Table 1.
Bivariate analysis of the relationship between malaria and covariates (sex, age, period, and climate season).
| Covariates | Cases | Incidence density(1) | Confidence Interval 95% | Log-Likelihood ratio test | p-value | |
| Sex | ||||||
| Male | 323 | 6.1 | 5.5 | 6.8 | 0.25 | 0.6188 |
| Female | 294 | 5.9 | 5.3 | 6.6 | ||
| Age | ||||||
| Less than 1 year | 259 | 6.7 | 5.9 | 7.5 | 25.16 | < 0.001 |
| From 2 to 5 years | 287 | 6.7 | 6.0 | 7.5 | ||
| Greater than 5 years | 80 | 3.8 | 3.0 | 4.7 | ||
| Period | ||||||
| First (Dec 96 – Oct 97) | 121 | 4.8 | 4.0 | 5.8 | 73.74 | < 0.001 |
| Second (Nov 97 – Oct 98) | 173 | 4.2 | 3.6 | 4.9 | ||
| Third (Nov 98 – July 99) | 324 | 8.9 | 7.9 | 9.9 | ||
| Climate Season | ||||||
| Dry (May-Oct) | 199 | 3.9 | 3.4 | 4.5 | 73.71 | < 0.001 |
| Wet (Nov-Apr) | 419 | 8.1 | 7.4 | 9.0 | ||
(1) per 1000 children at risk per week