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Calcium, vitamin D, dairy products, and risk of colorectal cancer in the Cancer Prevention Study II Nutrition Cohort (United States).
Cancer Causes Control 2003; 14(1):1-12CC

Abstract

OBJECTIVE

Calcium, vitamin D, and dairy product intake may reduce the risk of colorectal cancer. We therefore examined the association between these factors and risk of colorectal cancer in a large prospective cohort of United States men and women.

METHODS

Participants in the Cancer Prevention Study II Nutrition Cohort completed a detailed questionnaire on diet, medical history, and lifestyle in 1992-93. After excluding participants with a history of cancer or incomplete dietary information, 60,866 men and 66,883 women remained for analysis. During follow-up through 31 August 1997 we documented 421 and 262 cases of incident colorectal cancers among men and women, respectively. Multivariate-adjusted rate ratios (RR) were calculated using Cox proportional hazards models.

RESULTS

Total calcium intake (from diet and supplements) was associated with marginally lower colorectal cancer risk in men and women (RR = 0.87, 95% CI 0.67-1.12, highest vs lowest quintiles, p trend = 0.02). The association was strongest for calcium from supplements (RR = 0.69, 95% CI 0.49-0.96 for > or = 500 mg/day vs none). Total vitamin D intake (from diet and multivitamins) was also inversely associated with risk of colorectal cancer, particularly among men (RR = 0.71, 95% CI 0.51-0.98, p trend = 0.02). Dairy product intake was not related to overall risk.

CONCLUSIONS

Our results support the hypothesis that calcium modestly reduces risk of colorectal cancer. Vitamin D was associated with reduced risk of colorectal cancer only in men.

Authors+Show Affiliations

Epidemiology and Surveillance Research Department, American Cancer Society, 1599 Clifton Rd NE, Atlanta GA, 30309 USA.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

12708719

Citation

McCullough, Marjorie L., et al. "Calcium, Vitamin D, Dairy Products, and Risk of Colorectal Cancer in the Cancer Prevention Study II Nutrition Cohort (United States)." Cancer Causes & Control : CCC, vol. 14, no. 1, 2003, pp. 1-12.
McCullough ML, Robertson AS, Rodriguez C, et al. Calcium, vitamin D, dairy products, and risk of colorectal cancer in the Cancer Prevention Study II Nutrition Cohort (United States). Cancer Causes Control. 2003;14(1):1-12.
McCullough, M. L., Robertson, A. S., Rodriguez, C., Jacobs, E. J., Chao, A., Carolyn, J., ... Thun, M. J. (2003). Calcium, vitamin D, dairy products, and risk of colorectal cancer in the Cancer Prevention Study II Nutrition Cohort (United States). Cancer Causes & Control : CCC, 14(1), pp. 1-12.
McCullough ML, et al. Calcium, Vitamin D, Dairy Products, and Risk of Colorectal Cancer in the Cancer Prevention Study II Nutrition Cohort (United States). Cancer Causes Control. 2003;14(1):1-12. PubMed PMID: 12708719.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Calcium, vitamin D, dairy products, and risk of colorectal cancer in the Cancer Prevention Study II Nutrition Cohort (United States). AU - McCullough,Marjorie L, AU - Robertson,Andrea S, AU - Rodriguez,Carmen, AU - Jacobs,Eric J, AU - Chao,Ann, AU - Carolyn,Jonas, AU - Calle,Eugenia E, AU - Willett,Walter C, AU - Thun,Michael J, PY - 2003/4/24/pubmed PY - 2003/8/7/medline PY - 2003/4/24/entrez SP - 1 EP - 12 JF - Cancer causes & control : CCC JO - Cancer Causes Control VL - 14 IS - 1 N2 - OBJECTIVE: Calcium, vitamin D, and dairy product intake may reduce the risk of colorectal cancer. We therefore examined the association between these factors and risk of colorectal cancer in a large prospective cohort of United States men and women. METHODS: Participants in the Cancer Prevention Study II Nutrition Cohort completed a detailed questionnaire on diet, medical history, and lifestyle in 1992-93. After excluding participants with a history of cancer or incomplete dietary information, 60,866 men and 66,883 women remained for analysis. During follow-up through 31 August 1997 we documented 421 and 262 cases of incident colorectal cancers among men and women, respectively. Multivariate-adjusted rate ratios (RR) were calculated using Cox proportional hazards models. RESULTS: Total calcium intake (from diet and supplements) was associated with marginally lower colorectal cancer risk in men and women (RR = 0.87, 95% CI 0.67-1.12, highest vs lowest quintiles, p trend = 0.02). The association was strongest for calcium from supplements (RR = 0.69, 95% CI 0.49-0.96 for > or = 500 mg/day vs none). Total vitamin D intake (from diet and multivitamins) was also inversely associated with risk of colorectal cancer, particularly among men (RR = 0.71, 95% CI 0.51-0.98, p trend = 0.02). Dairy product intake was not related to overall risk. CONCLUSIONS: Our results support the hypothesis that calcium modestly reduces risk of colorectal cancer. Vitamin D was associated with reduced risk of colorectal cancer only in men. SN - 0957-5243 UR - https://www.unboundmedicine.com/medline/citation/12708719/Calcium_vitamin_D_dairy_products_and_risk_of_colorectal_cancer_in_the_Cancer_Prevention_Study_II_Nutrition_Cohort__United_States__ L2 - http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=12708719.ui DB - PRIME DP - Unbound Medicine ER -