. 2015 Feb 15;5(3):979–999.

Table 1.

Risk estimation according to dietary (Smoked food, Pickled food, Dried fish, Fresh fish and Green-leafy vegetables) and habitual (Betel nut and tobacco chewing, tobacco smoking and alcohol habits) factors in north east population

Category	Case n (%)	Control n (%)	Crude OR (95% CI)	p-value	Multivariate OR (95% CI)	p-value
Smoked food
Non-consumers	32 (42.7)	45 (60.0)	Reference	0.034	Reference	0.092
Consumers	43 (57.3)	30 (40.0)	2.02 (1.05-3.86)	0.034	1.05 (0.44-2.50)	0.092
Pickled food
Non-consumers	32 (42.7)	34 (45.3)	Reference	0.742	Reference	0.896
Consumers	43 (57.3)	41 (54.7)	1.11 (0.59-2.12)	0.742	1.05 (0.53-2.08)	0.896
Dried fish
Non-consumers	31 (41.3)	50 (66.7)	Reference	0.002	Reference	0.025^*
Consumers	44 (58.7)	25 (33.3)	2.84 (1.46-5.52)	0.002	2.77 (1.14-6.74)	0.025^*
Fresh fish
Non-consumers	7 (9.3)	9 (12.0)	Reference	0.597	Reference	0.697
Consumers	68 (90.7)	66 (88.0)	1.33 (0.47-3.76)	0.597	0.78 (0.22-2.73)	0.697
Green-leafy Vegetables
Non-consumers	5 (6.7)	8 (10.7)	Reference	0.384	Reference	0.683
Consumers	70 (93.3)	67 (89.3)	1.67 (0.52-5.37)	0.384	1.35 (0.32-5.60)	0.683
Betel-nut Chewing status
Non chewer	7 (9.3)	23 (30.7)	Reference	0.001	Reference	0.046^*
Ever chewer	68 (90.7)	52 (69.3)	4.30 (1.71-10.78)	0.001	2.79 (1.02-7.62)	0.046^*
Tobacco Chewing status
Non chewer	25 (33.3)	42 (56.0)	Reference	0.005	Reference	0.162
Ever chewer	50 (66.7)	33 (44.0)	2.55 (1.31-4.94)	0.005	1.76 (0.80-3.91)	0.162
Tobacco Smoking status
Non smoker	26 (34.7)	34 (45.3)	Reference	0.182	Reference	0.080
Ever smoker	49 (65.3)	41 (54.7)	1.56 (0.81-3.02)	0.182	1.93 (0.92-4.03)	0.080
Alcohol Drinking status
Non drinker	34 (45.3)	53 (70.7)	Reference	0.002	Reference	0.33^*
Ever drinker	41 (54.7)	22 (29.3)	2.91 (1.48-5.70)	0.002	2.21 (1.07-4.57)	0.33^*

Significant i.e indicates p ≤ 0.05.