Risk factors | Definite DED (n) | P value | Adjusted OR (95% CI) |
---|---|---|---|
Age (years) |  | 0.001* | 1.018 (1.008–1.029) |
 18–25 | 107 |  |  |
 26–45 | 127 |  |  |
 > 45 | 258 |  |  |
Gender |  | 0.001* | 0.524 (0.364–0.755) |
 Male | 207 |  |  |
 Female | 285 |  |  |
VDT use (yes vs. No) | 208 | 0.231 | 1.040 (0.976–1.108) |
Smoking | 132 | 0.854 | 0.964 (0.652–1.426) |
Systemic disease | |||
 DM | 88 | 0.841 | 1.047 (0.669–1.637) |
 Hypertension | 108 | 0.433 | 1.190 (0.771–1.836) |