Skip to main content
. 2006 Sep;60(9):804–810. doi: 10.1136/jech.2005.041319

Table 3 Relative risks of morbidity attributable to myocardial infarction by income, education, and occupational position (German study population, 2038 myocardial infarctions, controlled for sex) as estimated by means of Cox regression.

Model 1 Model 2 (mutually adjusted)
Relative risks 95% CI Relative risks 95% CI
Income (quintiles)
Income: highest 20% (reference category) 1 1
Income: higher 20% 1.20 1.03 to 1.41 1.15 0.98 to 1.35
Income: mean 20% 1.58 1.32 to 1.88 1.48 1.24 to 1.76
Income: lower 20% 1.58 1.29 to 1.93 1.43 1.17 to 1.75
Income: lowest 20% 2.35 1.89 to 2.92 2.25 1.80 to 2.80
Not classified for income 2.04 1.80 to 2.32 2.26 1.98 to 2.58
Occupational position
Intermediates/professionals (reference category) 1 1
Skilled non‐manuals 1.79 1.14 to 2.83 1.36 0.85 to 2.19
Skilled manuals 3.14 2.05 to 4.82 2.94 1.86 to 4.65
Unskilled/semi skilled 3.56 2.33 to 5.45 3.24 2.05 to 5.14
Not classified for occupational position 5.32 3.48 to 8.16 3.39 2.13 to 5.38
Education
University education (reference category) 1 1
13 years of school with or without apprenticeship 2.28 1.00 to 5.16 1.49 0.64 to 3.44
9 or 10 years of school and completed apprenticeship 4.38 2.41 to 7.94 3.34 1.77 to 6.28
Max 10 years without having completed apprenticeship 5.14 2.83 to 9.33 3.49 1.84 to 6.62
Not classified for education 8.11 4.47 to 4.73 4.06 2.14 to 7.67