Vitamin D intake and gastric cancer in Viet Nam: a case-control study

BMC Cancer

Table 3 Vitamin D intake and gastric cancer in men

Mean (μg/day)	Control	Cancer	Total	Crude OR (95% CI)	p	Adjusted OR (95% CI)^a	p
0.4	287	184	471	1.00 (reference)		1.00 (reference)
1.9	329	186	515	0.88 (0.68, 1.14)	0.339	0.99 (0.76, 1.30)	0.942
3.6	381	167	548	0.68 (0.53, 0.89)	0.004	0.85 (0.64, 1.12)	0.242
5.5	379	163	542	0.67 (0.52, 0.87)	0.003	0.90 (0.68, 1.18)	0.440
12.0	381	123	504	0.50 (0.38, 0.66)	0.000	0.72 (0.53, 0.97)	0.028
	per increment quintile			0.85 (0.80, 0.90)	0.000	0.93 (0.87, 0.99)	0.027
Total	1757	823	2580

^aAdjusted for age, education, smoking, BMI, family history of cancer, blood group (A, AB, B, O), alcohol drinking, fridge at home, four periods of data collection, energy intake, and serum status of H. pylori infection

ISSN: 1471-2407