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Dairy Product Consumption and Prostate Cancer Risk in the United States.
Nutrients 2019; 11(7)N

Abstract

An ongoing controversy exists regarding the effect of dairy products on prostate cancer risk in observational studies. We prospectively investigated the associations between dairy product consumption and prostate cancer risk among men in the United States. After calculating pre-diagnostic intake of individual or subgroups of dairy products using a validated food frequency questionnaire, we estimated hazard ratios (HR) and 95% confidence intervals (CI) for pathologically-verified cases of incident prostate cancer among men, overall, or stratified by severity. Among 49,472 men, 4134 were diagnosed with prostate cancer during an average follow-up period of 11.2 years. The median total dairy intake was 101 g/1000 kcal. Consumption of total, individual, or subgroups of dairy products was not statistically significantly associated with prostate cancer risk overall (HR = 1.05, 95% CI = 0.96-1.15 comparing the highest with lowest quartile) or stratified by severity, except for regular-fat dairy product intake with late-stage prostate cancer risk (HR = 1.37, 95% CI = 1.04-1.82 comparing the highest with lowest quartile) and 2%-fat milk intake with advanced prostate cancer risk (HR = 1.14, 95% CI = 1.02-1.28 comparing the higher than median intake with no intake group). Our findings do not support the previously reported harmful impact of dairy consumption on overall prostate cancer risk among men in the United States.

Authors+Show Affiliations

College of Public Health and Human Sciences, School of Biological and Population Health Sciences, Oregon State University, Corvallis, OR 97331, USA.Knight Cancer Institute, Oregon Health and Science University, Portland, OR 97239, USA.Department of Urology, Oregon Health and Science University, Portland, OR 97239, USA.Department of Urology, Oregon Health and Science University, Portland, OR 97239, USA.Linus Pauling Institute, Oregon State University, Corvallis, OR 97331, USA.Knight Cancer Institute, Oregon Health and Science University, Portland, OR 97239, USA.College of Public Health and Human Sciences, School of Biological and Population Health Sciences, Oregon State University, Corvallis, OR 97331, USA. yumie.takata@oregonstate.edu.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31315238

Citation

Preble, Isabella, et al. "Dairy Product Consumption and Prostate Cancer Risk in the United States." Nutrients, vol. 11, no. 7, 2019.
Preble I, Zhang Z, Kopp R, et al. Dairy Product Consumption and Prostate Cancer Risk in the United States. Nutrients. 2019;11(7).
Preble, I., Zhang, Z., Kopp, R., Garzotto, M., Bobe, G., Shannon, J., & Takata, Y. (2019). Dairy Product Consumption and Prostate Cancer Risk in the United States. Nutrients, 11(7), doi:10.3390/nu11071615.
Preble I, et al. Dairy Product Consumption and Prostate Cancer Risk in the United States. Nutrients. 2019 Jul 16;11(7) PubMed PMID: 31315238.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Dairy Product Consumption and Prostate Cancer Risk in the United States. AU - Preble,Isabella, AU - Zhang,Zhenzhen, AU - Kopp,Ryan, AU - Garzotto,Mark, AU - Bobe,Gerd, AU - Shannon,Jackilen, AU - Takata,Yumie, Y1 - 2019/07/16/ PY - 2019/06/06/received PY - 2019/07/09/revised PY - 2019/07/10/accepted PY - 2019/7/19/entrez PY - 2019/7/19/pubmed PY - 2020/1/10/medline KW - United States KW - dairy products KW - prostate cancer risk JF - Nutrients JO - Nutrients VL - 11 IS - 7 N2 - An ongoing controversy exists regarding the effect of dairy products on prostate cancer risk in observational studies. We prospectively investigated the associations between dairy product consumption and prostate cancer risk among men in the United States. After calculating pre-diagnostic intake of individual or subgroups of dairy products using a validated food frequency questionnaire, we estimated hazard ratios (HR) and 95% confidence intervals (CI) for pathologically-verified cases of incident prostate cancer among men, overall, or stratified by severity. Among 49,472 men, 4134 were diagnosed with prostate cancer during an average follow-up period of 11.2 years. The median total dairy intake was 101 g/1000 kcal. Consumption of total, individual, or subgroups of dairy products was not statistically significantly associated with prostate cancer risk overall (HR = 1.05, 95% CI = 0.96-1.15 comparing the highest with lowest quartile) or stratified by severity, except for regular-fat dairy product intake with late-stage prostate cancer risk (HR = 1.37, 95% CI = 1.04-1.82 comparing the highest with lowest quartile) and 2%-fat milk intake with advanced prostate cancer risk (HR = 1.14, 95% CI = 1.02-1.28 comparing the higher than median intake with no intake group). Our findings do not support the previously reported harmful impact of dairy consumption on overall prostate cancer risk among men in the United States. SN - 2072-6643 UR - https://www.unboundmedicine.com/medline/citation/31315238/Dairy_Product_Consumption_and_Prostate_Cancer_Risk_in_the_United_States_ L2 - http://www.mdpi.com/resolver?pii=nu11071615 DB - PRIME DP - Unbound Medicine ER -