1 / 14

ALSPAC diet resource

ALSPAC diet resource. Dr Pauline Emmett Senior Research Fellow Nutritionist & Dietitian. The ALSPAC cohort. 14, 0 00 pregnant women EDD April 1991 to Dec 1992 Living in Avon in South West England Information collected by Self-completion questionnaire Medical records

cedric-mccall
Download Presentation

ALSPAC diet resource

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. ALSPAC diet resource Dr Pauline Emmett Senior Research Fellow Nutritionist & Dietitian

  2. The ALSPAC cohort • 14,000 pregnant women • EDD April 1991 to Dec 1992 • Living in Avon in South West England • Information collected by • Self-completion questionnaire • Medical records • Biological samples • Hands-on measurements

  3. Diet in ALSPAC The assessment of diet has been an integral part of ALSPAC from the beginning

  4. Dietary methodology • Food frequency questionnaires • Mother, father & child • Age at introduction of foods and drinks • Eating habits & attitudes to food • Mother & child • Food record • Child

  5. Food frequency questionnaire • Asked about food eaten nowadays • Gave a list of 43 - 54 foods to tick • meat – 5-8 separate questions • fish – 3-5 separate questions • vegetables - 7 separate questions • fruit - 3 separate questions • breakfast cereals - 3 separate questions • and so on

  6. 0 0.5 2 5.5 10

  7. Foods eaten every day • Asked about types of some foods • Bread – e.g white, wholemeal etc • Milk – e.g. full fat, semi-skimmed • Spreading fats – e.g. butter, flora • Asked about amounts of some foods • number of slices of bread • number of cups of tea and coffee

  8. Uses of FFQ data • Dietary Patterns • Uses FFQ answers directly • Kate Northstone has done a lot of work on these • Calculation of nutrient intakes • List of appropriate foods • Appropriate portions sizes • Appropriate nutrient data • Very much an estimate

  9. FFQs with nutrient data • Mothers • 32 weeks pregnancy, 4 years later • Partners • Partial during the pregnancy, 4 years later • Children • 3 years, 4 years, 7 years and 9 years

  10. Food Records • 3-day unweighed food record • sent in advance with instructions • When possible checked with carer/child at clinic • coded using British food tables • all records checked, outliers rechecked

  11. Food records collected Parental completion • 10% random sub-sample (CIF) • 4 months (1 day only) - 933 infants • 8 months - 1178 infants • 18 months -1026 children • 3.5 years - 863 children • 5 years – 750 children • Whole cohort (including CIF) • 7 years – 7230

  12. Food records used at age 10 & 13 years • 3-days records • Completed by child • Parental help • Clinic interview • Over 6000 each time • Nutrients & food groups calculated

  13. Sample Diary Page

  14. Further information • Please ask if you would like • A paper copy or power point • Web details http://www.bristol.ac.uk/alspac/sci-com/quests/ http://www.bristol.ac.uk/alspac/documents/nutrition-2.pdf

More Related