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Table 1 Univariate analysis for the association between potential risk factors and DENV infection among residents of Kassala State, Sudan, using chi-square test (χ2)

From: Recent transmission of dengue virus and associated risk Facors among residents of Kassala state, eastern Sudan

Risk factorsCases testedCases affected (%)dfχ2p-value
Locality  1019.370.044
 Kassala1058 (7.6%)   
 R. Kassala8411 (13.1%)   
 W. Kassala7012 (17.1%)   
 New Halfa837 (8.4%)   
 Atbara River709 (12.9%)   
 Hamashkorieb536 (11.3%)   
 Elgirba497 (14.3%)   
 Delta North501 (2.0%)   
 R. Aroma22(00.0%)   
 Talkuk617 (11.5%)   
 Wad Elheiliew5412 (22.2%)   
Age  117.060.001
 young30918 (5.87%)   
 Old39262 (15.8%)   
gender  11.160.281
 female32032 (10.6%)   
 male38148 (12.6%)   
Education  41.130.897
 illiterate17719 (10.7%)   
 primary23330 (12.9%)   
 secondary14614 (9.6%)   
 university9211 (12.%)   
 informal study536 (11.3%)   
Income  23.980.136
 low44056 (12.7%)   
 medium14617 (11.6%)   
 high1157 (6.1)   
Work  10.050.809
 unemployed29833 (11.1%)   
 employed40347 (11.7%)   
Disease awareness  13.380.06
 no64575 (12.3%)   
 yes565 (5.6%)   
Mosquito net use  16.160.013
 no34243 (12.3%)   
 yes35937 (10.6%)   
Mosquito control  112.380.001
 No313126 (40.3%)   
 yes388205 (53.6%)