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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.