Table 2.
Modeling the prevalence of Schistosoma mansoni infections controlling for gender, age, and the risk status of the mapping unit, that is, proximity to perennial water body
| POC-CCA trace negative | POC-CCA trace positive | ||||||
|---|---|---|---|---|---|---|---|
| 19,317 pupils, 388 schools | 19,317 pupils, 388 schools | ||||||
| All POC-CCA mapping schools | R2 marginal = 0.022, R2 conditional = 0.434 | R2 marginal = 0.001, R2 conditional = 0.262 | |||||
| Fixed effects | Levels | Parameter | Adjusted odds ratio | P-value | Parameter | Adjusted odds ratio | P-value |
| Intercept | −3.44 (0.18) | 0.03 (0.02, 0.05) | < 0.001 | −0.69 (0.12) | 0.5 (0.4, 0.63) | < 0.001 | |
| Gender | F | – | – | – | – | – | – |
| M | 0.31 (0.06) | 1.36 (1.21, 1.53) | < 0.001 | 0.08 (0.033) | 1.09 (1.02, 1.16) | 0.013 | |
| Age.s | 0.04 (0.035) | 1.04 (0.97, 1.12) | 0.246 | −0.03 (0.02) | 0.97 (0.94, 1.01) | 0.14 | |
| Age.s2 | −0.05 (0.022) | 0.95 (0.91, 0.99) | 0.024 | −0.01 (0.01) | 0.99 (0.97, 1.01) | 0.439 | |
| Risk | High risk | – | – | – | – | – | – |
| Low risk | −0.7 (0.32) | 0.5 (0.26, 0.94) | 0.031 | −0.11 (0.22) | 0.90 (0.59, 1.38) | 0.6247 | |
| Random effects | |||||||
| Variance | SD | Variance | SD | ||||
| Mapping unit (intercept) | 0.43 | 0.66 | 0.21 | 0.46 | – | ||
| School (intercept) | 2 | 1.4 | 0.95 | 0.98 | – | ||
POC-CCA = point-of-care circulating cathodic antigen.