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Table 5 Risk factors analysis for sub-microscopic Plasmodium falciparum carriage

From: Detection of a substantial number of sub-microscopic Plasmodium falciparum infections by polymerase chain reaction: a potential threat to malaria control and diagnosis in Ethiopia

   Univariate analysis Multivariate analysis
Covariates # positive (N) OR (95% CI) p-value OR (95% CI) p-value
Age group, years      
<5 5 (49) 1.00 - 1.00 -
6-15 29 (144) 2.21 (0.80-6.09) 0.122 1.58 (0.37-6.71) 0.530
16-25 16 (77) 2.30 (0.78-6.77) 0.128 0.89 (0.14-5.56) 0.906
26-35 20 (88) 2.58 (0.90-7.40) 0.076 2.04 (0.38-10.84) 0.399
>35 7 (42) 1.76 (0.51-6.02) 0.368 1.86 (0.30-11.46) 0.503
Sex      
Male 40 (178) 1.00 - 1.00 -
Female 37 (222) 0.69 (0.41-1.13) 0.145 1.29 (0.55-3.02) 0.553
Bed net use      
Yes 60 (249) 1.00 - 1.00 -
No 17 (151) 0.39 (0.22-0.71) 0.002 0.40 (0.22-.072) 0.003
Fever      
Yes ( 37.5) 1 (6) 0.83 (0.09-7.26) 0.872   
No (<37.5) 76 (394) 1.00 -   
Hb level (g/dl)      
Anaemic 5 (21) 1.00 - 1.00 -
Normal 27 (151) 0.69 (0.23-2.06) 0.515 1.09 (0.83-1.44) 0.503
  1. OR (Odds ratio), CI (Confidence interval), Hb (haemoglobin) level: Normal >12 g/dl, Anaemic <11.9 g/dl.