| Water availability | Response (%) | X2 | P-value | |
| Intervention | Non-intervention | |||
| Good | 64* | 22 | 20.510 | 0.000 |
| Moderate | 29 | 72* | 18.307 | 0.000 |
| Poor | 7 | 6 | 0.077 | 0.752 |
| n | 100 | 100 |
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