Table 6 Absolute increase, % (Wald test: Z-statistic, P-value), in prevalence (PI) and mean intensity of infection (II): Re-infections between different rounds of MDA
Infection | Y2 pre-MDA vs Y1 post-MDA | Y3 pre-MDA vs Y2 post-MDA | Y3 pre-MDA vs Y1 post-MDA |
|---|---|---|---|
STH combined | |||
PI (%) | 13.9 (Z = -19.40, P < 0.001) | 11.1 (Z = -20.80, P < 001) | 12.5 (Z = -19.58, P < 0.001) |
II (epg) | 616 (Z = 44.18, P < 0.001) | 504 (Z = 38.96, P < 001) | 524 (Z = 39.20, P < 0.001) |
Hookworms | |||
PI (%) | 3.8 (Z = -17.44, P < 0.001) | 2.3 (Z = -16.62, P < 0.001) | 2.8 (Z = -18.11, P < 0.001) |
II (epg) | 12 (Z = 9.32, P < 0.001) | 5 (Z = 5.87, P < 0.001) | 7 (Z = 8.13, P < 0.001) |
A. lumbrucoides | |||
PI (%) | 7.4 (Z = -19.63, P < 0.001) | 7.2 (Z = -19.18, P < 0.001) | 7.5 (Z = -19.19, P < 0.001) |
II (epg) | 590 (Z = 41.97, P < 0.001) | 493 (Z = 38.26, P < 0.001) | 507 (Z = 38.02, P < 0.001) |
T. trichiura | |||
PI (%) | 4.7 (Z = -13.60, P < 0.001) | 2.8 (Z = -17.36, P < 0.001) | 3.7 (Z = -15.20, P < 0.001) |
II (epg) | 13 (Z = 5.61, P < 0.001) | 6 (Z = 6.46, P < 0.001) | 10 (Z = 5.46, P < 0.001) |