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

BMC Cancer

Table 2 Vitamin D intake and gastric cancer, men and women combined

Mean (μg/day)	Control	Cancer	Total	Crude OR (95% CI)	p	Adjusted OR (95% CI)^a	p
0.4	553	284	837	1.00 (reference)		1.00 (reference)
1.9	550	284	834	1.01 (0.82, 1.23)	0.958	1.13 (0.91, 1.40)	0.271
3.6	614	229	843	0.73 (0.59, 0.89)	0.003	0.88 (0.71, 1.11)	0.284
5.6	608	220	828	0.70 (0.57, 0.87)	0.001	0.91 (0.72, 1.14)	0.404
11.8	670	165	835	0.48 (0.38, 0.60)	0.000	0.68 (0.53, 0.86)	0.002
	per increment quintile			0.84 (0.80, 0.88)	0.000	0.91 (0.86, 0.96)	0.000
Total	2995	1182	4177

^aAdjusted for sex, 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