Institutes of Health (low risk) Summary table Citation Study Population Intervention Outcomes Sample size Compliance to Results & design level measured sodium target location of relevant to (urinary data) research question Arroll et II Adults (aged Participants Blood pressure 87 (n=181 in 6 Without Without exercise: (method not al. 20 69 randomised to one total study) month exercise: – SBP: stated) (1995), parallel years), with of four groups: Low sodium New design hypertension Control pre-diet: 1. Exercise (walking diet: Zealand study (SBP> 145.3mmHg briskly for 40 mins 107mmol/24hr 115mmHg or [] 3 times/week) Control post-diet: DBP > Normal sodium (p>0.2) 70mmHg 2. Salt reduced diet diet: 120 mmol/24hr Sodium restriction 3. Exercise (walking 145.4mmHg briskly for 40 mins 3 times/week) plus Sodium restriction salt reduced diet 136.3mmHg (p>0.2) 4. Control DBP:
Institutes of Health (low risk) Summary table Citation & location Study design level of Population Intervention Outcomes measured relevant to research question Sample size Compliance to sodium target (urinary data) Results Arroll et al. (1995), New Zealand [] parallel design study II Adults (aged 20 – 69 years), with hypertension (SBP> 115mmHg or DBP > 70mmHg Participants randomised to one of four groups: 1. Exercise (walking briskly for 40 mins 3 times/week) 2. Salt reduced diet 3. Exercise (walking briskly for 40 mins 3 times/week) plus salt reduced diet 4. Control Blood pressure (method not stated) 87 (n=181 in total study) 6 Without exercise: Low sodium diet: 107mmol/24hr Normal sodium diet: 120 mmol/24hr Without exercise: SBP: Control pre-diet: 145.3mmHg Control post-diet: (p>0.2) Sodium restriction 145.4mmHg Sodium restriction 136.3mmHg (p>0.2) DBP: month
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