Table 2.

Attributes of 1018 primary care service areas

	Average	Median	Min	Max
No. of communities	2.71	2	1	61
Population size	7318	3754	282	419599
Average age	38.45	38.36	32.69	51.48
Female/male ratio	1.01	1.01	0.68	1.22
Non-Swiss citizensa	0.15	0.14	0.01	0.52
No. of physicians	6.45	3	1	510
Physician/10000 inhabitant	7.98	7.29	2.04	38.3
Consultations per inhabitant	3.00	3.00	0.70	7.68
Localization index	56.5%	55.3%	28.9%	97.1%
Market share index	60.0%	60.8%	7.4%	95.3%

^aProportion of non-Swiss citizens among residents