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目的探讨早产、胎次、妊高症、婴儿性别的聚集与甘肃省临夏县发生低出生体重危险性的关联性,为采取干预措施提供参考依据。方法采用自行设计调查表对甘肃省临夏县整群随机抽取的6乡共3 195名婴幼儿的父母进行面访调查。结果调整母亲民族和婴幼儿出生地区前后,妊高症、生育胎次≥2次、早产和女婴均与低出生体重危险性相关联,其OR值差异均有统计学意义(P<0.001);调整母亲民族和婴幼儿出生地区后,危险因素聚集1、2和≥3项的OR值分别为1.919(95%CI=1.268~2.904)、5.333(95%CI=3.391~8.387)和5.706(95%CI=2.025~16.08)。结论甘肃省临夏县低出生体重危险性随着危险因素聚集项数的增加而增大。
Objective To investigate the association of preterm birth, parity, pregnancy-induced hypertension, infant sex and low birth weight risk in Linxia County, Gansu Province, and to provide reference for the intervention. Methods A self-designed questionnaire was used to interview parents of 3 195 infants in 6 townships randomly selected from Linxia County, Gansu Province. Results Before and after the birth of mothers and infants was adjusted, the pregnancy-induced hypertension and the number of childbirth were ≥2 times. The risk of preterm delivery and female infant were both associated with low birth weight risk. The OR values were significantly different (P <0.001) ; Adjusted maternal ethnicity and infant birth areas, the risk factors gathered 1, 2 and 3 items were 1.919 (95% CI = 1.268-2.904), 5.333 (95% CI = 3.391-8.387) and 5.706 95% CI = 2.025 ~ 16.08). Conclusion The low birth weight risk of Linxia County in Gansu Province increases with the increase of aggregation number of risk factors.