Table 1 Socio-demographic characteristics, malaria history and IgG levels in the study population
Characteristic | Uninfected | Asymptomatic malaria | Total | |||
|---|---|---|---|---|---|---|
N = 50 | n = 63 | n = 113 | ||||
n | % | n | % | n | % | |
Age | ||||||
< 5 | 4 | 8.0 | 3 | 4.8 | 7 | 6.2 |
5–15 | 16 | 32.0 | 17 | 27.0 | 33 | 29.2 |
> 15 | 30 | 60.0 | 43 | 68.3 | 73 | 64.6 |
Site | ||||||
California | 15 | 30.0 | 24 | 38.1 | 39 | 34.5 |
Tangareal | 19 | 38.0 | 31 | 49.2 | 50 | 44.2 |
Robles | 10 | 20.0 | 5 | 7.9 | 15 | 13.3 |
Candelillas | 6 | 12.0 | 3 | 4.8 | 9 | 8.0 |
Gender | ||||||
Male | 20 | 40.0 | 28 | 44.4 | 48 | 42.5 |
Female | 30 | 60.0 | 35 | 55.6 | 65 | 57.5 |
Episodes of malaria | ||||||
0 | 25 | 50.0 | 21 | 33.3 | 46 | 40.7 |
1 | 11 | 22.0 | 16 | 25.4 | 27 | 23.9 |
> 1 | 14 | 28.0 | 26 | 41.3 | 40 | 35.4 |
Malaria last year | ||||||
No | 38 | 76.0 | 42 | 66.7 | 80 | 70.8 |
Yes | 12 | 24.0 | 21 | 33.3 | 33 | 29.2 |
Education level | ||||||
High school or lower | 35 | 70.0 | 49 | 77.8 | 84 | 74.3 |
Undergraduate or graduate | 15 | 30.0 | 14 | 22.2 | 29 | 25.7 |
Occupation | ||||||
Housewife | 14 | 28.0 | 19 | 30.2 | 33 | 29.2 |
Farmer | 4 | 8.0 | 9 | 14.3 | 13 | 11.5 |
Student | 19 | 38.0 | 24 | 38.1 | 43 | 38.1 |
Others | 13 | 26.0 | 11 | 17.5 | 24 | 21.2 |
IgG levels (ΔODa) | Median (IQRb) | Median (IQR) | Median (IQR) |
|---|---|---|---|
An. (Nys.) darlingi | 0.332 (0.234–0.415) | 0.355 (0.287–0.430) | 0.352 (0.258–0.430) |
CTG | 0.139 (0.101–0.202) | 0.207 (0.143–0.285) | 0.172 (0.126–0.275) |
STE | 0.194 (0.148–0.303) | 0.248 (0.185–0.386) | 0.219 (0.168–0.324) |
gSG6-P1 | 0.170 (0.072–0.244) | 0.224 (0.169–0.291) | 0.203 (0.141–0.267) |