Table 2.
Association of total IgG and IgM with malaria incidence
| IgG | Crude IRR (95%CI) | P-value | IRR adjusted for age (95%CI) | P-value |
| MSP3 | 0.59 (0.45, 0.76) | < 0.0001 | 0.69 (0.53, 0.90) | 0.01 |
| MSP119 | 0.74 (0.63, 0.88) | < 0.0001 | 0.75 (0.61, 0.92) | 0.01 |
| GLURP | 0.68 (0.55, 0.82) | < 0.0001 | 0.79 (0.64, 0.98) | 0.04 |
| AMA1 | 0.96 (0.84, 1.09) | 0.50 | 1.03 (0.89, 1.20) | 0.67 |
| IgM: | ||||
| MSP3 | 0.62 (0.49, 0.80) | < 0.0001 | 0.76 (0.59, 0.97) | 0.03 |
| MSP1 | 0.59 (0.47, 0.75) | < 0.0001 | 0.68 (0.53, 0.88) | < 0.01 |
| GLURP | 0.71 (0.58, 0.87) | < 0.01 | 0.84 (0.68, 1.03) | 0.09 |
| AMA1 | 0.48 (0.34, 0.67) | < 0.0001 | 0.63 (0.44, 0.91) | 0.01 |
Malaria incidence rate ratios (IRR) with 95% confidence interval, corresponding to a doubling of baseline antibody level, before and after adjustment for the effect of age.