Reported advantages and disadvantages of both types of filter
| . | Ceramic filter (n = 20) . | Nerox filter (n = 210) . | Significance test . |
|---|---|---|---|
| Water is cleaner | 12 (60%) | 155 (73%) | χ2 = 1.7, P = 0.19 |
| Water tastes better | 4 (20%) | 125 (60%) | χ2 = 11.6, P < 0.001 |
| Water is more healthy | 17 (85%) | 139 (66%) | χ2 = 3.0, P = 0.09 |
| Takes too long to filter water | 16 (80%) | 164 (78%) | χ2 = 0.4, P = 0.83 |
| Filter is difficult to clean | 9 (45%) | 49 (23%) | χ2 = 4.5, P = 0.03 |
| Filter needs to be cleaned too often | 6 (30%) | 51 (24%) | χ2 = 0.3, P = 0.57 |
| Filter delivers not enough water | 6 (30%) | 71 (34%) | χ2 = 0.11, P = 0.73 |
| Bags are difficult to carry/heavy | – | 61 (29%) | |
| Water becomes too hot | – | 173 (82%) |
| . | Ceramic filter (n = 20) . | Nerox filter (n = 210) . | Significance test . |
|---|---|---|---|
| Water is cleaner | 12 (60%) | 155 (73%) | χ2 = 1.7, P = 0.19 |
| Water tastes better | 4 (20%) | 125 (60%) | χ2 = 11.6, P < 0.001 |
| Water is more healthy | 17 (85%) | 139 (66%) | χ2 = 3.0, P = 0.09 |
| Takes too long to filter water | 16 (80%) | 164 (78%) | χ2 = 0.4, P = 0.83 |
| Filter is difficult to clean | 9 (45%) | 49 (23%) | χ2 = 4.5, P = 0.03 |
| Filter needs to be cleaned too often | 6 (30%) | 51 (24%) | χ2 = 0.3, P = 0.57 |
| Filter delivers not enough water | 6 (30%) | 71 (34%) | χ2 = 0.11, P = 0.73 |
| Bags are difficult to carry/heavy | – | 61 (29%) | |
| Water becomes too hot | – | 173 (82%) |