Cross-Sectional Study
Looking at a group of people at one point in time. Considered the lowest level of evidence and can only recognise associations
Randomised controlled trial
The intervention is trialled on study groups. One group is the control group and receives no treatment. Trial participants are randomly assigned to a study group and ideally, not aware of which intervention they are receiving (blinded). Considered a high level of evidence.
The “GRADE” quality of evidence
Study types and hierarchy of evidence
Sugar Classifications
Sugar definitions
