Official Journal of the Japan Wood Research Society
Subjective symptoms items | White plastic panel − black plastic panel | White plastic panel − wood panel | Black plastic panel − wood panel | |||
---|---|---|---|---|---|---|
Mean differences (s. d.) | P values | Mean differences (s. d.) | P values | Mean differences (s. d.) | P values | |
1. dry eyes | −0.27 (0.69) | * 0.043 | 0.77 (0.73) | ** 0.000 | 1.03 (0.72) | ** 0.000 |
2. eye pain | −0.57 (0.73) | ** 0.000 | 0.43 (0.63) | ** 0.001 | 1.00 (0.83) | ** 0.000 |
3. dizziness | −0.10 (0.80) | n. s. 0.501 | 0.27 (0.64) | * 0.030 | 0.37 (0.85) | * 0.025 |
4. eye fatigue | −0.37 (1.25) | n. s. 0.118 | 0.87 (0.82) | ** 0.000 | 1.23 (1.22) | ** 0.000 |
5. bleary eyes | −0.60 (0.93) | ** 0.001 | 0.70 (0.79) | ** 0.000 | 1.30 (0.99) | ** 0.000 |
6. blurriness | −0.60 (1.07) | ** 0.005 | 0.23 (0.43) | ** 0.006 | 0.83 (1.14) | ** 0.000 |
7. heaviness in head | −0.23 (0.94) | n. s. 0.182 | 0.20 (0.48) | * 0.031 | 0.43 (0.90) | * 0.013 |
8. sick feeling | −0.30 (0.54) | ** 0.005 | 0.17 (0.46) | n. s. 0.057 | 0.47 (0.68) | ** 0.001 |
9. headache | −0.20 (0.55) | n. s. 0.056 | 0.13 (0.43) | n. s. 0.103 | 0.33 (0.66) | * 0.010 |
10. grogginess | −0.40 (0.97) | * 0.031 | 0.13 (0.51) | n. s. 0.161 | 0.53 (0.97) | ** 0.005 |