Effect of individualised dietary advice for weight loss supplemented with walnuts on blood pressure: the HealthTrack study

Effect of individualised dietary advice for weight loss supplemented with walnuts on blood... Background/objectives In addition to weight-loss, healthy dietary patterns and lower sodium intakes can help reduce blood pressure (BP), but individualised dietary advice may be necessary to achieve these effects. This study aimed to examine the impact of individualised dietary advice on BP in the intensive phase of a weight-loss trial. Subjects/methods Secondary analysis of baseline and 3-month data from the HealthTrack randomised controlled trial (n = 211). Participants were randomly assigned to one of three dietary advice groups: general advice (control), individualised advice (intervention group, I), or intervention group supplemented with 30 g walnuts/day (IW). Resting BP and 24-h urine sodium and potassium were measured. Dietary intake was evaluated through diet history interviews. Results Unadjusted SBP reduced significantly in all groups (IW and I groups P < 0.001; control group P = 0.002) and DBP in IW and I groups (P < 0.001). Compared to controls, the reductions in BP were 3–4 mmHg greater in the I and IW groups, but this only reached significance for DBP in the I group (−3.3 mmHg; P = 0.041). After controlling for age, sex, medi- cation, weight-loss, physical activity and smoking, only the IW group showed a significant association between SBP reduction http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png European Journal of Clinical Nutrition Springer Journals

Effect of individualised dietary advice for weight loss supplemented with walnuts on blood pressure: the HealthTrack study

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Macmillan Publishers Limited, part of Springer Nature
Subject
Medicine & Public Health; Medicine/Public Health, general; Public Health; Epidemiology; Internal Medicine; Clinical Nutrition; Metabolic Diseases
ISSN
0954-3007
eISSN
1476-5640
D.O.I.
10.1038/s41430-018-0123-0
Publisher site
See Article on Publisher Site

Abstract

Background/objectives In addition to weight-loss, healthy dietary patterns and lower sodium intakes can help reduce blood pressure (BP), but individualised dietary advice may be necessary to achieve these effects. This study aimed to examine the impact of individualised dietary advice on BP in the intensive phase of a weight-loss trial. Subjects/methods Secondary analysis of baseline and 3-month data from the HealthTrack randomised controlled trial (n = 211). Participants were randomly assigned to one of three dietary advice groups: general advice (control), individualised advice (intervention group, I), or intervention group supplemented with 30 g walnuts/day (IW). Resting BP and 24-h urine sodium and potassium were measured. Dietary intake was evaluated through diet history interviews. Results Unadjusted SBP reduced significantly in all groups (IW and I groups P < 0.001; control group P = 0.002) and DBP in IW and I groups (P < 0.001). Compared to controls, the reductions in BP were 3–4 mmHg greater in the I and IW groups, but this only reached significance for DBP in the I group (−3.3 mmHg; P = 0.041). After controlling for age, sex, medi- cation, weight-loss, physical activity and smoking, only the IW group showed a significant association between SBP reduction

Journal

European Journal of Clinical Nutrition – Springer Journals

Published: Mar 20, 2018

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