[Evaluation of effectiveness of comprehensive control for diarrhea diseases in rural areas of east Fujian and analysis of its cost-benefit].

An intervention trial with comprehensive prevention and control for diarrhea diseases was carried out in the rural areas of East Fujian, China during 1991 to 1993, focusing on improvement of drinking water, health education, and supervision and direction to villagers to improve their environmental and family health. Results showed the intervention could reduce the incidence of diarrhea diseases by 55.1 percent in average. Economic benefit analysis of the effectiveness of the intervention showed ratios of cost to benefit were 1:5.6, 1:4.9 and 1:6.5 in 1991, 1992 and 1993, respectively, and net benefit amounted to 13,674,000 Chinese yuan. It suggests that effectiveness of this comprehensive control was significant and cost-effective.