Table 8.

Logistic regression analysis of odds for VSC level ≥ 110 ppb

	P	OR	95%CI
			Lower Upper
Thickness of tongue coating
0	0.040	1	1
1	0.694	0.800	0.263	2.433
2	0.465	1.537	0.485	4.870
3	0.148	2.299	0.743	7.112