Table 1 Age-dependency of malaria in the baseline and follow-up surveys

Infection by PCR ( baseline survey )*

0-4

788 [27.5]

1

<0.001

5-9

622 [47.9]

2.80 [2.17-3.62]

<0.001

10-15

413 [50.1]

3.26 [2.44-4.35]

0.005

16-25

409 [33.7]

1.52 [1.13-2.04]

0.721

26-35

328 [26.5]

0.94 [0.68-1.30]

0.007

36+

496 [20.6]

0.66 [0.49-0.89]

Infection by PCR ( follow - up survey )

0-4

824 [42.4]

1

<0.001

5-9

644 [68.8]

4.77 [3.52-6.47]

<0.001

10-15

359 [70.2]

5.58 [3.84-8.10]

<0.001

16-25

445 [52.8]

1.96 [1.41-2.73]

0.661

26-35

337 [44.8]

1.08 [0.75-1.56]

0.393

36+

637 [39.7]

0.87 [0.63-1.20]

AMA -1 seropositivity (baseline survey )

0-4

688 [21.7]

1

<0.001

5-9

517 [53.0]

5.13 [3.84-6.86]

<0.001

10-15

321 [64.2]

8.87 [6.29-12.50]

<0.001

16-25

354 [60.2]

7.60 [5.47-10.56]

<0.001

26-35

294 [51.0]

4.60 [3.29-6.42]

<0.001

36+

416 [50.5]

4.39 [3.24-5.96]

MSP-1 ₁₉ seropositivity (baseline survey)

0-4

698 [14.5]

1

0.111

5-9

568 [16.9]

1.31 [0.94-1.84]

<0.001

10-15

346 [30.6]

3.21 [2.24-4.59]

<0.001

16-25

361 [34.9]

3.90 [2.75-5.51]

<0.001

26-35

291 [38.5]

4.90 [3.39-7.07]

<0.001

36+

447 [40.3]

5.10 [3.66-7.10]