Table 1.

Sociodemographic composition of the population in the PCS catchment areas, and out-of-hours PCS use in number of contacts/1000 inhabitants per year

Year	Sample				Dutch population
	2013	2014	2015	2016	2016
Area composition
Number of inhabitants	6 549 261	6 570 960	6 599 953	6 631 441	16 977 556
	%	%	%	%	%
Female	50.2	50.1	50.1	50.1	50.4
Age group 0–4 years	5.2	5.1	5.1	5.0	5.2
5–17 years	15.6	15.5	15.3	15.2	15.0
18–44 years	33.2	32.8	32.3	32.0	33.5
45–64 years	29.1	29.2	29.4	29.5	28.2
65–74 years	9.9	10.3	10.6	10.9	10.5
75–84 years	5.2	5.3	5.4	5.5	5.6
85+ years	1.8	1.9	1.9	2.0	2.1
Urbanisation rural	38.4	38.5	37.9	37.7	50.2
Low	15.5	15.2	14.4	14.2	13.8
Moderate	13.6	13.9	12.7	13.0	11.3
High	17.2	16.9	18.7	18.8	14.8
Very high	15.3	15.6	16.3	16.4	10.0
Neighbourhood SES very low	24.5	24.5	24.5	24.6	25.0
Low	20.5	20.5	20.5	20.5	25.0
High	23.4	23.4	23.4	23.3	25.0
Very high	31.6	31.6	31.6	31.5	25.0

PCS use/1000 inhabitants	n	n	n	n	n
Contacts total	219.1	215.8	221.7	232.9	–
Urgency high	115.7	116.3	125.2	136.4	–
Low	103.3	99.5	96.4	96.5	–
Time night	26.2	26.5	27.6	29.5	–
Evening/weekend/holiday	192.8	189.4	194.1	203.3	–
Type of contact home visit	23.5	22.6	22.7	22.9	–
Consultation	106.5	107.5	111.1	116.6	–
Telephone consultation	89.0	85.7	87.8	93.4	–

PCS, primary care service; SES, socioeconomic status.