Table 5. OR for the association of folate and vitamin B12 deficiencies¹ with smokeless tobacco (ST) use.

	Folate deficiency		Vitamin B12 deficiency
	Non user	ST users alone and with betel nut	Non user	ST users alone and with betel nut
Crude2	1	2.32(1.68–3.20)**	1	1.74(1.09–2.78)*
Adjusted3	2	2.11(1.50–2.96)**	2	1.82(1.11–3.00)*

1. Folate deficiency (serum folate <3.5 ng/mL): Vitamin B12 deficiency (serum vitamin B12<200 pg/mL).

2. Values are OR(95% CI) from logistic regression, *p<0.05, **p<0.001.

3. Values are OR(95% CI) from logistic regression adjusted for age (y) and gender; *p<0.05, **p<0.001.