|
Symptoms
|
Computer use time/week
| |
|---|
| |
< 3.6 hours
|
3.6 - 13.99 hours
|
≥ 14 hours
|
|---|
| |
n* OR**(95%Cl)
|
n OR (95%Cl)
|
n OR (95%Cl)
|
|---|
|
Neck or shoulder
| | | |
|
Level of inconvenience to everyday life
| | | |
|
Severe/moderate
|
27 1.0
|
40 1.3 (0.7-2.5)
|
31 1.1 (0.5-2.2)
|
|
Mild
|
29 1.0
|
50 1.3 (0.7-2.3)
|
39 1.1 (0.6-2.1)
|
|
Pain intensity
| | | |
|
Severe/moderate
|
17 1.0
|
42 2.6 (1.3-5.3)
|
35 2.9 (1.4-6.1)
|
|
Mild
|
26 1.0
|
44 1.6 (0.9-2.9)
|
41 1.9 (1.0-3.6)
|
|
Low back
| | | |
|
Level of inconvenience to everyday life
| | | |
|
Severe/moderate
|
15 1.0
|
26 1.5 (0.7-3.2)
|
34 2.5 (1.2-5.5)
|
|
Mild
|
18 1.0
|
39 1.8 (0.9-3.5)
|
33 2.1 (1.0-4.3)
|
|
Pain intensity
| | | |
|
Severe/moderate
|
9 1.0
|
19 1.6 (0.7-3.8)
|
32 3.5 (1.5-8.3)
|
|
Mild
|
14 1.0
|
37 2.4 (1.2-4.8)
|
34 3.1 (1.5-6.7)
|
|
Head
| | | |
|
Level of inconvenience to everyday life
| | | |
|
Severe/moderate
|
26 1.0
|
55 2.0 (1.0-3.8)
|
44 2.0 (1.0-4.1)
|
|
Mild
|
37 1.0
|
50 1.0 (0.6-1.9)
|
45 1.0 (0.5-1.9)
|
|
Pain intensity
| | | |
|
Severe/moderate
|
16 1.0
|
36 2.4 (1.2-4.8)
|
34 3.4 (1.6-7.2)
|
|
Mild
|
16 1.0
|
42 2.6 (1.3-5.0)
|
37 3.0 (1.5-6.3)
|
|
Eyes
| | | |
|
Level of inconvenience to everyday life
| | | |
|
Severe/moderate
|
12 1.0
|
16 1.1 (0.5-2.6)
|
21 1.9 (0.8-4.5)
|
|
Mild
|
12 1.0
|
27 1.6 (0.7-3.3)
|
30 2.2 (1.0-4.8)
|
|
Pain intensity
| | | |
|
Severe/moderate
|
11 1.0
|
22 1.8 (0.8-4.2)
|
25 3.3 (1.4-7.8)
|
|
Mild
|
16 1.0
|
38 2.0 (1.0-3.9)
|
44 3.6 (1.8-7.3)
|
|
Hands, fingers or wrists
| | | |
|
Level of inconvenience to everyday life
| | | |
|
Severe/moderate
|
7 1.0
|
10 1.5 (0.5-4.7)
|
14 2.7 (0.9-8.3)
|
|
Mild
|
15 1.0
|
31 1.4 (0.7-2.7)
|
24 1.2 (0.6-2.5)
|
|
Pain intensity
| | | |
|
Severe/moderate
|
4 1.0
|
12 2.3 (0.7-7.3)
|
15 4.4 (1.3-14.5)
|
|
Mild
|
18 1.0
|
21 0.9 (0.4-1.8)
|
27 1.7 (0.8-3.6)
|
- Multinominal logistic regression analysis, adjusted for grade and sex
- *n = Number of cases
- **The reference category (no pain/no inconvenience) is indicated by an odds ratio (OR) of 1.0. Odds ratios are given in bold when they indicate a statistically significant difference from the odds of the reference category at 95% confidence level (CI).
