Abstract: Objective To understand the current status and influence factors of exclusive breastfeeding in Shandong. Methods Children under 5 years were selected as subjects from the survey of National 5th Health Services.Kaplan-Meier method was used to estimate the duration of breastfeeding and its survival curves,and Cox multivariate regression was used to identify the influence factors. Results Mean of the duration of 1 630 children for exclusive breastfeeding was 6.15 months in Shandong.Areas of residency,mothers' education levels,family income,initiation of formula,abortion experience,delivery mode and parents' marital status were correlated with the duration of exclusive breastfeeding. Conclusions The duration of exclusive breastfeeding for children in Shandong is closed to the WHO standard.Howerer the rate of duration within 6 months old is lower.Intervention program should be implemented to improve the current status.

Key words: exclusive breastfeeding, duration time, influence factors

摘要： 目的 了解山东儿童纯母乳喂养持续时间现状及其影响因素,为母乳喂养的科学干预提供依据。方法 利用国家第五次卫生服务调查数据资料,选取山东省0~5岁儿童为研究对象,采用Kaplan-Meier法对纯母乳喂养持续时间进行生存曲线估计,用Cox回归模型分析其影响因素。结果 1 630名儿童的纯母乳喂养持续时间均值为6.15个月,地区、母亲文化程度、家庭收入、辅食添加时间、母亲是否流产、出生方式、父母婚姻状况是纯母乳喂养持续时间的影响因素。结论 山东儿童纯母乳喂养持续时间与WHO标准接近,但6月龄内纯母乳喂养率较低,需采取有效干预措施提高儿童母乳喂养率和母乳喂养持续时间。

关键词: 母乳喂养, 持续时间, 影响因素