Table 1 Areca nut habits and Odds ratios

Areca nut

9 (4.9)

3 (1.6)

3.10

0.83–11.65

0.078

Pan masala

33 (17.8)

0

81.50

4.95–1341.12

0.00^‡

Areca nut or pan masala plus chewed tobacco

17 (9.2)

3 (1.6)

6.14

1.77–21.32

0.00^‡

Areca nut or pan masala plus alcohol

29 (15.7)

0

69.93

4.24–1153.86

0.001^‡

Areca nut or pan masala plus chewed tobacco and alcohol

43 (23.2)

9 (4.9)

5.92

2.79–12.56

0.00^‡

Betel quid^*†

13 (7.0)

0

29.03

1.71–492.17

0.00^‡

Betel quid plus chewed tobacco^*

14 (7.6)

0

31.37

1.86–529.88

0.00^‡

Betel quid plus alcohol^*

7 (3.8)

0

15.59

0.88–274.97

0.00^‡

Betel quid plus chewed tobacco and alcohol^*

19 (10.3)

0

43.45

2.60–725.30

0.008^‡

Smoked tobacco^*

0

15 (8.1)

0.03

0.00–0.50

0.00^‡

Alcohol^*

0

9 (4.9)

0.05

0.00–0.87

0.00^‡

Smoked tobacco plus alcohol^*

0

71 (38.4)

0.0

0.00–0.07

0.002^‡