Table 2.
Descriptive statistics of average annual malaria incidence and proximity of rivers to villages
| Average annual incidence (per 1000 population) during 1989–1999 | Distance to rivers from center of the village (meters) | ||||||||||
| District | No. of villages | Minimum | Maximum | Mean | S.E. | Minimum | Maximum | Mean | S.E. | γ (Spearman) | p-value |
| All villages | 156 | 0 | 97.7 | 28.5 | 1.9 | 1.4 | 7392.8 | 1407.1 | 139.7 | -0.23 | 0.004 |
| Corozal | 30 | 1.4 | 82.9 | 23.0 | 2.7 | 38.6 | 7392.8 | 3532.5 | 383.7 | 0.04 | 0.85 |
| Orange Walk | 22 | 1.7 | 87.9 | 21.3 | 4.5 | 42.8 | 3865.8 | 1320.8 | 265.0 | 0.09 | 0.68 |
| Belize | 25 | 0.3 | 66.0 | 14.6 | 3.9 | 1.4 | 3408.4 | 965.8 | 208.7 | -0.36 | 0.08 |
| Cayo | 34 | 0.0 | 77.4 | 34.0 | 3.8 | 6.9 | 2500.3 | 469.0 | 95.5 | -0.07 | 0.71 |
| Stann Creek | 16 | 4.0 | 93.4 | 28.1 | 7.1 | 16.0 | 5368.6 | 1120.4 | 418.4 | -0.82 | 9.8E-5 |
| Toledo | 29 | 3.6 | 97.7 | 45.3 | 5.0 | 5.6 | 5901.2 | 912.1 | 258.5 | 0.08 | 0.68 |