Table 3. Impact of ivermectin treatment on geometric mean infection intensities (GMI) with A.lumbricoides and T.trichiura in 3,705 school-age children.
| No-Treatment | Ivermectin | Univariate analysis | Multivariate analysis | |||
| 1953 (52.7%) | 1752 (47.3%) | RR | p | RR* | p | |
| (95% CI) | (95% CI) | |||||
| STH infections | ||||||
| A. lumbricoides, GMI | 33.71 | 30.24 | 1.88 (1.04–3.37) | 0.036 | 1.51 (0.81–2.82) | 0.190 |
| T. trichiura, GMI | 132.09 | 3.91 | 0.28 (0.18–0.43) | <0.001 | 0.28 (0.11–0.70) | 0.007 |
GMI, geometric mean intensity.
Rate ratios (RR) were calculated using zero-inflated binomial regression models and adjusted for age, sex and ivermectin treatments.