This section concentrates on the health conditions people experience. Being free from illness is part of being healthy but there are other aspects as well which are explored in other parts of this website. The World Health Organization defines health as:
a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity
Rates of ill-health are commonly reported as rates per 100,000 population or prevalences.
Prevalance refers to the total number of individuals in a population who have a disease or health condition at a specific period of time, usually expressed as a percentage of the population.
Incidence refers to the number of individuals who develop a specific disease or experience a specific health-related event during a particular time period (such as a month or year).
Disease rates (for example) are often standardised. This means adjusting for the fact that different areas have different age profiles, which affects the likelihood of people being diagnosed with health conditions.
The Bolton picture
Global burden of disease - from the Institute of Health Metrics and Evaluation. Visualisation showing cause of deaths/ years lived with disability/ disability adjusted life years for Bolton and other geographies, also giving age and gender breakdowns and change over time.
NHS Hospital Trust catchments - which hospital people attend for treatment depending on where they live, and how people who attend a certain hospital compare with people who live within its catchment.
Atlases of variation - these help to identify unwarranted variation and assess the value that healthcare provides to both populations and individuals Interactive atlases - give more flexibility but fewer topics Static atlases - give less flexibility but more topics