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Table 2 Factors influencing the parasitaemia levels

From: Burden of malaria infection among individuals of varied blood groups in Kenya

  Total Parasitaemia l evels P value ORc (95% CI) P Value
High Moderate Low
N 312 21 (6%) 108 (35%) 183 (59%)    
Malaria Zones Endemic 20(8%) 96 (9%) 133 (53%)   7.64 (1.58–36.95) 0.012 c
Epidemic 1 (2%) 10 (25%) 29 (73%)   1.32 (0.20–8.72) 0.774c
Seasonal 0 (0%) 2 (9%) 21 (91%) 0.002 b 1 (Ref)  
Age Groups < 5 Years 14 (9%) 72(48%) 65(43%)   2.752 (1.21–6.28) 0.016 c
> 5 Years 7(4%) 43(27%) 111(69%) 0.0006 a 1 (Ref)  
ABO Blood Group A+ 6 (7%) 29 (33%) 52 (60%)   1.25 (0.27–5.79) 0.717c
AB+ 3 (20%) 2 (13%) 10 (67%)   1.19 (0.46–3.12) 0.289c
B+ 9 (14%) 24 (36%) 33 (50%)   4.47 (1.53–13.05) 0.006 c
O+ 3 (2%) 53 (37%) 88 (61%) 0.011 a 1 (Ref)  
  1. CI confidence interval, OR odds ratio, Ref reference, N Number of Participants. Bold text indicates a statistically significant difference with a P-value < 0.05. Groups’ proportions were compared using aPearson’s Chi-square, bFisher exact tests and cMultivariate logistic regression. cOR obtained in multivariate logistic regression adjusting for all factors in the table