Table 1.
Schistosoma mansoni prevalence in schools within the study villages showing response to praziquantel treatment following 4 years of mass drug administration
| School | Prevalence (%) year 1 (2011) | Prevalence (%) year 2 (2012) | Prevalence (%) year 3 (2013) | Prevalence (%) year 4 (2014) | Prevalence (%) year 5 (2015) | Absolute prevalence change (year 1 minus year 5 as %) |
|---|---|---|---|---|---|---|
| Persistent hotspot villages | ||||||
| Minya | 68.6 (n = 97) | 77 (n = 100) | 75 (n = 97) | 74 (n = 92) | 82 (n = 97) | +13.4 |
| Agok | 60.5 (n = 99) | 59.8 (n = 93) | 60.2 (n = 97) | 67 (n = 86) | 39 (n = 91) | −21.5 |
| Migiro | 69.4 (n = 100) | 76.7 (n = 94) | 49.2 (n = 87) | 72 (n = 87) | 48 (n = 88) | −21.4 |
| Miyandhe | 78.6 (n = 86) | 70.5 (n = 91) | 71.4 (n = 87) | 73.5 (n = 92) | 54 (n = 94) | −24.6 |
| Kanyibok | 91.8 (n = 100) | 93 (n = 96) | 83.7 (n = 98) | 84 (n = 94) | 83 (n = 100) | −8.8 |
| Usenge | 69.4 (n = 100) | 68 (n = 100) | 65 (n = 100) | 46.5 (n = 100) | 65 (n = 100) | −4.4 |
| Responding villages | ||||||
| Kotieno | 52.9 (n = 87) | 40.9 (n = 92) | 19 (n = 93) | 16 (n = 84) | 12 (n = 88) | −40.9 |
| Seka Dok | 81.6 (n = 100) | 73.2 (n = 97) | 55.8 (n = 91) | 48 (n = 90) | 19 (n = 96) | −62.6 |
| St. Douglas Weta | 55.2 (n = 100) | 27.4 (n = 94) | 24 (n = 93) | 19 (n = 87) | 19 (n = 91) | −36.2 |
| Mumbo | 57.7 (n = 77) | 30 (n = 74) | 11.5 (n = 78) | 15.6 (n = 79) | 5.5 (n = 77) | −52.5 |
Data acquired from and shown with permission of the SCORE project. Sample sizes shown in parentheses.