Table 5.
Monitor ergonomics/placement | Logistic regression for visual symptom | |||||
---|---|---|---|---|---|---|
tired eyes | itchy eyes | teary eyes | ||||
OR | 95% CI | OR | 95% CI | OR | 95% CI | |
Glare (from windows, lights) is not reflected on the screen | ||||||
yes | 1 | 1 | 1 | |||
no | 4.36*** | 2.27–8.45 | 2.71** | 1.46–5.03 | 2.10* | 1.17–3.67 |
The top of the screen is at or below the eye level so the user can read it without bending his/her head or neck down/back | ||||||
yes | 1 | 1 | 1 | |||
no | 1.84 | 0.79–4.3 | 2.87* | 1.29–6.39 | 1.51 | 0.77–2.95 |
Monitor position is directly in front of the user, so the user does not have to twist his/her head or neck | ||||||
yes | 1 | 1 | 1 | |||
no | 1.45 | 0.53–3.91 | 1.32 | 0.56–3.14 | 1.30 | 0.60–2.85 |
Monitor distance (generally arm length) allows the user to read without leaning his/her head, neck or trunk forward or backward | ||||||
yes | 1 | 1 | 1 | |||
no | 3.88** | 1.4–10.5 | 5.12*** | 2.28–8.68 | 2.37* | 1.05–5.37 |
p < 0.05;
p < 0.01;
p < 0.001.