Table 4.
Monthly prevalence of malaria infection
| Month | 6 months–5 years | 6–10 years | P-value* | > 10 years | P-value† | |||
|---|---|---|---|---|---|---|---|---|
| Negative, n | Positive, n (%) | Negative, n | Positive, n (%) | Negative, n | Positive, n (%) | |||
| October 2017 | 81 | 1 (0.2) | 100 | 10 (9.1) | 0.026 | 86 | 19 (18.1) | < 10−3 |
| November 2017 | 77 | 2 (2.5) | 106 | 4 (3.6) | 1.000 | 102 | 6 (5.5) | 0.471 |
| December 2017 | 76 | 3 (3.8) | 100 | 6 (5.6) | 0.735 | 105 | 6 (5.4) | 0.738 |
| January 2018 | 78 | 2 (2.5) | 100 | 6 (5.6) | 0.469 | 104 | 8 (7.1) | 0.198 |
| February 2018 | 76 | 3 (3.8) | 102 | 5 (4.6) | 1.000 | 100 | 13 (11.5) | 0.067 |
| March 2018 | 67 | 9 (11.8) | 99 | 8 (7.4) | 0.439 | 103 | 11 (9.6) | 0.637 |
| April 2018 | 70 | 3 (4.1) | 108 | 3 (2.7) | 0.683 | 109 | 3 (2.6) | 0.682 |
| Early May 2018 | 61 | 10 (14.0) | 99 | 11 (9.9) | 0.478 | 96 | 19 (16.5) | 0.836 |
| Late May 2018 | 69 | 3 (4.2) | 106 | 3 (2.7) | 0.683 | 110 | 6 (5.1) | 1.000 |
| June 2018 | 66 | 2 (2.9) | 109 | 0 | 0.146 | 112 | 4 (3.4) | 1.000 |
| July 2018 | 60 | 6 (9.1) | 99 | 8 (7.5) | 0.777 | 98 | 11 (10.1) | 1.000 |
| August 2018 | 59 | 5 (7.8) | 102 | 7 (6.4) | 0.762 | 98 | 13 (11.7) | 0.606 |
| September 2018 | 58 | 4 (6.4) | 98 | 8 (7.5) | 1.000 | 99 | 13 (11.6) | 0.424 |
| October 2018 | 59 | 3 (4.8) | 100 | 8 (7.4) | 0.748 | 106 | 7 (6.2) | 1.000 |
| November 2018 | 52 | 3 (5.4) | 103 | 5 (4.6) | 1.000 | 112 | 7 (5.9) | 1.000 |
| December 2018 | 51 | 3 (5.5) | 103 | 7 (6.4) | 1.000 | 107 | 12 (10.1) | 0.396 |
| Total | 1,060 | 62 (5.5) | 1,634 | 99 (5.7) | 0.868 | 1,647 | 158 (8.7) | 0.001 |
*
P-value = comparison of children aged 6 months–5 years with 6- to 10-year-old children.
†
P-value = comparison of children aged 6 months–5 years with children older than 10 years.