Table 3.
Water supply type, chlorination status and residence history in Tikur Anbessa Specialized Hospital, Addis Ababa, Ethiopia, 2021.
| Variable | Cases (n = 214) | Controls (n = 428) | Total | Pearson’s χ2 |
|---|---|---|---|---|
| n (%) | n (%) | n (%) | ||
| Piped water supply | ||||
| Private tap | 197 (92.1) | 314 (73.4) | 511 (79.6) | 0.001 |
| Public tap | 17 (7.9) | 114 (26.6) | 131 (20.4) | |
| Chlorination status | ||||
| Chlorinated surface water | 148 (69.2) | 161 (37.6) | 309 (48.1) | 0.001 |
| Non-chlorinated groundwater | 66 (30.8) | 267 (62.4) | 333 (51.9) | |
| Drinking of water (l/d) | ||||
| >1.5 | 114 (53.7) | 223 (52.1) | 337 (52.5) | 0.780 |
| <1.5 | 100 (46.7) | 205 (47.9) | 305 (47.5) | |
| Regular showering | ||||
| Yes | 207 (96.7) | 399 (93.2) | 606 (93.2) | 0.169 |
| No | 7 (3.3) | 29 (6.8) | 36 (6.7) | |
| Water used for shower | ||||
| Hot water | 86 (40.2) | 59 (13.8) | 145 (22.6) | 0.001 |
| Cold water | 128 (59.8) | 369 (86.2) | 497 (77.4) | |
| Swimming history | ||||
| Ever | 106 (49.5) | 134 (31.3) | 240 (37.4) | 0.001 |
| Never | 108 (50.5) | 294 (68.7) | 402 (62.6) | |
| Types of swimming | ||||
| Outdoor | 58 (37.9) | 95 (62.1) | 153 (63.7) | 0.567 |
| Indoor | 49 (56.3) | 38 (43.7) | 87 (36.3) | |
| Years at place of current residence | ||||
| ⩾40 | 116 (54.2) | 178 (41.6) | 294 (45.8) | 0.002 |
| <40 | 98 (45.8) | 250 (58.4) | 348 (54.2) | |