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

BMC Cancer

Table 4 Vitamin D intake and gastric cancer in women

Mean (μg/day)	Control	Cancer	Total	Crude OR (95% CI)	p	Adjusted OR (95% CI)^a	p
0.4	266	100	366	1.00 (reference)		1.00 (reference)
1.9	221	98	319	1.18 (0.85, 1.64)	0.328	1.42 (1.00, 2.01)	0.050
3.6	233	62	295	0.71 (0.49, 1.02)	0.062	0.96 (0.65, 1.41)	0.818
5.6	229	57	286	0.66 (0.46, 0.96)	0.029	0.91 (0.61, 1.35)	0.644
11.5	289	42	331	0.39 (0.26, 0.57)	0.000	0.58 (0.38, 0.89)	0.013
	per increment quintile			0.79 (0.73, 0.86)	0.000	0.87 (0.80, 0.96)	0.003
Total	1238	359	1597

^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