Table 2.
Excellent | Well | Middle | Insufficient | Very inadequate | |
Comfort no. (%) | 17 (1.9) | 138 (15.6) | 374 (42.4) | 256 (29) | 98 (11.1) |
Cleaning no. (%) | 65 (7.4) | 286 (32.4) | 346 (39.2) | 142 (16.1) | 43 (4.9) |
Noise level no. (%) | 32 (3.2) | 154 (17.4) | 310 (35) | 233 (26.3) | 156 (17.6) |