Study reports oil did not affect blood pressure Key features for bias assessment of randomised trials Citation Method of Allocation Blinding Loss to Use of Ceasing study Reporting all Funding randomisation concealment follow-up early for benefit outcome results source where required Nestel et Unclear risk (no Unclear risk (no Participants: low 5.2% (low Yes (low risk) No (low risk) High risk Hoffmann La al. (1993), description of description of risk risk) (Cholesterol, HDL Roche (low Australia method of method of cholesterol, and risk) Providers: low risk sequence concealment of triglycerides not generation) allocation) reported) Outcome assessors: low risk Summary Citation Study Population Intervention Outcomes Sample size Intervention Compliance to Results & design level measured duration sodium target location of relevant to (urinary data) research question
Study reports oil did not affect blood pressure Key features for bias assessment of randomised trials Citation Method of randomisation Allocation concealment Blinding Loss to follow-up Use of where required Ceasing study early for benefit Reporting all outcome results Funding source Nestel et al. (1993), Australia 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 5.2% (low risk) Yes (low risk) No (low risk) High risk (Cholesterol, HDL cholesterol, and triglycerides not reported) Hoffmann La Roche (low risk) Summary Citation & location Study design level of Population Intervention Outcomes measured relevant to research question Sample size Intervention duration Compliance to sodium target (urinary data) Results