Table 1.

Point-based scoring system for assessing individual risk of dry eye disease using coefficients from a survey-weighted multiple logistic regression model.

Variables	Regression coefficient (beta)	Standard error	Pointsa
Women	.865	0.182	9
Corneal refractive surgery	.903	0.281	9
Current depression	.709	0.294	7
Eye surgery: cataract	.705	0.196	7
Perceived stress: much to extreme	.560	0.136	6
Other ocular surgeries	.646	0.258	6
Phosphorus intake <746 mg/day	.454	0.182	5
Age 54-66 years	.396	0.179	4
Rhinitis by physical examination	.384	0.144	4
Lipid-lowering medications	.408	0.194	4
Cholesterol intake ≥240 mg/day	−.145	0.151	−1
Current smoker	−.441	0.242	−4
Omega-3 intake, 0.43%-0.65% kcal/day	−.407	0.172	−4

^aCalculated by multiplying the coefficient of the variable by 10 and rounding to the nearest integer. A positive point means a positive predictor for dry eye disease. Dry eye disease is indicated when the sum of all points is 10 or higher.