. 2019 Sep 10;9:12969. doi: 10.1038/s41598-019-49505-2

Table 2.

Multivariable association between regular walking and periodontitis.

Regular walking	Model 1	Model 2	Model 3	Model 4
Yes, OR (95% CI)	0.762 (0.678–0.857)	0.759 (0.674–0.855)	0.787 (0.695–0.892)	0.793 (0.699–0.898)
No	Reference	Reference	Reference	Reference

Regular walking

Model 1

Model 2

Model 3

Model 4

N = 8,896

N = 8,846

N = 8,043

N = 8,042

Yes, OR (95% CI)

0.762

(0.678–0.857)

0.759

(0.674–0.855)

0.787

(0.695–0.892)

0.793

(0.699–0.898)

Reference

Response variable: Periodontitis.

Explanatory variable: Regular walking.

Model 1 was adjusted for age and gender.

Model 2 was adjusted for age, gender, individual income, and level of education.

Model 3 was adjusted for age, gender, individual income, level of education, smoking, and diabetes mellitus.

Model 4 was adjusted for age, gender, individual income, level of education, smoking, diabetes mellitus, dental flossing, and interdental brushing.

Bold denotes statistical significance at P < 0.05. OR means odds ratio. CI means confidence interval.