Table 5. Risk factors for dry eye disease among the participants.

OR: odds ratio; CI: confidence interval. **means P < .01; * means .01 < P < .05

Parameter	Category	OR (95%CI)	P
Age	1-6 y	Reference
	7-12 y	2.79 (1.09-7.12)	0.032*
	12-18 y	3.20 (1.37-7.48)	0.007**
Use of daily medications	No	Reference	0.990
	Yes	1.01 (0.14-7.53)
Medical/surgical eye treatment	No	Reference	0.361
	Yes	2.95 (0.29-29.90)
Conjunctivitis	No	Reference	0.734
	Yes	1.49 (0.15-15.08)
Diagnosed with any eye diseases	No	Reference	0.653
	Yes	1.44 (0.30-6.94)
Prescribed eyeglasses	No	Reference	0.016*
	Yes	4.41 (1.32-14.72)
Dry eye while using electronic	No	Reference	0.016*
	Yes	6.74 (1.43-31.70)
Presence of allergies	No	Reference	0.109
	Yes	3.65 (0.75-17.76)
Use of any anti-allergic medication	No	Reference	0.481
	Yes	0.50 (0.07-3.42)
Time spent using the mobile	0-1h	Reference
	1-2h	0.50 (0.18-1.39)	0.187
	2-3h	1.02 (0.36-2.85)	0.975
	4h and more	0.82 (0.30-2.21)	0.691
Time spent watching TV	0-1h	Reference
	1-2h	1.99 (0.88-4.48)	0.096
	2-3h	0.45 (0.21-0.97)	0.043*
	4h and more	0.54 (0.20-1.43)	0.214