Table 4.
Logistic regression analysis of prevalence using CCA trace negative and CCA trace positive, respectively, with subzones analyzed as fixed effects
| All CCA mapping schools | CCA trace negative | CCA trace positive | |||||
|---|---|---|---|---|---|---|---|
| Analysis by subzone | 17,172 pupils; 344 schools | 17,172 pupils; 344 schools | |||||
| R2marginal= 0.107/R2conditional = 0.389 | R2marginal = 0.062/R2conditional = 0.256 | ||||||
| Parameter | Adjusted odds ratio | Parameter | Adjusted odds ratio | ||||
| Fixed effects | Category | (SE) | (95% CI) | P | (SE) | (95% CI) | P |
| (Intercept) | −3.81 (0.24) | 0.02 (0.01, 0.04) | < 0.001 | −0.8 (0.16) | 0.45 (0.33, 0.61) | < 0.001 | |
| Zone | Plateau | ||||||
| E-high | 1.33 (0.56) | 3.79 (1.26, 11.39) | 0.018 | 0.71 (0.4) | 2.02 (0.92, 4.43) | 0.078 | |
| E-low | 0.5 (0.41) | 1.64 (0.74, 3.68) | 0.226 | 0.35 (0.28) | 1.42 (0.82, 2.45) | 0.211 | |
| NE-high | −0.43 (0.82) | 0.65 (0.13, 3.24) | 0.601 | −0.79 (0.53) | 0.45 (0.16, 1.28) | 0.137 | |
| NE-low | 1.05 (0.32) | 2.86 (1.54, 5.31) | 0.001 | 0.66 (0.22) | 1.94 (1.27, 2.96) | 0.002 | |
| NW-high | 1.79 (0.27) | 5.98 (3.49, 10.24) | < 0.001 | 0.86 (0.19) | 2.37 (1.64, 3.41) | < 0.001 | |
| NW-low | 0.79 (0.38) | 2.2 (1.04, 4.66) | 0.039 | 0.33 (0.26) | 1.39 (0.83, 2.32) | 0.213 | |
| SW-high | 1.6 (0.28) | 4.96 (2.86, 8.61) | < 0.001 | 0.42 (0.19) | 1.53 (1.05, 2.22) | 0.027 | |
| SW-low | −0.15 (0.38) | 0.86 (0.41, 1.79) | 0.688 | −0.99 (0.25) | 0.37 (0.23, 0.61) | < 0.001 | |
| Age | −0.04 (0.03) | 0.96 (0.91, 1.02) | 0.213 | −0.02 (0.021) | 0.98 (0.94, 1.02) | 0.267 | |
| Age2 | −0.04 (0.02) | 0.96 (0.92, 1) | 0.03 | −0.05 (0.014) | 0.96 (0.93, 0.98) | 0.001 | |
| Sex | F | ||||||
| M | 0.48 (0.05) | 1.62 (1.47, 1.79) | < 0.001 | 0.16 (0.034) | 1.17 (1.1, 1.25) | < 0.001 | |
| Random effects | Variance | SD | Variance | SD | |||
| School (intercept) | 1.52 | 1.23 | 0.86 | 0.93 | |||
CCA = circulating cathodic antigen point-of-care urine cassette assay; CI = confidence interval; E = east; F = female; M = male; NE = northeast; NW = northwest; SD = standard deviation; SE = standard error of the mean; SW = southwest.