Table 2.
Descriptive statistics of the Ocular Surface Disease Index-6 (OSDI-6) items
| Item abbreviations | Item content | Item, mean (SD) | Betweenness* | Closeness* | Strength* | Predictability* |
|---|---|---|---|---|---|---|
| OSDI1 |
Eyes that are sensitive to light |
0.83 (1.00) |
0.221 |
-0.175 |
-1.213 |
0.624 |
| OSDI2 |
Blurred vision |
0.81 (0.97) |
0.221 |
0.192 |
-0.562 |
0.657 |
| OSDI3 |
Driving at night |
0.54 (0.92) |
-1.107 |
-0.163 |
-0.524 |
0.646 |
| OSDI4 |
Watching TV (or similar tasks) |
0.62 (0.94) |
1.550 |
1.840 |
1.652 |
0.726 |
| OSDI5 |
Windy conditions |
0.74 (0.98) |
0.221 |
-0.636 |
0.324 |
0.709 |
| OSDI6 | Places or areas with low humidity | 0.75 (0.97) | -1.107 | -1.057 | 0.323 | 0.714 |
OSDI – ocular surface disease index, SD – standard deviation
*The values are raw data from the network.