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.
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.