Model for Rainfall and Malaria Cases in Yilmana Densa District, North West Ethiopia
Received Date: Aug 02, 2016 / Accepted Date: Sep 09, 2016 / Published Date: Sep 16, 2016
Background: Malaria is the major public health problem in Ethiopia. Rain fall amount and distribution have impact for malaria transmission. Objective: To assess the relationship between positive malaria cases and Rainfall within ten year’s periodic trends of malaria transmission. Method: Retrospective study design was conducted by using ten years monthly rainfall and positive malaria cases. Simple linear regression, correlation were applied to analyze association. SPSS version 16.0 was used for analysis. Result: A slight variation of malaria transmission was observed in the last ten years and the transmission was non periodic. Among Plasmodium species, P. falciparum was highly prevalent. From spearman correlation analysis monthly minimum rainfall (p=0.022) at one month lag was significantly correlated with total positive malaria cases. Simple linear regression analysis suggested that monthly rainfall (p=0.001) at one month lag was significant meteorological factor. Multiple linear regressions analysis also showed that, rainfall had significantly (p<0.001) correlated at the same time with positive malaria cases by stepwise regression. Conclusion: From this finding, malaria transmission was not seasonal. Rainfall has association with malaria cases and may effect on the same or next month malaria cases occurrence. Rainfall seems best malaria predictor, since strongly correlated with malaria cases.
Keywords: Rain; Relationship; Malaria
Citation: Brhanie TW (2016) Model for Rainfall and Malaria Cases in Yilmana Densa District, North West Ethiopia. Epidemiology (Sunnyvale) 6:262. Doi: 10.4172/2161-1165.1000262
Copyright: © 2016 Brhanie TW. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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