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aBMI for 4‐ to 5‐year‐old children in each major ethnic group between 2007‐2008 and 2012‐2013 by sex. Lines represent mean annual change in BMI in each ethnic group across the 6 years from age group and sex‐stratified regression models of aBMI against ethnic group, an interaction between ethnic group and year and age (continuous). Points and corresponding 95% CIs show the mean aBMI level (age adjusted) for each school year.
