Dong Caixia, Ge Pengfei, Ren Xiaolan, Zhao Xianfeng, Wang Jie, Fan Haoqiang, Yin Shi-an
Department of Chronic disease, Gansu Center for Disease Control and Prevention, Lanzhou City, Gansu Province, China.
Department of Maternal and Child Nutrition, National Institute of Nutrition and Food Safety, Chinese Center for Disease Control and Prevention, Beijing, China.
PLoS One. 2014 Feb 12;9(2):e88444. doi: 10.1371/journal.pone.0088444. eCollection 2014.
In order to evaluate micronutrient status of children aged 24-60 months living in rural disaster areas after one year of the earthquake in Wenchuan.
After one year of Wenchuan Earthquake, using PPS sampling methods, a total of 270 children from six-randomized townships near seismic center, in each township sample size consisted of 30 to 50 children, were sampled for evaluating Z-score of children's growth status, anemia prevalence, vitamin A, vitamin D, vitamin B12, folic acid status. Final sample consisted of 152 boys and 118 girls, and blood samples were drawn from 206 children.
The stunting (HAZ<2SD) and wasting (WHZ<2SD) were respectively 14.7% and 0.7%. Prevalence of anemia was 17.3% and percentage of iron deficiency was 45.7%. The prevalence of vitamin A deficiency and marginal deficiency was 15.4% and 30.3%, respectively. The sum of vitamin D deficiency and marginal deficiency was near 90%. Percentages of Zinc deficiency including marginal and deficiency were 65.5%. Percentages of vitamin B12 marginal and deficiency were 8.6% and 10.6% and the prevalence of marginal deficiency was significantly higher in boys than in girls. Folic acid deficiency was not found in surveyed children using serum folic acid level <16.9 ng/ml.
In areas affected by Earthquake, preschool children had higher stunting prevalence and a relatively higher prevalence suffered from micronutrient deficiencies, including iron-deficiency anemia, and deficiencies of iron, zinc, vitamin A and vitamin B12.
评估汶川地震一年后农村灾区24至60个月儿童的微量营养素状况。
汶川地震一年后，采用PPS抽样方法，从地震中心附近6个随机乡镇共抽取270名儿童，每个乡镇样本量为30至50名儿童，以评估儿童生长状况的Z评分、贫血患病率、维生素A、维生素D、维生素B12、叶酸状况。最终样本包括152名男孩和118名女孩，从206名儿童中采集了血样。
发育迟缓（身高别年龄Z评分< -2标准差）和消瘦（体重别身高Z评分< -2标准差）发生率分别为14.7%和0.7%。贫血患病率为17.3%，缺铁率为45.7%。维生素A缺乏和边缘性缺乏的患病率分别为15.4%和30.3%。维生素D缺乏和边缘性缺乏的总和接近90%。锌缺乏（包括边缘性缺乏和缺乏）的比例为65.5%。维生素B12边缘性缺乏和缺乏的比例分别为8.6%和10.6%，男孩边缘性缺乏的患病率显著高于女孩。在所调查的儿童中，血清叶酸水平<16.9 ng/ml时未发现叶酸缺乏。
在地震受灾地区，学龄前儿童发育迟缓患病率较高，微量营养素缺乏患病率相对较高，包括缺铁性贫血以及铁、锌、维生素A和维生素B12缺乏。
