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Table 3 Risk factors towards Dengue Fever cases and controls, Diredawa city, October 2015

From: Factors associated with dengue fever outbreak in Dire Dawa administration city, October, 2015, Ethiopia - case control study

Characteristics Cases n = 70 Controls n = 140 Total n = 210 P-Value COR (95% CI)
Infected Previously
 Yes 2 (2.9%) 6 (4.3%) 8 (3.8%)   
 No 68 (97.1%) 134 (95.7%) 202 (96.2%) 0.613 1.522 (0.299–7.744)
Availability of LLINs
 Yes 14 (20%) 53 (37.9%) 67 (32.0%)   
 No 56 (80%) 87 (62.1%) 143 (68.1%) 0.010 2.437 (1.237–4.800)
Utilization of LLINs
 Yes 7 (10%) 33 (23.6%) 40 (19.0%)   
 No 63 (90%) 107 (76.4%) 170 (81.0%) 0.022 2.776 (1.159–6.645)
Water Holding Container
 Yes 56 (80%) 131 (93.6%) 187 (89.0%)   
 No 14 (20%) 9 (6.4%) 23 (11.0%) 0.005 3.639 (1.488–8.896)
Stagnant water in the village
 Yes 13 (18.6%) 9 (6.4%) 22 (10.5%)   
 No 57 (81.4%) 131 (93.6%) 188 (89.5%) 0.009 0.301 (0.122–0.745)
close contact in the last 2 weeks
 Yes 40 (57.1%) 27 (19.3%) 67 (31.9%)   
 No 30 (42.9%) 113 (80.7%) 143 (68.1%) 0.000 0.179 (0.095–0.337)
Remained at home in the morning from 8 to 10 am
 Yes 27 (38.6%) 46 (32.9%) 73 (34.8%)   
 No 43 (61.4%) 94 (67.1%) 137 (65.2%) 0.413 0.779 (0.429–1.415)
Remained at home in the afternoon 4–6 pm
 Yes 25 (35.7%) 49 (35%) 74 (35.2%)   
 No 45 (64.3%) 91 (65%) 136 (64.8%) 0.919 0.969 (0.532–1.766)
Use of mosquito repellant in the House
 Yes 12 (17.1%) 22 (15.7%) 34 (16.2%)   
 No 58 (82.9%) 118 (84.3%) 176 (83.8%) 0.791 0.901 (0.417–1.947)
Use of mosquito repellant in the skin
 Yes 0 (0%) 4 (2.9%) 4 (1.9%)   
 No 70 (100%) 136 (97.1%) 206 (98.1%) 0.304  
Type of cloths
 Short sleeves 56 (80%) 112 (80%) 168 (80%)   
 Long Sleeves 14 (20%) 28 (20%) 42 (20%) 1.000 1.000 (0.488–2.049)