Analysis of influencing factors of diarrhea among children under 5 years in Yunnan poor areas

Objective To understand the prevalence of diarrhea among children under 5 and the influencing factors in the four rural counties of Yunnan Province,so as to provide the evidence for prevention and treatment of diarrhea in these areas.Methods Children under 5 and their parents,selected by cluster and typical sampling in those areas,are surveyed by questionnaire and physical examination.The measuring methods correspond with the national nine cities′ physique growth investigation in China.Results The acute diarrhea prevalence of children under 5 is 5.4 %(228/4 209),and the chronic diarrhea prevalence is 4.3 %(80/4 152).The prevalences of both acute and chronic diarrhea for the 6-month-old group are higher than for 4-year-old group(P0.05).The acute diarrhea prevalence in Shuanbai County is significantly higher than that in Xinpin County(χ2=26.2,P=0.000).There is significant difference for chronic diarrhea prevalence in all countries except between Jianshui and Xinpin County(P=0.000).Conclusion Proper supplementary food addition and reasonable feeding is the key method for preventing diarrhea in infant period,especially between 6 and 12 month of age.