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Table 3 Results of the univariable and mulultivariable logistic regression analysis to assess risk factors associated with imported malaria in Cabo Verde

From: Updates on malaria epidemiology and profile in Cabo Verde from 2010 to 2019: the goal of elimination

  Univariable analysis Multivariable analysis
OR 95% CI P-value AOR 95% CI P-value
Epidemic period
 Pre-epidemic 1.0 1.0
 Epidemic year 0.0 0.0–0.1 < 0.001 0.1 0.0–0.2 < 0.001
 Post-epidemic 9.7 3.4–27.4 < 0.001 56.1 13.9–225.5 < 0.001
 Year 0.7 − 0.7–0.8 < 0.001 0.8 0.7–0.9 < 0.001
Island
 Boavista 1.0 1.0
 Santiago 0.0 0.1–0.8 0.010 23.9 4.4–130.8 < 0.001
 Sao Vicente 29.7 3.3–263.7 0.002 4256.9 260–6.96e+4 < 0.001
 Other 1.4e+7 0-inf* 0.967 2.5e+8 0-inf 0.972
 Gender (M vs F) 1.8 1.3–2.6 0.002  
Age category    
 < 15 years 1.0   1.0
 15–24 2.4 1.1–4.9 0.0 4.3 1.5–12.5 0.007
 25–40 6.9 3.7–13.2 < 0.001 15.1 5.9–39.2 < 0.001
 > 40 4.7 2.4–8.9 < 0.001 1.01 3.9–26.2 < 0.001
log10 (pop size) 0.02 0.01–0.05 < 0.001 0.34 0.2–0.7 0.001
  1. The odds ratios (OR) and adjusted odds ratios (AOR) are presented, respectively, with the corresponding 95% Confidence Intervals (CI) and P-value
  2. * inf mean that the upper bounds of the confidence intervals extend to infinity, or not defined due to the low number of imported infections reported in these settings