In the same report it said that the UK is drinking more, only just behind Poland and Latvia. i wondered if they'd taken into account the migration from Poland and Latvia. My area, in particular, now has a Polish or Latvian person in every street.
I get weighed every three Months. My obesity is because of my Health and medication.
I suppose that they take into account Women booking in Pregnancies etc, so 'healthy people', as well.
Our local University (Liverpool) is always conducting studies and asking for volunteers from the younger, healthy community and Bio-Bank is still going (which gathers statistics).
It's Health England. Their 2015 Survey used 8000 Adults.
The 2018 report gathered information from, Local Authorities, Regions, Clinical Commissioning Groups, Sustainability and Transformation Partnerships etc.
Taken into account were,
Obesity related hospital admissions.
Prescription items for the treatment of obesity.
Adult obesity prevalence.
Childhood obesity prevalence.
Physical activity levels among adults and children.
Diet among adults and children, including trends in purchases, and consumption of food and drink and energy intake.