W6 - Weighed Food Diaries, Nut. Req. & Supplement Recommendations
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What can weighed food diaries be also known as?
Diet diaries Food records
What is shown from a weighed food diary?
Food consumed Eating occasions
Why is it recommended for weighed food diaries that it is based on multiple days of entries rather than a single day?
To account for daily variation in diet
What can be assessed from a weighed food diary?
Energy + nutrient intake Intake of specific nutrients or food Dietary pattern W/in ind + between ind comparison Meal composition Freq of eating Eating env
Why would you want more days being recorded for a weighed food diary?
To red bias towards certain days of the week. i.e weekday/weekend
What might be a disadvantage of recording many days for the weighed food diary?
The less accurate the ind may be due to fatigue
When is the weighed food diary method used?
To record exact portion sizes i.e in a study of dietary behaviours Useful for study of diet-diseases associations For the assessment of dietary intakes in national surveys.
What does EAR stand for and what is it defined as?
Estimated Avg Requirement = An estimate of the avg req for energy or a nutrient.
What does RNI stand for and what is it defined as?
Ref nutrient intake = Amount of protein, vitamins + minerals that is enough to ensure the needs of most of the group (97.5%) are met. NOT minimum targets as some in group will need less.
What does LRNI stand for and what is it defined as?
Lower Ref Nut Intake = Amount of nutrient that is enough for only the small no. of ppl who have low req (2.5%) Majority need more.
Vitamin D supplements for breastfed babies
In the UK, the Department of Healthy recommends that from birth to 1 yr = 8.5 - 10 µg of Vitamin D
Vitamin D supplements for instant formula fed babies
In the UK, the Department of Healthy recommends that they should NOT be supplements until they are receiving less than 500ml of infant formula/day. = Due to infant formula being fortified w/ Vitamin D
Vitamin D supplements for children aged 1-4 yrs old
In the UK, the Department of Healthy recommends that they should be given a daily supplement containing 10 µg of Vitamin D
What did Public Health England advise the government in 2016 about Vitamin D intake?
Everyone needs the equivalent to an avg daily intake of 10 µg. Harder in autumn + winter so ppl should consider taking a daily supplement containing this.
Folic acid supplements in pregnancy
All women planning to have a baby are recommended to have a folic acid supplement. Then up to week 12 of pregnancy to prevent neural tube defects.