Table 1 Characteristics of study population and subgroups
Overall (pooled data sample) | Stratified by survey | Stratified by sex | ||||
|---|---|---|---|---|---|---|
2010–2011 May–Jana | 2014 Sept–Deca | 2017–2018 Dec–March | Males | Females | ||
Sample size | 17,599 | 5926 | 6110 | 5563 | 8962 | 8637 |
Sex (%) | ||||||
Female | 8637 (49.1) | 2882 (48.6) | 3003 (49.1) | 2752 (49.5) | – | – |
Male | 8962 (50.9) | 3044 (51.4) | 3107 (50.9) | 2811 (50.5) | – | – |
Age [months] (%) | ||||||
6–12 | 1918 (10.9) | 651 (11) | 657 (10.8) | 610 (11) | 984 (11) | 934 (10.8) |
13–24 | 3750 (21.3) | 1301 (22) | 1297 (21.2) | 1152 (20.7) | 1945 (21.7) | 1805 (20.9) |
25–36 | 3942 (22.4) | 1328 (22.4) | 1404 (23) | 1210 (21.8) | 2032 (22.7) | 1910 (22.1) |
37–48 | 4091 (23.2) | 1363 (23) | 1402 (22.9) | 1326 (23.8) | 2020 (22.5) | 2071 (24) |
49–59 | 3898 (22.1) | 1283 (21.7) | 1350 (22.1) | 1265 (22.7) | 1981 (22.1) | 1917 (22.2) |
Malaria status (%) | ||||||
Negative | 6954 (39.5) | 1045 (17.6) | 1787 (29.2) | 4122 (74.1) | 3558 (39.7) | 3396 (39.3) |
Acute | 7740 (44) | 3861 (65.2) | 2913 (47.7) | 966 (17.4) | 3876 (43.2) | 3864 (44.7) |
Sub-microscopic | 2905 (16.5) | 1020 (17.2) | 1410 (23.1) | 475 (8.5) | 1528 (17) | 1377 (15.9) |
Anaemia | ||||||
Mean Hb (g/L) (SD) | 93 (17) | 90 (17) | 90 (17) | 99 (17) | 92 (17) | 94 (17) |
Anaemic | 14 639 (83.2) | 5229 (88.2) | 5291 (86.6) | 4119 (74) | 7576 (84.5) | 7063 (81.8) |
Not anaemic | 2960 (16.8) | 697 (11.8) | 819 (13.4) | 1444 (26) | 1386 (15.2) | 1574 (18.2) |
Mild | 7535 (42.8) | 2464 (41.6) | 2382 (39) | 2689 (48.3) | 3802 (42.4) | 3733 (43.2) |
Moderate | 5482 (31.1) | 2135 (36) | 2112 (34.6) | 1235 (22.2) | 2856 (31.9) | 2626 (30,4) |
Severe | 1622 (9.2) | 630 (10.6) | 797 (13.0) | 195 (3.5) | 918 (10.2) | 704 (8.2) |