Parameters

Positive samples

(95% CI)

OR (95% CI)

aOR (95% CI)

P value

Study year

2016

118

25 (20.9 - 29.9)

1

1

2017

135

32.6 (27.3 - 38.6)

1.5 (1.1 - 1.9)

1.49 (1.11 - 2.01

0.007

2018

80

21.1 (13.2 - 20.8)

0.8 (0.58 - 1.1)

0.84 (0.61 - 1.17)

0.31

2019

62

28.2 (20.6 - 36.1)

1.2 (0.82 - 1.68)

1.27 (0.88 - 1.84)

0.19

2020

34

28.8 (19.9 - 42.3)

1.2 (0.77 - 1.9)

1.31 (0.83 - 2.08)

0.24

Age group

<5 years

30

16.7 (11.2 - 23.8

1

1

[5 - 10[

354

28.1 (25.3 - 31.2)

1.95 (1.29 - 2.94)

1.91 (1.25 - 2.89)

0.002

≥10 years

45

27.4 (20 - 6.7)

1.89 (1.12 - 3.18)

1.92 (1.07 - 3.07)

0.026

Gender

Female

199

27.4 (27.3 - 31.5)

1

1

Male

230

26.3 (22.9 - 29.8)

0.94 (0.75 - 1.18)

0.98 (0.78 - 0.23)

0.87

Season

Dry

329

26.8 (24 - 29.9)

1

1

Rainy

100

26.5 (21.5 - 32.2)

0.98 (0.75 - 1.27)

0.97 (0.75 - 1.27)

0.85

Symptomatic

No

231

28.3 (24.8 - 32.2)

1

Yes

198

25.1 (21.7 - 28.8)

0.85 (0.68 - 1.06)

0.85 (0.68 - 1.08)

0.19