Table 4.
Odds ratios (and 95% CIs) from mixed-effects logistic regression models for each outcome (seroconversions and seroreversions) on each antibody (AMA-1 and MSP-1)
| Outcome | ||
|---|---|---|
| Parameter | Seroconversion | Seroreversion |
| OR (95% CI) | OR (95% CI) | |
| AMA-1 | ||
| Year (2013 vs 2012) | 3.56 (2.06, 6.15) | 0.31 (0.19, 0.53) |
| Age (≤20) | 0.99 (0.95, 1.04) | 1.06 (1.02, 1.10) |
| Age (>20) | 1.04 (0.97, 1.11) | 0.95 (0.90, 1.01) |
| Malaria in current year | 1.34 (0.70, 2.54) | 0.73 (0.28, 1.91) |
| Malaria in previous year | 2.07 (0.94, 4.56) | 0.51 (0.15, 1.71) |
| MSP-1 seropositive in current year | 2.79 (1.64, 4.76) | 0.31 (0.16, 0.58) |
| MSP-1 seropositive in previous year | 0.25 (0.13, 0.50) | 2.01 (1.15, 3.51) |
| MSP-1 | ||
| Year (2013 vs 2012) | 2.84 (1.89, 4.25) | 0.43 (0.26, 0.79) |
| Age (≤20) | 0.93 (0.89, 0.97) | 1.00 (0.96, 1.05) |
| Age (>20) | 1.08 (1.02, 1.16) | 1.01 (0.95, 1.08) |
| Malaria in current year | 2.70 (1.65, 4.42) | 0.98 (0.45, 2.09) |
| Malaria in previous year | 0.37 (0.15, 0.95) | 1.95 (0.89, 4.25) |
| AMA-1 seropositive in current year | 3.93 (2.26, 6.81) | 0.39 (0.21, 0.71) |
| AMA-1 seropositive in previous year | 0.50 (0.28, 0.90) | 2.58 (1.39, 4.81) |
Italicized cells indicate statistical significance