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目的调查三亚地区黎族孕妇的叶酸水平及其对叶酸的认知度。方法选择三亚地区的325名孕早期的黎族孕妇为观察组,350名孕早期的汉族孕妇为对照组;化学发光法测定研究对象的血清和红细胞叶酸水平,问卷调查分析其对叶酸的认知度。结果观察组的血清和红细胞叶酸水平分别为(12.35±4.2)nmol/L和(265±11.2)nmol/L,均低于对照组(16.25±3.6nmol/L和325±10.4,P<0.05)。观察组文化程度为初中及以下者占61.8%、高中及中专者占26.2%、大专及以上者占12.0%,对照组分别为52.8%、35.7%和11.4%。观察组月收入在1500元以下者占68.3%,高于对照组(52.3%),观察组对叶酸的认知度为49.8%～67.7%,低于对照组的61.4%～74.6%,差异有统计学意义(χ2=3.894~9.168,P<0.05)。结论三亚地区黎族孕妇的叶酸水平低于当地汉族孕妇,这可能与其文化程度、经济收入、以及对叶酸的认知度均较低有关。
Objective To investigate the level of folate in pregnant women of Li ethnic group in Sanya and their cognition of folic acid. Methods 325 pregnant women in the first trimester of Li ethnic group in Sanya and 350 pregnant women in the first trimester of pregnancy were selected as the control group. The level of serum folate and serum folate of the study subjects were determined by chemiluminescence method. . Results The levels of serum and erythrocyte folate in the observation group were (12.35 ± 4.2) nmol / L and (265 ± 11.2) nmol / L, respectively, lower than those in the control group (16.25 ± 3.6 nmol / L and 325 ± 10.4, P < . The educational level of observation group was 61.8% for junior high school and below, 26.2% for high school and secondary school, 12.0% for college and above, and 52.8%, 35.7% and 11.4% for control group. The observation group monthly income below 1,500 yuan accounted for 68.3%, higher than the control group (52.3%), the observation group of folic acid awareness was 49.8% ~ 67.7%, lower than the control group of 61.4% to 74.6%, the difference was Statistical significance (χ2 = 3.894 ~ 9.168, P <0.05). Conclusions Folic acid levels in pregnant women of Li ethnicity in Sanya are lower than those of pregnant women in Han ethnicity in Sanya area. This may be related to the low level of education, economic income and awareness of folic acid.