Table 1.

Number of participants and participation rates (%) in the Västerbotten Intervention Programme (VIP), 1990–2006, among men, by background characteristics

		Participation rate
Characteristics	Number	1990–1994	1995–1998	1999–2002	2003–2006	Overall (1990–2006)
Age (yr)
40	15,674	54.0	51.7	53.9	59.5	54.8
50	16,799	55.2	54.5	59.7	63.4	58.1
60	13,974	54.9	60.8	61.7	64.8	60.9
Country of birtha
Sweden	44,679	55.5	56.1	59.4	63.3	58.6
EU	1,150	40.2	41.8	43.9	55.4	45.2
Non-EU	617	33.2	29.4	35.4	42.5	35.9
Marital status
Married	34,980	58.3	59.5	62.6	67.3	61.8
Single	11,466	44.2	44.0	48.9	53.1	47.9
Education
High	9,294	55.6	51.6	57.0	61.6	56.6
Middle	25,724	55.8	56.7	60.0	63.9	59.4
Low	11,428	52.7	54.8	55.1	59.1	54.9
Individual income
High	18,709	58.6	57.0	61.7	66.5	60.9
Middle	19,159	56.2	57.3	60.8	65.3	60.1
Low	8,578	44.5	48.5	48.2	50.5	48.0
Residence
Urban	17,106	54.0	46.2	55.6	62.2	54.7
Semi	15,960	48.9	59.3	60.2	61.8	57.6
Rural	13,380	63.0	61.8	59.6	64.1	62.1
Number of prior hospitalisations
0	34,752	55.5	56.1	59.9	63.8	59.0
1	7,394	56.8	54.8	57.9	61.8	57.7
2+	4,300	47.5	49.6	47.0	52.4	49.0
Prior CVD hospitalisations
No	44,063	55.1	55.6	59.0	63.2	58.2
Yes	2,383	47.3	48.4	47.2	52.9	49.1
Total	46,446	54.7	55.1	58.3	62.5	57.7

^aEU is European Union. Non-EU is non-European Union.