Table 1: Demographics for the catchment areas of the four EDs.

ED1 ED2 ED3 ED4
Population served 145000 282000 185000 205000
Patient age (years) 45.8 41.7 42.6 42.4
Citizens with chronic diseases a 34% 29% 30% 31%
Relation to the labor market:
Employed 42% 48% 47% 46%
Unemployed 2% 2% 2% 2%
Not in the labor force 56% 49% 51% 52%

Note: Data for municipalities were obtained from Statistics Denmark and recalculated into sums for the catchment areas of the EDs. The data are for the beginning of 2014, except the data about chronic diseases which are for 2010. a Covers the chronic conditions cardiovascular disease, chronic obstructive pulmonary disease, diabetics, osteoporosis, rheumatoid arthritis, and mental illness.