Primary School Free Breakfast data augmentation and analysis

Lead investigator
Professor Laurence Moore

DECIPHer evaluated the Welsh Government’s Primary School Free School Breakfast Initiative. School-level regression analyses examining aggregate effects of the intervention upon repeated cross sections of children from each of these schools was previously conducted.

Aims & objectives
Augmentation and secondary analysis of data to provide important further information on the effectiveness of the Primary School Free Breakfasts inititative, and notably on the impact of the initiative on socio-economic disparities in diet, cognition and school performance.
Study design

Secondary statistical analysis

  • Identify each participating student and through Secure Anonymised Data Linkage (SAIL) system, obtain current free school meal entitlement status, future SAT and GCSE performance data, and postcode of residence. Postcode then used to obtain SES variable(s) for each student for the census output area within which their home is located.
  • Data provides comprehensive overview of children’s diets in terms of macro and micronutrient intakes, gives insight into the effects of the intervention upon children’s nutrient intakes.
  • Calculate Reference Daily Intakes (RDIs) for each macro and micronutrient, based upon gender and age.
Further information & publications
Start date
May 2009
End date
April 2011
Trial register number