Sample characteristics
Eight of 11 LDC centres approached to participate in the study agreed to participate (four intervention, four comparison: Fig. 
CONSORT flow diagram of centres and children through the study.
Demographic characteristics of comparison and intervention; centres, centre cooks and children included in follow up data analysisIQR, inter-quartile range.Data presented as Three socio-economic status categories, low, mid and high, were formed using Socio-Economic Indexes for Areas determined by centre postcode. Indices of 1–3 were categorised as indicating ‘low’ SES, 4–7 as ‘mid’ and 8–10 as ‘high’
