Table 1 Characteristics of the survey population in three districts
From: Submicroscopic malaria infection is not associated with fever in cross-sectional studies in Malawi
Characteristic | Number of Participants (Column  %) | Blantyre | Chikhwawa | Thyolo |
|---|---|---|---|---|
Number | 16650 | 5333 | 5830 | 5487 |
Female N (%) | 10076 (60.5) | 3337 (63.6) | 3355 (57.6) | 3384 (61.7) |
Age, Median (IQR) | 16650 (100) | 13 (6–27) | 12 (6–28) | 13 (6–30) |
Age group N (% of district) | ||||
 6 months–5 years | 3893 (23.4) | 1230 (23.1) | 1455 (25.0) | 1208 (22.0) |
 6–15 years | 5432 (32.6) | 1648 (30.9) | 1962 (33.7) | 1822 (33.2) |
 16 years and older | 7325 (44.0) | 2455 (46.0) | 2413 (41.3) | 2457 (44.8) |
Season N (% of district) | ||||
 Dry season | 8657 (52.0) | 2748 (51.5) | 3033 (52.0) | 2876 (52.4) |
 Rainy season | 7993 (48.0) | 2585 (48.5) | 2797 (48.0) | 2611(47.6) |
SES quartilea N (% of district) | ||||
 Lowest | 3881 (23.6) | 174 (3.3) | 1983 (34.5) | 1724 (31.9) |
 Low | 4015 (24.4) | 666 (12.6) | 1847 (32.1) | 1502 (27.8) |
 Medium | 4257 (25.9) | 1321 (25.0) | 1472 (25.6) | 1464 (27.1) |
 High | 4298 (26.1) | 3123 (59.1) | 455 (7.9) | 720 (13.3) |