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. 2011 Oct 13;11:798. doi: 10.1186/1471-2458-11-798

Table 1.

Sample characteristics (N = 3050).

Variable N (%) Mean (SD) Range
Age 44.9 (15.9) 17-96
Male 1332 (43.7)
Level of education no education and primary school 332 (10.9)
lower vocational/intermediate secondary school 712 (23.3)
intermediate vocational/higher secondary school 579 (19.0)
higher vocational school/university 1427 (46.8)
Non-Western background 389 (12.8)
Chronic diseasesa Cardiovascular disease 460 (15.1)
Musculoskeletal disorder 775 (25.4)
Diabetes 185 (6.1)
Lung diseases 268 (8.8)
Cancer 56 (1.8)
Stressors Financial stress 1.6 (0.5) 1-3
Perceived health status 1.8 (0.5) 1-3
Psychological distress 1.3 (0.3) 1-3
Resources Perceived life control 2.5 (0.4) 1-3
Social support 2.7 (0.4) 1-3
Social cohesion 2.3 (0.4) 1-3
Health behaviours Exercise (minutes per week) 107.8(156.6) 0-750
Vegetable consumption (daily no. of serving spoons) 3.6 (1.9) 0-12
Breakfast frequency (per week) 5.9 (2.1) 0-7
Smoking (cigarettes/cigars per day) 3.0 (6.8) 0-30

a number of respondents indicating that they currently suffered, or had suffered during the last twelve months, the disease.