Table 2 Lifestyles and working factors between NIHL and control groups
Lifestyles | Total (n = 614) | NIHL (n = 307) | Control (n = 307) | χ2 | P |
|---|---|---|---|---|---|
Smoking, n (%) | |||||
 No | 325 (52.9) | 150 (24.4) | 175 (28.5) | 4.086 | 0.043 |
 Yes | 289 (47.1) | 157 (25.6) | 132 (21.5) |  | |
Drinking, n (%) | Â | Â | Â | 1.786 | 0.181 |
 No | 437 (71.2) | 211 (34.4) | 226 (36.8) |  | |
 Yes | 177 (28.8) | 96 (15.6) | 81 (13.2) |  |  |
Sleeping time, n (%) | Â | Â | Â | 2.975 | 0.226 |
 ~21:00 | 33 (5.4) | 17 (2.8) | 16 (2.6) |  |  |
 21:00~23:00 | 460 (74.9) | 238 (38.8) | 222 (36.2) |  | |
 23:00~ | 121 (19.7) | 52 (8.5) | 69 (11.2) |  |  |
Sleeping duration, n (%) | Â | Â | Â | 0.062 | 0.803 |
 ~8 h | 383 (62.4) | 190 (30.9) | 193 (31.4) |  |  |
 8 h~ | 231 (37.6) | 117 (19.1) | 114 (18.6) |  |  |
Video volume, n (%) | Â | Â | 7.453 | 0.006 | |
 Low | 149 (24.3) | 60 (9.8) | 89 (14.5) |  |  |
 High | 465 (75.7) | 247 (40.2) | 218 (35.5) |  | |
Fruits/vegetables, n (%) | Â | Â | 1.085 | 0.298 | |
 Adequate | 420 (68.4) | 204 (33.2) | 216 (35.2) |  | |
 Inadequate | 194 (31.6) | 103 (16.8) | 91 (14.8) |  |  |
Physical exercise, n (%) | Â | Â | Â | 6.745 | 0.009 |
 Never | 418 (68.1) | 224 (36.5) | 194 (31.6) |  | |
 Regular | 196 (31.9) | 83 (13.5) | 113 (18.4) |  | |
Life pressure, n (%) | Â | Â | Â | 2.051 | 0.152 |
 Low | 143 (23.3) | 64 (10.4) | 79 (12.9) |  |  |
 High | 471 (76.7) | 243 (39.6) | 228 (37.1) |  | |
Working pressure, n (%) | Â | Â | Â | 2.440 | 0.118 |
 Low | 113 (18.4) | 49 (8.0) | 64 (10.4) |  |  |
 High | 501 (81.6) | 258 (42.0) | 243 (39.6) |  | |
HPDs, n (%) | Â | Â | Â | 2.876 | 0.090 |
 No | 297 (48.4) | 138 (22.5) | 159 (25.9) |  | |
 Yes | 317 (51.6) | 169 (27.5) | 148 (24.1) |  | |