Cobiac et Unclear risk (no Unclear risk (no Participants: 7% (low risk) Yes (low risk) No (low risk) Yes (low risk) National al. (1992) description of description of low risk Health and method of method of Medical Providers: low sequence concealment of Research risk generation) allocation) Council (low risk) Outcome assessors: low risk Summary table Citation Study Population Intervention Outcomes Sample size Compliance to Results & design level measured duration sodium target location of relevant to (urinary data) research question Dodson II Adults with Parallel design Blood pressure Parallel Parallel Parallel design Mean difference (supine after 5 et al. type II design design study: between low min rest, erect (1989), parallel diabetes and 34 3 months sodium diet to after 2 min 1. received dietary Normal sodium UK design mild normal sodium rest) advice to reduce Crossover Crossover group: 180.7 +60.4 study hypertension diet: [] sodium intake study: 9 study: 1 mmol/24hr (1989a) (SBP: participants month Supine: followed >160mmHg, 2. control (also Low sodium group: from the low by DBP: received dietary 136.8 + 37.9 Parallel design sodium arm 95mmHg) education) mmol/24hr Cross-over study: 9 participants from over
Cobiac et al. (1992) Unclear risk (no description of method of sequence generation) Unclear risk (no description of method of concealment of allocation) Participants: low risk Providers: low risk Outcome assessors: low risk 7% (low risk) Yes (low risk) No (low risk) Yes (low risk) National Health and Medical Research Council (low risk) Summary table Citation & location Study design level of Population Intervention Outcomes measured relevant to research question Sample size duration Compliance to sodium target (urinary data) Results Dodson et al. (1989), UK [] parallel design study (1989a) followed by II Adults with type II diabetes and mild hypertension (SBP: >160mmHg, DBP: 95mmHg) Parallel design 1. received dietary advice to reduce sodium intake 2. control (also received dietary education) Cross-over study: 9 participants from Blood pressure (supine after 5 min rest, erect after 2 min rest) Parallel design 34 Crossover study: 9 participants from the low sodium arm Parallel design 3 months Crossover study: 1 month Parallel design study: Normal sodium group: 180.7 +60.4 mmol/24hr Low sodium group: 136.8 + 37.9 mmol/24hr Mean difference between low sodium diet to normal sodium diet: Supine: Parallel design over