Table 1 Participants characteristics by study site
Sample characteristics | Total (n = 9724) | Mfangano (n = 6286) | Ungoye (n = 3438) |
|---|---|---|---|
Year | |||
2012 | 2424 | 1443 | 981 |
2013 | 1013 | 440 | 573 |
2014 | 1543 | 674 | 869 |
2015 | 1532 | 1398 | 134 |
2017 | 1723 | 1090 | 633 |
2018 | 1489 | 1241 | 248 |
Mean age in years (SD) | 8.2 (3.7) | 8.4 (3.7) | 7.7 (3.8) |
Age group n (%) in years | |||
< 5 | 1903 (19.6) | 1095(17.4) | 808 (23.5) |
5–10 | 4715 (48.5) | 3093 (49.2) | 1622 (47.2) |
11–15 | 3106 (33.2) | 2098 (33.4) | 1008 (29.3) |
Sex = Male n (%) | 4770 (49.1) | 3082 (49.0) | 1688 (49.1) |
Haemoglobina levels n (%) | |||
Normal | 6984 (72.7) | 4682 (75.0) | 2302 (68.6) |
Mild anaemia | 1159 (12.1) | 683 (10.9) | 476 (14.2) |
Moderate anaemia | 1333 (13.9) | 793 (12.7) | 540 (16.1) |
Severe anaemia | 126 (1.3) | 88 (1.4) | 38 (1.0) |
Auxiliary temperatureb = fever prevalence n/N (%) | 1313/9679 (13.6) | 804/6263 (12.8) | 509/3416 (14.9) |
Splenomegalyc prevalence n/N (%) | 3188/7004 (45.5) | 1645/4400 (37.4) | 1543/2604 (59.2) |