-line abnormal and those aged over 60-year old.

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