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Prevalence of OSCC according to tobacco habit and gender.
| Tobacco habit | Male (n = 464) (%) | Female (n = 147) (%) | χ2 value (df = 3) | p value |
|---|---|---|---|---|
| No tobacco | 16 (3.4) | 24 (16.3) | 90.09 | <0.001 |
| Smokeless | 209 (45.0) | 107 (72.8) | ||
| Smoking | 45 (9.7) | 6 (4.1) | ||
| Smoking and smokeless | 194 (41.8) | 10 (6.8) |
