The rate is calculated by the House
of Commons library and shows the number
of claimants as a
proportion of the estimated economically
active population aged 16 to 64 resident in each constituency in 2008.
Their findings revealed that cardiology and neurologic inpatient prevalence rates (the
proportion of a
population found to have been hospitalized per 100 residents per year) were significantly higher in areas closer to
active wells, as determined by the proximity
of wells to a person's home and their density as defined by the number
of active wells per square kilometer.