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Table 5 Multivariate ordinal logistic regression analysis of the serological response to P . vivax antigens

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

  N P RE
L1 L2 L3 Total cOR (CI95%) aOR (CI95%) p-value
Gender
Male 742 51 52 44 147 1 1 0.0286
Female 1168 54 65 68 187 0.79 (0.62-1.00) 0.74 (0.58-0.94)
Educational level
Schooled 666 37 35 25 97 1 1 0.0168
Non Schooled 1244 68 82 87 237 1.41 (1.09-1.82) 1.44 (1.11-1.87)
Staying in a malaria endemic country more than one year
Yes 167 9 18 18 45 1 1 0.0042
No 1743 96 99 94 289 0.52 (0.37-0.75) 0.53 (0.37-0.76)
Having fever during the last month
Yes 435 25 29 36 90 1 1 0.0447
No 1475 80 88 76 244 0.75 (0.57-0.97) 0.74 (0.56-0.97)
Distance to rivers and lakes (Km)
> 1.5 Km 1210 66 65 60 191 1 1 0.0301
≤ 1.5 Km 700 39 52 52 143 1.39 (1.09-1.76) 1.35 (0.56-0.97)  
  1. N = number; P = seropositivity to P. vivax; L = level of intensity of immunological response (seropositivity to P. vivax antigens) measured in MFI with 3 levels: 1, 2, 3 corresponding respectively to 1000 ≤ MFI < 2000, 2000 ≤ MFI < 10000 and MFI ≥ 10000. The level L0 is not shown here as it’s corresponding to value of MFI < 1000 considered as negative reaction. RE = Random effect; cOR = Crude Odd ratio; aOR = Adjusted Odd ratio; CI95% = Confident interval 95%.