Prevalence of underweight, healthy weight, overweight and obese children.
The data covers children in Reception year (aged 4-5) and Year 6 (aged 10-11)
There is the potential for error in the collection, collation and interpretation of the data (bias may be introduced due to poor response rates and selective opt out of larger children which it is not possible to control for).
The National Child Measurement Programme (NCMP) does not include children in the Independent sector, therefore, coverage of school children aged 4-5 is not complete.
Data from The Health and Social Care Information Centre, Lifestyle Statistics / Department of Health Cross-Government Obesity Unit NCMP Dataset.
95% confidence intervals should be taken into account when making direct comparisons of two different prevalence figures.
Where confidence intervals overlap, it is not possible to say that a difference is statistically significant.
Local Authority mapping in this data has been based on school location. Since 2010/11 data by location of pupil residence is also available from the Information Centre website.
Note in since the publication of the 2011/12 to 2013/14 dataset, the boundaries used at the new 2014 ward boundaries and the 2011 Middle Super Output Area (MSOA) boundaries. Before this it was pre-2014 ward boundaries and 2001 MSOA boundaries.
Ward and MSOA level data can be downloaded from the National Obesity Observatory website and is also shown in the GLA ward profiles.
Relevant links: http://www.hscic.gov.uk/ncmp
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