Table 5 Dietary risk factors for lung cancer; result of multivariate conditional logistic regression

Raw vegetables

Lower third

Referent

-

-

-

Middle third

0.42

0.10

0.26-0.69

0.001

Upper third

NS

-

-

-

Fruit

0.44

0.07

0.31-0.63

<0.0001

Rice

Lower third

Referent

-

-

-

Middle third

1.84

0.42

1.17-2.89

0.008

Upper third

NS

-

-

-

Bread

1.54

0.32

1.02-2.32

0.04

Sheep and beef liver

Lower third

Referent

-

-

-

Middle third

3.03

1.16

1.44-6.40

0.004

Upper third

NS

-

-

-

Butter

1.69

0.43

1.03-2.78

0.04

White cheese

3.09

0.91

1.73-5.50

<0.0001

Beef

2.13

0.57

1.25-3.61

0.005

Sun flower oil

0.28

0.13

0.11-0.70

0.006

Vegetable ghee

7.71

3.50

3.17-18.74

<0.0001

Animal ghee

2.27

0.77

1.17-4.40

0.015