Table 3.

Practice characteristics compared to the national average

Practice characteristics	Study population, percentage							National Average b
	2007	2008	2009	2010	2011	2012	Total
Practice type
Single handed	26.5 %	23.2 %	29.9 %	31.7 %	27.2 %	12.5 %	24.3 %	39.5 %
Duo or group	73.5 %	76.8 %	70.1 %	68.3 %	72.8 %	87.5 %	75.7 %	60.5 %
Urbanization degree
- High urbanisation d	45.5 %	42.5 %	43.8 %	42.3 %	44.6 %	-	44.2 %	47.7 %
- Moderate urbanisation d	44.0 %	37.2 %	43.2 %	46.3 %	42.7 %	-	43.1 %	40.7 %
- Rural d	10.5 %	20.3 %	13.0 %	11.4 %	12.7 %	-	12.7 %	11.6 %
Mean N of pats/ practice	4228	4882	4699	4545	4714	5171	4767	4055 a
Training practice	52.2 %	42.5 %	48.4 %	69.7 %	66.5 %	53.9 %	57.5 %	33 % c
Number of practices	323	323	265	237	230	279	1657
Number of GPs	323	323	435	602	540	743	2966

^a Total Dutch population divided by the total number of primary care practices

^b NIVEL 2010 and Dutch national Compass, 2011

^c Capacity committee

^d urbanization, high: > 1.500 addresses/km², moderate: 500–1500 addresses/km², rural: < 500 addresses/km²