Table 1 Descriptive characteristics of communities (at baseline) and children providing dried blood spots for serologic assessments (at 36 months)
Study arm | Biannual azithromycin | Annual azithromycin |
|---|---|---|
Community characteristics | ||
No. communities | 12 | 12 |
No. children/community, mean | 66 (range 36 to 124) | 72 (range 37 to 119) |
Proportion female, % (95% CI) | 49.0% (45.1 to 52.9) | 52.1% (49.3 to 54.8) |
Age, months (95% CI) | 18.7 (17.4 to 19.9) | 18.4 (17.3 to 19.4) |
Individual characteristics | ||
No. individuals | 531 | 460 |
Age, years | ||
1 | 113 (21%) | 99 (22%) |
2 | 105 (20%) | 87 (19%) |
3 | 89 (17%) | 84 (18%) |
4 | 113 (21%) | 86 (19%) |
5 | 111 (21%) | 104 (23%) |
Female gender | 275 (52%) | 231 (50%) |
P. falciparum infection | 291 (55%) | 256 (56%) |
Clinically symptomatic P. falciparum infection plus fever | 33 (6%) | 36 (8%) |
P. falciparum parasite density, median (IQR) | 60 (0 to 1340) | 100 (0 to 2960) |
P. falciparum parasite density among children with infection, median (IQR) | 1100 (240 to 5815) | 2320 (470 to 8030) |
Haemoglobin, g/dL, median (IQR) | 9.5 (8.4 to 10.4) | 9.4 (8.2 to 10.5) |
MSP-119 seroprevalence | 333 (63%) | 316 (69%) |