Table 2.
Comparison of characteristics of participants with and without symptomatic dry eye.
| Characteristics | Symptomatic dry eye (n, %) | P value | ||||||
| Without | With |
|
||||||
| Age (years) | <.001 | |||||||
|
|
15-20 | 231 (17.1) | 1652 (20.3) |
|
||||
|
|
21-30 | 566 (41.9) | 4046 (49.8) |
|
||||
|
|
31-40 | 230 (17) | 1112 (13.7) |
|
||||
|
|
41-50 | 134 (9.9) | 669 (8.2) |
|
||||
|
|
>50 | 190 (14.1) | 652 (8) |
|
||||
| Sex | <.001 | |||||||
|
|
Female | 945 (69.9) | 6726 (82.7) |
|
||||
|
|
Male | 406 (30.1) | 1405 (17.3) |
|
||||
| VDTa use (hours/day) | <.001 | |||||||
|
|
Less than 1 hour | 61 (4.5) | 217 (2.7) |
|
||||
|
|
1-4 hours | 199 (14.7) | 786 (9.7) |
|
||||
|
|
>4-6 hours | 392 (29) | 2040 (25.1) |
|
||||
|
|
>6-8 hours | 360 (26.7) | 2694 (29.4) |
|
||||
|
|
>8 hours | 339 (25.1) | 2694 (33.1) |
|
||||
| Educational level | <.001 | |||||||
|
|
Lower than bachelor’s degree | 237 (17.5) | 1594 (19.6) |
|
||||
|
|
Bachelor’s degree | 851 (63) | 5430 (66.8) |
|
||||
|
|
Higher than bachelor’s degree | 263 (19.5) | 1107 (13.6) |
|
||||
aVDT: visual display terminal.