The importance of illness duration, age at diagnosis and the year of diagnosis for labour participation chances of people with chronic illness: results of a nationwide panel-study in the Netherlands

Table 1 Socio-demographic characteristics of the sample (N = 4634)

	N	n	%	Mean	Sd
Gender	4634
Male		1929	41.6
Female		2705	58.4
Age (in years)	4634			49.25	11.55
Ethnicity	3478¹
Native		3182	91.5
Western non-native		219	6.3
Non-western		77	2.2
Education level	4503
Primary school		400	8.9
Low / preparatory Vocational education		1265	28.1
Intermediate general education		795	17.7
Advanced general or intermediate vocational education		1197	26.6
High vocational education		655	14.5
University		191	4.2
Marital status	4622
Single (incl. widowed, divorced)		940	20.3
Married / cohabited		3682	79.7
Urbanisation level	4634
1: Most urban		550	11.9
2: │		1052	22.7
3: │		956	20.6
4: │		1282	27.7
5: Not urban		794	17.1
Region of The Netherlands	4634
North		396	8.5
East		1415	30.5
West		1843	39.8
South		980	21.1

¹Information on ethnicity is missing for all cases joining the panel in 1998, because it was not included in the questionnaire they filled in at that time.

ISSN: 1471-2458