Table 3.
Comparison of environmental characteristic of index case houses.
| Factor | Index case group | P value | |
|---|---|---|---|
| With secondary cases (group 1) (%) | Without secondary cases (group 2) (%) | ||
| House type | 0.36 | ||
| Terraced | 14 (70.0) | 70 (58.3) | |
| Townhouse | 0 (0.0) | 4 (3.3) | |
| Single house | 3 (15.0) | 22 (18.3) | |
| Slum house | 3 (15.0) | 20 (16.7) | |
| Apartment | 0 (0.0) | 4 (3.3) | |
| Construction material | 0.05 | ||
| Concrete only | 7 (35.0) | 68 (56.7) | |
| Concrete and wood | 7 (35.0) | 33 (27.5) | |
| Wood only | 3 (15.0) | 13 (10.8) | |
| Corrugated iron sheet | 3 (15.0) | 6 (5.0) | |
| Window screens present | 0.005 | ||
| No | 17 (85.0) | 63 (52.5) | |
| Yes | 3 (15.0) | 57 (47.5) | |
| Garbage piles around house | 0.71 | ||
| No | 18 (90.0) | 111 (92.5) | |
| Yes | 2 (10.0) | 9 (7.5) | |
| Piped water | |||
| No | 3 (15.0) | 13 (10.8) | 0.59 |
| Yes (noncontinuous flow) | 2 (10.0) | 11 (9.2) | |
| Yes (continuous flow) | 15 (75.0) | 96 (80.0) | |