Association of smoking, alcohol drinking and dietary factors with esophageal cancer in high- and low-risk areas of Jiangsu Province, China

Table 5 OR and 95% CI of dietary habits, food consumption in EC of Dafeng and Ganyu

Dietary factor	County	Category				P value for trend
		1 (lowest)	2	3	4 (highest)
Food temperature1	Dafeng	1	0.51 (0.24-1.09)	-	-	0.08
(1-Normal; 2- Hot)	Ganyu	1	1.14 (0.55-2.41)	-	-	0.714
Eating speed1	Dafeng	1	4.01 (1.87-8.62)	-	-	<0.001
(1-Normal; 2-Fast)	Ganyu	1	3.09 (1.24-7.70)	-	-	0.015
Self reported grain fungi pollution1	Dafeng	1	2.27 (0.79-6.54)	-	-	0.131
(1-Likely; 2-Not likely)	Ganyu	1	1.18 (0.45-3.11)	-	-	0.741
Fresh garlic/wk23	Dafeng	1	0.64 (0.26-1.60)	-	-	0.337
	Ganyu	1	1.17 (0.57-2.41)	-	-	0.664
Staple foods1	Dafeng	1	0.45 (0.19-1.10)	0.54 (0.21-1.38)	0.73 (0.26-2.04)	0.474
	Ganyu	1	0.98 (0.10-9.77)	0.45 (0.05-4.38)	0.54 (0.05-4.34)	0.324
Meat4	Dafeng	1	0.73 (0.29-1.85)	1.66 (0.68-4.10)	1.93 (0.64-5.77)	0.16
	Ganyu	1	0.54 (0.12-2.42)	1.17 (0.28-4.92)	0.65 (0.11-3.67)	0.305
Fish and seafood products4	Dafeng	1	1.14 (0.64-2.03)	2.11 (1.12-3.96)	1.91 (1.00-3.64)	0.023
	Ganyu	1	0.98 (0.42-2.28)	0.64 (0.28-1.44)	1.04 (0.46-2.33)	0.794
Eggs4	Dafeng	1	0.53 (0.20-1.44)	1.23 (0.54-2.80)	1.99 (0.72-5.49)	0.146
	Ganyu	1	0.69 (0.28-1.73)	0.30 (0.10-1.10)	0.95 (0.41-2.22)	0.936
Soybean45	Dafeng	1	1.81 (0.88-3.74)	-	-	0.11
	Ganyu	1	1.31 (0.37-4.59)	-	-	0.677
Preserved foods4	Dafeng	1	0.26(0.09-0.75)	0.49 (0.16-1.46)	0.94 (0.37-2.36)	0.635
	Ganyu	1	1.05 (0.37-2.97)	0.56 (0.21-1.48)	1.21 (0.46-3.20)	0.932
Vegetables4	Dafeng	1	1.26 (0.50-3.16)	0.94 (0.39-2.30)	1.37 (0.49-3.83)	0.72
	Ganyu	1	0.34 (0.08-1.54)	0.80 (0.20-3.18)	0.76 (0.15-3.72)	0.889
Fruits2	Dafeng	1	1.02 (0.42-2.47)	0.42 (0.16-1.12)	1.23 (0.51-2. 98)	0.802
	Ganyu	1	1.61 (0.68-3.80)	1.13 (0.43-2.95)	1.17 (0.41-3.37)	0.746

¹ Matched by age and gender, further adjusted for level of education, past economic status (group), smoking, alcohol drinking, BMI group, cancer family history, eating speed, food temperature and self-reported grain fungi pollution;

² Matched by age and gender, further adjusted for education level, past economic status (group), smoking, alcohol drinking, BMI group, eating speed and family history of cancer;

³ Less than 3 times per week=1, 3 times per week and above=2;

⁴ Matched by age and gender, further adjusted for level of education, past economic status (group), smoking, alcohol drinking, BMI group, cancer family history, eating speed and food temperature;

⁵ Categorized by median among controls.