Objective To estimate the rural latrine improvement and sanitary status in Lin'an city in 2010-2014.To evaluate the comprehensive benefits of improvement, including health benefit, economic benefit, social benefit, and the basic situation of rural drinking water, etc. To find out appropriate toilet types for harmless treatment of feces, to provide evidence and support for impelling rural latrine improvement.
Methods The investigation was conducted by reviewing historical records and data, interview and field observation. SAS 9.3 was used to analyze the characteristics of the centralized tendency and dispersion tendency of the investigated data.
Results A total of 1093 households were investigated, 76.13% of households have had harmless sanitary latrine, and 99.88% of them were three-frame latrine with septic tank. The incidence of paratyphoid, hepatitis A, hepatitis E, bacterial dysentery and Amoebic dysentery was declined each year in varying extent; but the incidence of other infectious diarrhea was increased. There was a negative correlation between the funding input and the incidence of diarrhea.
Conclusion Latrine improvement is conductive to ameliorate rural environment, especially for indoor environment,to advance the effect of fecal harmless treatment, and to control the prevalence of intestinal infectious diseases.
DownLoad: