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Table 1 Multivariate logistic regression analysis of P . falciparum infection’s seroprevalence

From: Plasmodium vivax and Plasmodium falciparum infections in the Republic of Djibouti: evaluation of their prevalence and potential determinants

  N P % (95%CI) RE
cOR (CI95%) aOR (CI95%) p-value
Gender
 Male 742 256 34.5 (31.1-38.0) 1 1 0.0008
 Female 1168 346 29.6 (27.0-32.3) 0.78 (0.63-0.96) 0.68 (0.55 - 0.85)  
Educational level
 No school 1244 448 36.0 (33.3-38.6) 1 1 0.033
 Primary 410 106 25.9 (21.7-30.4) 0.65 (0.50-0.84) 0.66(0.50 - 0.87) 1.6x10-5
 Secondary, high school or University 256 48 18.8 (14.2-24.1) 0.45 (0.32-0.64) 0.45 (0.31 - 0.64)  
Staying in a malaria endemic country more than one year
Yes 167 70 41.9 (34.3-49.8) 1 1 0.0005
No 1743 532 30.5 (28.4-32.7) 0.50 (0.35-0.72) 0.52 (0.36 - 0.75)  
Having fever during the last month
 Yes 435 175 40.2 (35.6-45.0) 1 1 0.0003
 No 1475 427 28.9 (26.8-31.5) 0.61 (0.47-0.78) 0.63 (0.49 - 0.81)  
Age (Years)
 [15–40] 1360 401 29.5 (27.1-32.0) 1 1 0.0346
 [40–55] 550 201 36.5 (32.5-40.7) 1.42 (1.14-1.77) 1.28 (1.02 - 1.61)  
Distance to rivers (Km)
 > 1.5 Km 1279 364 28.5 (26.0-31.0) 1 1 0.0671
 ≤ 1.5 Km 631 238 37.7 (33.9-41.6) 1.48 (0.99-2.21) 1.44 (0.97 - 2.14)  
  1. N = number; P = seropositivity to P. falciparum; RE = Random effect; cOR = Crude Odd ratio; aOR = Adjusted Odd ratio; CI95% = Confident interval 95%.