【目的】 探讨深圳市学龄儿童功能性便秘(functional constipation, FC)的流行病学情况及危险因素,为学龄儿童功能性便秘的病因学研究及预防措施制定提供科学依据。 【方法】 采用分层整群随机抽样调查法,对深圳市小学儿童随机抽取1 786人进行问卷调查,对确诊功能性便秘患儿进行临床分析。 【结果】 深圳市小学儿童功能性便秘的患病率为5.49%,偏食,嗜油炸食物,不吃或偶尔吃一些蔬菜,喜食肉类,睡眠质量差,多汗,心情焦虑烦躁,遗传,肥胖等9种因素为慢性便秘最具可能性的危害因素,其OR值均＞1。 【结论】 从学龄儿童功能性便秘的危险因素入手,采取针对性的手段,制定确实可靠的预防措施,达到早期预防早期治疗的目的。

【Objective】 To discuss the epidemiological situation and the risk factors in the pathogenesis for the functional constipation(FC) among school children in Shenzhen, and in order to provide a scientific basis of etiology and precaution for the school children. 【Methods】 A stratified, randomized study by cluster sampling using a questionnaire was employed with 1 786 children whose studying in primary school in Shenzhen, and the clinical data of these children diagnosed FC were analysed. 【Results】 The incidence rates for these functional constipation among school children is 5.49% in primary school in Shenzhen. Factors including the poor balanced diet, excessive intake of fried food, excessive intake of meat, did not eat or occasionally some vegetables, poor sleep quality, sweating much, anxiety, heredity and obesity were significantly associated with the presence of chronic constipation(OR＞1). 【Conclusion】 To start from the risk factors of school children's functional constipation and take some target actions and make early treatment could protect children from FC.