Table 8: Cross tabulation of time of use of data display screens (DDS) and the angle of measurement performed. |
||||
Time (hours) |
Normal |
Hypolordosis |
Hyperlordosis |
Total |
Cervical angle, n (%) |
||||
6 |
1 (16.7) |
4 (66.7) |
1 (16.7) |
6 (100.0) |
7 |
3 (37.5) |
4 (50.0) |
1 (12.5) |
8 (100.0) |
8 |
0 (0) |
6 (75.0) |
2 (25.0) |
8 (100.0) |
9 |
3 (12.0) |
21 (84.0) |
1 (4.0) |
25 (100.0) |
10 |
2 (11.1) |
14 (77.8) |
2 (11.1) |
18 (100.0) |
Total |
9 (13.8) |
49 (75.4) |
7 (10.8) |
65 (100.0) |
Depth measurement, n (%) |
||||
6 |
2 (33.3) |
3 (50.0) |
1 (16.7) |
6 (100.0) |
7 |
3 (37.5) |
4 (50.0) |
1 (12.5) |
8 (100.0) |
8 |
2 (25.0) |
6 (75.0) |
0 (0) |
8 (100.0) |
9 |
4 (16.0) |
21 (84.0) |
0 (0) |
25 (100.0) |
10 |
8 (44.4) |
10 (55.6) |
0 (0) |
18 (100.0) |
Total |
19 (29.2) |
44 (67.7) |
2 (3.1) |
65 (100.0) |
Angle of the Atlas (C1), n (%) |
||||
|
Normal |
Extension |
Flexion |
|
6 |
0 (0) |
4 (66.7) |
2 (33.3) |
6 (100.0) |
7 |
1 (12.5) |
3 (37.5) |
4 (50.0) |
8 (100.0) |
8 |
0 (0) |
7 (87.5) |
1 (12.5) |
8 (100.0) |
9 |
3 (12.0) |
20 (80.0) |
2 (8.0) |
25 (100.0) |
10 |
1 (5.6) |
13 (72.2) |
4 (22.2) |
18 (100.0) |
Total |
5 (7.7) |
47 (72.3) |
13 (20.0) |
65 (100.0) |