A health organisation collected data over a 10-year period.
| Scale | Measure | Start of period | End of period |
|---|---|---|---|
| Local | residents living within a 10-minute walk of recreation space | 64% | 39% |
| Local | adults with obesity | 21% | 29% |
| National | annual health-service spending on non-communicable diseases | £18.4 billion | £27.1 billion |
| National | working days lost because of non-communicable diseases | 31 million | 46 million |
| Global | adults with obesity in rapidly urbanising lower-income populations | 8% | 14% |
| Global | people who are undernourished in these populations | 16% | 15% |
Explain how lifestyle and social or economic factors could account for the patterns in the table at local, national and global levels.
Your answer should include why the data do not prove that any one factor caused the changes.
102 exam-style questions on Edexcel GCSE Biology 5.4 Non-communicable diseases, covering 5.4.1 Interaction of factors in non-communicable disease, 5.4.2 Lifestyle factors and non-communicable disease, and 5.4.3 Treatments for cardiovascular disease. Each one has a worked solution and a mark scheme showing where the marks go.