Association between dry eye and periodontal disease in community-dwelling Japanese adults: data from the Uonuma cohort study

Table 5 Multivariable logistic regression analysis for periodontal disease

Variables	Model 1^a	p value	Model 2^b	p value	Model 3^c	p value
Variables	Adjusted OR (95%CI)	p value	Adjusted OR (95%CI)	p value	Adjusted OR (95%CI)	p value
History of dry eye diagnosis
No	Ref		Ref		Ref
Yes	1.13 (1.04–1.23)	0.003	1.13 (1.03–1.23)	0.006	1.12 (1.03–1.22)	0.008
Feels dryness of eyes
Never	Ref		Ref		Ref
Sometimes	1.11 (0.99–1.24)	0.068	1.11 (0.98–1.24)	0.109	1.10 (0.98–1.23)	0.124
Always	1.05 (1.00–1.10)	0.049	1.04 (1.01–1.12)	0.043	1.05 (1.00–1.10)	0.048
Feels a foreign body in the eyes
Never	Ref		Ref		Ref
Sometimes	0.99 (0.94–1.04)	0.716	1.00 (0.95–1.05)	0.969	0.99 (0.95–1.05)	0.876
Always	1.28 (1.09–1.51)	0.003	1.26 (1.07–1.49)	0.007	1.26 (1.06–1.49)	0.007

CI: confidence interval; OR: odds ratio; Ref: reference
^aAdjusted for age, gender, BMI, and living status
^bFurther adjusted for smoking and drinking habits
^cFurther additional adjustment for the number of remaining teeth and bite availability on right and left molars or with dentures

ISSN: 1472-6831