<p>OR = odds ratio; CI = confidence interval.</p><p>*Data on literacy and marital status were missing for 3 participants.</p>#<p>Data on asset index was missing for 24 persons.</p>§<p>Data on Nutritional status was missing for 13 persons.</p>a<p>ORs (95% CIs) were derived from the model that included age, sex, literacy, marital status, asset index, smoking, tobacco leaf and nutritional status.</p