Dairy intake, blood pressure and incident hypertension in a general British population: the 1946 birth cohort.

Publisher: Steinkopff Country of Publication: Germany NLM ID: 100888704 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1436-6215 (Electronic) Linking ISSN: 14366207 NLM ISO Abbreviation: Eur J Nutr Subsets: MEDLINE

Original Publication: Darmstadt, Germany : Steinkopff, 1999-

Blood Pressure*; Dairy Products/*adverse effects ; Hypertension/*epidemiology; Adult ; Blood Pressure Determination/statistics & numerical data ; Cohort Studies ; Diet ; Female ; Humans ; Incidence ; Linear Models ; Logistic Models ; Male ; Middle Aged ; Multivariate Analysis ; Nutrition Assessment ; Risk Factors ; Socioeconomic Factors ; United Kingdom/epidemiology ; White People

Purpose: We aimed to examine the association between intake of different subgroups of dairy products and blood pressure and incident hypertension 10 years later, adjusting for confounding factors.
Methods: We studied 1,750 British men and women from the 1946 British birth cohort from 1989 to 1999 (age 43 and 53 years, respectively). Diet was assessed by 5-day food diaries using photographs in the estimation of portion size. Systolic (sbp) and diastolic (dbp) blood pressure and prevalent hypertension were assessed at age 43 and 53 years. Linear regression and logistic regression were used to examine 10-year blood pressure levels and incident hypertension by baseline dairy intake.
Results: There was a weak non-significant trend of a protective effect of total dairy intake on blood pressure and incident hypertension, but no evidence for a dose-response relationship (OR for incident hypertension: 0.88 (95% CI 0.68;1.14) 2nd vs. 1st tertile and 0.93 (95% CI 0.72;1.18) 3rd vs. 1st tertile). Higher intake of low-fat and fermented dairy was linked to a higher sbp but in a nonlinear manner. Adjustment for other dietary factors, health behaviours and BMI attenuated these associations.
Conclusions: Total dairy intake and specific dairy subgroups were not associated with blood pressure and incident hypertension among a representative sample of British adults after adjustment for confounding factors.

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MC_U105960384 United Kingdom MRC_ Medical Research Council; MC_U123092720 United Kingdom MRC_ Medical Research Council; MC_U123092721 United Kingdom MRC_ Medical Research Council; MC_U123092725 United Kingdom MRC_ Medical Research Council

Date Created: 20110831 Date Completed: 20121127 Latest Revision: 20221207

20231215

10.1007/s00394-011-0242-z

21877233