Table 4.
Results of the Wilcoxon Signed Rank Test comparing the bacterial contamination of the community latrine surfaces, during dirty conditions, to the household latrine surfaces (bolded if significant).
| Surface Type | Total Coliforms | E. coli | ||||
|---|---|---|---|---|---|---|
| Household Median (cfu/cm2) | Community Median (cfu/cm2) Before Cleaning | p-Value | Household Median (cfu/cm2) | Community Median (cfu/cm2) Before Cleaning | p-Value | |
| TS | 0.55 | 214.77 | <0.01 | 0.19 | 56.25 | <0.01 |
| AC | 1.39 | 1.90 | 0.67 | 0.38 | 0.30 | 0.67 |
| DH | 0 | 0.99 | 0.16 | 0 | 0.47 | 0.10 |
| W | 0.24 | 0.24 | 0.59 | 0.08 | 0.10 | 0.66 |
| F | 0.08 | NA | NA | 0.08 | NA | NA |
| SH | 0.03 | 1.46 | 0.10 | 0.01 | 0.09 | 0.10 |