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  • Title: Socioeconomic inequality in periconceptional folic acid supplementation in China: a census of 0.9 million women in their first trimester of pregnancy.
    Author: Liu M, Chen J, Liu J, Zhang S, Wang Q, Shen H, Zhang Y.
    Journal: BMC Pregnancy Childbirth; 2017 Dec 16; 17(1):422. PubMed ID: 29246118.
    Abstract:
    BACKGROUND: To assess socioeconomic inequality in periconceptional folic acid supplementation in China. METHODS: We used data of periconceptional folic acid (FA) supplementation of rural Chinese women from the National Free Preconception Health Examination Project from 2010 to 2012 and socioeconomic level data from the National Bureau of Statistics. We used logistic models to assess the associations between the prevalence of taking FA and the sociodemographic characteristics of the participants, the couples, and the socioeconomic levels of their region of residence. RESULTS: Of the 907,720 included women, 682,315 (75.62%) of the women reported taking FA. The prevalence of FA supplementation was significantly higher in participants aged 21-29 (75.87%) than in those women aged 40-49 (68.44%, p < 0.01). The prevalence of FA supplementation was significantly higher in the region with the highest Per Capita Gross Regional Product than in the regions with lower Per Capita Gross Regional Product (aOR = 12.20 [95% CI:9.54-15.61]). The higher the per capita net income of farmer households in the region, the higher the prevalence of FA supplementation (aOR = 1.95 [95% CI:1.74-2.18]). CONCLUSIONS: The rate of periconceptional FA supplementation among rural Chinese women has increased with the support of China's Health System Reform policy. However, socioeconomic disparities in periconceptional folic acid supplementation remain.
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