L14 - how good is this groups diet?

What are food based dietary guidelines?

aim to describe an adequate diet and are country specific

What are the key points of NZ FBDGs?

focus on key food groups, limit highly processed, high sodium sugar and saturated fat products, include physical activity guidelines, have 3 components: a detailed evidence report, guidelines listed and visual representation which is currently a plate

What are Canada’s FBDGs?

have a visual plate with ½ veg+fruit, ¼ wholegrains and ¼ protein, also have an eating habit guideline to consider how, when, with who, and what we eat

What are diet quality scores?

compare diet to FBDG and assign scores based on intake, have a cutoff for a ‘good’ diet

What is the Healthy Eating Index (HEI)?

evaluates diet quality based on American guidelines, looks at diet quality not quantity excluding supplements, get a higher score for consuming ‘healthy’ foods and limiting ‘unhealthy’ foods, but HEI can be difficult to calculate as it is measured per 1000kcal

What relation to cancer and t2d does HEI, AHEI, and DASH have?

higher adherence to these diets reduces risk of cancer and T2D

What are the limitations of diet quality scores?

dont take into account energy intake, describe overall diet but not risk of specific nutrient inadequacy, are country specific and must be updated when FBDGs change

What are other measurement tools to assess diet quality?

Healthy Diet Indicator - WHO guidelines to avoid chronic disease, Mediterranean DIet Score and DASH