Table 5.

Association between insurance coverage implementation and periodontal health.

Classification	The Prevalence of Healthy Periodontal Tissues		The Prevalence of Need for Scaling		The Prevalence of Periodontal Diseases
	Crude	Adjusted	Crude	Adjusted	Crude	Adjusted
	OR 95% (CI)	OR 95% (CI)	OR 95% (CI)	OR 95% (CI)	OR 95% (CI)	OR 95% (CI)
Before	1.00	1.00	1.00	1.00	1.00	1.00
After	1.23 (1.16–1.32) ***	1.10 (1.03–1.17) **	0.80 (0.75–0.86) ***	0.90 (0.84–0.97) **	1.44 (1.34–1.54) ***	1.50 (1.40–1.62) ***

** p < 0.01, *** p < 0.001. The data were analyzed by a logistic regression. Adjusted for gender, age, region, household income, oral examination in the past year, tooth brushing frequency, smoking status.