Table 1.

Distribution of Periodontitis, Habits and Sociodemographic Factors by the Prevalence of OPMD

Factors / Categories	n	Without OPMD	With OPMD
Periodontal disease
No/Mild	464	98.5 (96.8-99.3)	1.5 (0.7-3.2)
Moderate/severe	405	90.9 (87.7-93.3)	9.1 (6.7-12.3)
Tobacco-chewing status
Never	663	98.9 (97.9-99.5)	1.1 (0.5-2.1)
Past	24	83.3 (64.6-93.2)	16.7 (6.8-35.4)
Current	186	82.3 (75.1-87.7)	17.7 (12.3-24.9)
Smoking status
Never	796	96.1 (94.5-97.2)	3.9 (2.8-5.5)
Past	31	80.6 (62.4-91.3)	19.4 (8.7-37.6)
Current	46	84.8 (68.6-93.4)	15.2 (6.6-31.4)
Alcohol use
No	652	97.2 (95.4-98.4)	2.8 (1.6-4.6)
Yes	221	88.2 (83.2-91.9)	11.8 (8.1-16.8)
Education level
Post-secondary	162	97.5 (92.9-99.2)	2.5 (0.8-7.1)
Secondary/less	710	94.4 (92.9-95.8)	5.6 (4.2-7.4)
Monthly per-capita income
High	423	94.1 (91.2-96.1)	5.9 (3.9-8.8)
Low-Middle	397	96.0 (93.5-97.5)	4.0 (2.5-6.5)
Age (years)
35-44	525	96.0 (94.1-97.3)	4.0 (2.7-5.9)
45-54	348	93.4 (90.1-95.6)	6.6 (4.4-9.9)
Sex
Male	473	92.2 (89.6-94.2)	7.8 (5.8-10.4)
Female	400	98.3 (96.5-99.1)	1.8 (0.9-3.5)
Diabetes
No	830	95.2 (93.5-96.4)	4.8 (3.6-6.5)
Yes	43	90.7(78.2-96.4)	9.3 (3.6-21.8)
Community
Fishing	522	94.8 (92.7-96.3)	5.2 (3.7-7.3)
Farming	351	95.2 (92.4-96.9)	4.8 (3.1-7.6)

*non-overlapping 95% CI of proportion indicates statistical significance