Problems | n (%) | |
---|---|---|
Headache | Never | 73 (31.6) |
Rarely | 77 (33.8) | |
Sometimes | 51 (22.4) | |
Frequently | 20 (8.8) | |
Always | 8 (3.5) | |
Earache | Never | 144 (63.2) |
Rarely | 45 (19.7) | |
Sometimes | 24 (10.5) | |
Frequently | 10 (4.4) | |
Always | 5 (2.2) | |
Eye fatigue | Never | 43 (18.9) |
Rarely | 45 (19.7) | |
Sometimes | 73 (32.0) | |
Frequently | 39 (17.1) | |
Always | 28 (12.3) | |
Fatigue | Never | 38 (16.7) |
Rarely | 50 (21.9) | |
Sometimes | 72 (31.6) | |
Frequently | 47 (20.6) | |
Always | 21 (9.2) | |
Anxiety | Never | 86 (37.7) |
Rarely | 62 (37.2) | |
Sometimes | 42 (18.4) | |
Frequently | 28 (12.3) | |
Always | 10 (4.4) | |
Loss of focus | Never | 95 (41.7) |
Rarely | 48 (21.1) | |
Sometimes | 41 (18.0) | |
Frequently | 32 (14.0) | |
Always | 12 (5.3) | |
Sleep disorder | Never | 92 (40.4) |
Rarely | 67 (29.4) | |
Sometimes | 38 (16.7) | |
Frequently | 21 (9.2) | |
Always | 10 (4.4) | |
Back and neck pain | Never | 96 (42.1) |
Rarely | 50 (21.9) | |
Sometimes | 39 (17.1) | |
Frequently | 30 (13.2) | |
Always | 13 (5.7) |