Table 3.
Results of the Wilcoxon Signed Rank Test comparing the bacterial contamination of the community latrine surfaces, during the clean and dirty conditions (bolded if significant).
| Surface Type | Total Coliforms | E. coli | ||||
|---|---|---|---|---|---|---|
| Median (cfu/cm2) Before Cleaning | Median (cfu/cm2) After Cleaning | p-Value | Median (cfu/cm2) Before Cleaning | Median (cfu/cm2) After Cleaning | p-Value | |
| TS | 214.77 | 0 | <0.01 | 56.25 | 0.003 | <0.01 |
| AC | 1.90 | 0.02 | 0.01 | 0.30 | 0.01 | 0.01 |
| DH | 0.99 | 0.10 | 0.06 | 0.47 | 0.04 | 0.06 |
| W | 0.24 | 0 | 0.01 | 0.1 | 0 | 0.02 |
| SH | 1.46 | 0.24 | 0.25 | 0.09 | 0.01 | 0.25 |