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目的比较广东阳江高本底地区和对照地区居民营养状况,评价营养在高本底地区对辐射致癌的混杂作用。方法分别从高本底地区和对照地区各3个镇中随机抽取居民各150人,调查近1个月家庭及个人的膳食平均摄入量及家庭基本情况,测量身高、体质量,测量血清总蛋白、三酰甘油、胆固醇、高低密度脂蛋白、肌酐、尿素氮等。结果 2地区居民体质量指数(BM I)分布对照地区(22.06±3.15)高于高本底地区(20.19±2.47,P<0.01),2地区居民部分营养素摄入水平有差异,对照地区偏高(P<0.01);血生化指标平均值均在正常参考值范围,对照地区低密度脂蛋白、白蛋白、总蛋白等均高于高本底地区(P<0.05)。结论高本底地区和对照地区居民营养状况有一定差异,对照地区居民营养状况总体好于高本底地区。
Objective To compare the nutritional status of residents in the high background area and the control area of Yangjiang, Guangdong Province, and to evaluate the mixed effect of nutrition in the high background area on radiation carcinogenesis. Methods A total of 150 residents were randomly selected from each of three towns in the high background area and the control area to investigate the average dietary intake and family status of the families and individuals in the recent one month. Height and body mass were measured. Total serum Protein, triglyceride, cholesterol, high and low density lipoprotein, creatinine, urea nitrogen and so on. Results The distribution of body mass index (BM I) in the two regions was higher (22.06 ± 3.15) than in the background (20.19 ± 2.47, P <0.01). There was a difference in nutrient intake among residents in the two regions, (P <0.01). The average values of blood biochemical indexes were in the normal reference range. The contents of low density lipoprotein, albumin and total protein in the control area were higher than those in the high background area (P <0.05). Conclusion The nutritional status of residents in high background area and control area are different. The nutritional status of residents in control area is generally better than that in high background area.