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Official Journal of the Japan Wood Research Society

Journal of Wood Science Cover Image

Table 3 P values by paired t test of each subjective symptom item shown in Fig. 6

From: Reducing eye fatigue through the use of wood

Subjective symptoms items White plastic panel Black plastic panel Wood panel
1. dry eyes 0.000 0.000 0.255
2. eye pain 0.000 0.000 0.326
3. dizziness 0.026 0.012 0.326
4. eye fatigue 0.000 0.000 0.048
5. bleary eyes 0.000 0.000 0.712
6. blurriness 0.012 0.000 0.662
7. heaviness in head 0.023 0.016 0.573
8. sick feeling 0.161 0.001 0.083
9. headache 0.326 0.032 0.184
10. grogginess 0.326 0.011 0.161