W1 Dietary Guidelines and Energy Homeostasis Flashcards
How do agencies provide dietary advice?
through knowledge translation
Where could translations come from?
government; may be country/region specific
What is the goal of knowledge translation?
use best available evidence to create dietary guidelines for specific population
What is the hierarchy of evidence from lowest to highest?
expert opinion>case studies/timeseries>cross sectional studies>case control studies>cohort studies>NRCTs>RCTs>systematic reviews & meta-analyses
What is systematic review and meta analysis?
summary of available data, providing conclusive statement; states whether intervention/exposure is benefit or harm
Why is systematic reviews and meta analysis outside of the pyramid?
they are only as strong as the available data you put into them. Eg. syst. rev and meta analysis of cohort studies vs. NRCTs