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Table 2 Multivariable logistic regression analysis of malaria positivity in male and female donors

From: Automated measurement of malaria parasitaemia among asymptomatic blood donors in Malawi using the Sysmex XN-31 analyser: could such data be used to complement national malaria surveillance in real time?

 

Male donors

Female donors

OR

95% CI

p value

OR

95% CI

p value

Age

0.98

0.96–0.99

0.002

0.99

0.95–1.03

0.70

Location

 Urban

0.22

0.17–0.29

 < 0.001

0.35

0.15–0.81

0.02

Month

 January

1.51

1.03–2.22

0.035

1.06

0.42–2.67

0.90

 February

1.20

0.83–1.71

0.329

0.74

0.31–1.72

0.48

 March

1.69

1.15–2.48

0.007

0.87

0.33–2.26

0.77

 April

2.48

1.75–3.52

 < 0.001

1.56

0.63–3.90

0.34

  1. The reference group for location was non-urban and December for the month of collection
  2. OR odds ratio, CI confidence interval