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Dairy Food Intake Is Inversely Associated with Risk of Hypertension: The Singapore Chinese Health Study.
J Nutr. 2017 02; 147(2):235-241.JN

Abstract

BACKGROUND

Epidemiological evidence from Western populations suggests that dairy food intake may reduce the risk of hypertension, probably through its calcium content. However, there are no epidemiological studies among Asian populations with generally lower dairy and calcium consumption.

OBJECTIVE

The relation between dairy or calcium intake and risk of hypertension was evaluated in a Chinese population in Singapore.

METHODS

The analysis included 37,124 Chinese men and women aged 45-74 y who participated in the Singapore Chinese Health Study in 1993-1998. The subjects included in the present study had no history of cancer, hypertension, or cardiovascular disease at baseline and completed ≥1 follow-up interview. Diet at baseline was assessed by using a validated 165-item semiquantitative food-frequency questionnaire. The occurrence of new, physician-diagnosed hypertension was ascertained through follow-up interviews during 1999-2004 and 2006-2010. The Cox proportional hazard regression method was used to compute HRs and 95% CIs with adjustment for potential confounders.

RESULTS

Dairy food intake was inversely associated with the risk of hypertension in a dose-dependent manner: HRs across quartiles were 1.00 (lowest quartile, reference), 0.97 (95% CI: 0.92, 1.02), 0.98 (95% CI: 0.92, 1.03), and 0.93 (95% CI: 0.88, 0.98) (P-trend = 0.01). Milk accounted for ∼80% of all dairy products consumed in this population. Daily milk drinkers had a lower risk of hypertension (HR: 0.94; 95% CI: 0.89, 0.99) than did nondrinkers. Nondairy calcium intake contributed 80% of total calcium intake. Although dairy calcium intake was associated with a lower risk of hypertension (HR comparing extreme quartiles: 0.88; 95% CI: 0.83, 0.94; P-trend < 0.001), there was no association for nondairy calcium intake (HR: 1.02; 95% CI: 0.94, 1.10; P-trend = 0.58).

CONCLUSIONS

Baseline dairy food intake, and specifically that of milk, may reduce the risk of developing hypertension in Chinese adults, and this may not be associated with the calcium component.

Authors+Show Affiliations

Saw Swee Hock School of Public Health, National University of Singapore, Singapore; mohammad.talaei@u.nus.edu woonpuay.koh@duke-nus.edu.sg.Department of Epidemiology and Biostatistics, Ministry of Education Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.Division of Cancer Control and Population Sciences, University of Pittsburgh Cancer Institute, Pittsburgh, PA. Department of Epidemiology, University of Pittsburgh Graduate School of Public Health, Pittsburgh, PA; and.Saw Swee Hock School of Public Health, National University of Singapore, Singapore; mohammad.talaei@u.nus.edu woonpuay.koh@duke-nus.edu.sg. Duke-NUS Medical School Singapore, Singapore.

Pub Type(s)

Journal Article
Research Support, N.I.H., Extramural

Language

eng

PubMed ID

27974606

Citation

Talaei, Mohammad, et al. "Dairy Food Intake Is Inversely Associated With Risk of Hypertension: the Singapore Chinese Health Study." The Journal of Nutrition, vol. 147, no. 2, 2017, pp. 235-241.
Talaei M, Pan A, Yuan JM, et al. Dairy Food Intake Is Inversely Associated with Risk of Hypertension: The Singapore Chinese Health Study. J Nutr. 2017;147(2):235-241.
Talaei, M., Pan, A., Yuan, J. M., & Koh, W. P. (2017). Dairy Food Intake Is Inversely Associated with Risk of Hypertension: The Singapore Chinese Health Study. The Journal of Nutrition, 147(2), 235-241. https://doi.org/10.3945/jn.116.238485
Talaei M, et al. Dairy Food Intake Is Inversely Associated With Risk of Hypertension: the Singapore Chinese Health Study. J Nutr. 2017;147(2):235-241. PubMed PMID: 27974606.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Dairy Food Intake Is Inversely Associated with Risk of Hypertension: The Singapore Chinese Health Study. AU - Talaei,Mohammad, AU - Pan,An, AU - Yuan,Jian-Min, AU - Koh,Woon-Puay, Y1 - 2016/12/14/ PY - 2016/07/05/received PY - 2016/09/28/revised PY - 2016/11/22/accepted PY - 2016/12/16/pubmed PY - 2017/5/24/medline PY - 2016/12/16/entrez KW - calcium KW - dairy products KW - epidemiology KW - hypertension KW - incidence KW - milk KW - prospective studies SP - 235 EP - 241 JF - The Journal of nutrition JO - J Nutr VL - 147 IS - 2 N2 - BACKGROUND: Epidemiological evidence from Western populations suggests that dairy food intake may reduce the risk of hypertension, probably through its calcium content. However, there are no epidemiological studies among Asian populations with generally lower dairy and calcium consumption. OBJECTIVE: The relation between dairy or calcium intake and risk of hypertension was evaluated in a Chinese population in Singapore. METHODS: The analysis included 37,124 Chinese men and women aged 45-74 y who participated in the Singapore Chinese Health Study in 1993-1998. The subjects included in the present study had no history of cancer, hypertension, or cardiovascular disease at baseline and completed ≥1 follow-up interview. Diet at baseline was assessed by using a validated 165-item semiquantitative food-frequency questionnaire. The occurrence of new, physician-diagnosed hypertension was ascertained through follow-up interviews during 1999-2004 and 2006-2010. The Cox proportional hazard regression method was used to compute HRs and 95% CIs with adjustment for potential confounders. RESULTS: Dairy food intake was inversely associated with the risk of hypertension in a dose-dependent manner: HRs across quartiles were 1.00 (lowest quartile, reference), 0.97 (95% CI: 0.92, 1.02), 0.98 (95% CI: 0.92, 1.03), and 0.93 (95% CI: 0.88, 0.98) (P-trend = 0.01). Milk accounted for ∼80% of all dairy products consumed in this population. Daily milk drinkers had a lower risk of hypertension (HR: 0.94; 95% CI: 0.89, 0.99) than did nondrinkers. Nondairy calcium intake contributed 80% of total calcium intake. Although dairy calcium intake was associated with a lower risk of hypertension (HR comparing extreme quartiles: 0.88; 95% CI: 0.83, 0.94; P-trend < 0.001), there was no association for nondairy calcium intake (HR: 1.02; 95% CI: 0.94, 1.10; P-trend = 0.58). CONCLUSIONS: Baseline dairy food intake, and specifically that of milk, may reduce the risk of developing hypertension in Chinese adults, and this may not be associated with the calcium component. SN - 1541-6100 UR - https://www.unboundmedicine.com/medline/citation/27974606/Dairy_Food_Intake_Is_Inversely_Associated_with_Risk_of_Hypertension:_The_Singapore_Chinese_Health_Study_ L2 - https://academic.oup.com/jn/article-lookup/doi/10.3945/jn.116.238485 DB - PRIME DP - Unbound Medicine ER -