Table 6. Associations between cancer variables and any use of vitamin C, vitamin E and/or calcium over the lifetime among participants of the databank and biorepository at a comprehensive cancer centre in western New York, USA, December 2003–July 2012.

	Men		Women
	OR†	95% CI	OR†	95% CI
Cancer status‡
Controls	100	Reference	100	Reference
Patients	0.86	0.70, 1.05	0.88	0.78, 1.00
Cancer type§
Benign	100	Reference	100	Reference
New	0.83	0.63, 1.10	0.87	0.72, 1.05
Recurrent	1.37	0.93, 2.02	0.84	0.59, 1.21
Cancer site§
Breast‖	0.83	0.28, 2.42	1.04	0.89, 1.21
Prostate‖	1.17	0.97, 1.42	N/A
Respiratory‖	1.02	0.77, 1.35	0.99	0.75, 1.32
Gastrointestinal‖	0.83	0.65, 1.07	0.83	0.64, 1.07
Gynaecological‖	N/A		0.99	0.82, 1.18
Genitourinary‖	0.86	0.66, 1.11	0.99	0.82, 1.18
Skin‖	0.99	0.67, 1.46	1.36	0.91, 2.03
Others¶	1.05	0.80, 1.38	1.04	0.80, 1.39
Cancer stage††
In situ	100	Reference	100	Reference
Localized	1.20	0.52, 2.80	0.81	0.59, 1.11
Regional	0.90	0.38, 2.12	0.73	0.52, 1.02
Distant	0.98	0.41, 2.32	0.75	0.52, 1.08
Unknown	1.15	0.48, 2.75	0.80	0.53, 1.22

N/A, not applicable.

^†Adjusted for age, race, education, family history of cancer, smoker status, BMI, total fruit and vegetable intake, physical activity.

^‡Overall n 8096 (men=2787; women =5309).

^§Cancer patients only (overall =5418: men =2145; women =3273).

^‖Odds ratio compared with all other cancer sites or stages.

^¶Odds ratio compared with all previously reported cancer sites.

^††Cancer patients with malignancies (overall =4494: men =1890; women =2604).