Low risk Unclear risk Participants: unclear <5% (low risk) No (unclear risk) supplied (computerised (no description risk capsules but Crossover design Crossover random number of method of no indication Providers: high risk design program) concealment of of funding) allocation) Outcome assessors: >20% (high risk) No (high risk) low risk Crossover study Participants: low risk Providers: low risk Outcome assessors: low risk Summary Citation Study Population Intervention Outcomes Sample Compliance to sodium Results & design level measured size target (urinary data) location of relevant to duration research question Dubbert II Older adults Participants were Blood pressure 122 3 months Mean change in urinary Mean (seated) et al. (aged 60 randomised to one sodium levels by group: difference – (1995), parallel 80 years), of three groups: between low DI/FB: USA design with sodium diet to 1. Dietary sodium study essential normal sodium Caucasian participants: [] goal of hypertension diet: (sig greater 87mmol/day
Low risk (computerised random number program) Unclear risk (no description of method of concealment of allocation) Participants: unclear risk Providers: high risk Outcome assessors: low risk Crossover study Participants: low risk Providers: low risk Outcome assessors: low risk <5% (low risk) Crossover design >20% (high risk) No (unclear risk) Crossover design No (high risk) supplied capsules but no indication of funding) Summary Citation & location Study design level of Population Intervention Outcomes measured relevant to research question Sample size duration Compliance to sodium target (urinary data) Results Dubbert et al. (1995), USA [] parallel design study II Older adults (aged 60 – 80 years), with essential hypertension Participants were randomised to one of three groups: 1. Dietary sodium goal of 87mmol/day Blood pressure (seated) 122 3 months Mean change in urinary sodium levels by group: DI/FB: Caucasian participants: (sig greater Mean difference between low sodium diet to normal sodium diet:
Sodium%20Supporting%20Document%201%20%20Systematic%20Literature%20Review.docx