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Table 3 Relation between educational level and incident cases of first cardiovascular event (stroke or coronary event) in a population with CRP-levels below 3.

From: C-reactive protein, established risk factors and social inequalities in cardiovascular disease – the significance of absolute versus relative measures of disease

    Crude model Age- and sex-adjusted model
Educational level N (%) No. of cases Incidence rate (per 100 000) Hazard ratio (95% CI) † Absolute difference Incidence rate (per 100 000) Hazard ratio (95% CI)† Absolute Difference
8 years of education or less 1,443 76 619 3.2 (1.7, 6.2) 429 573 2.7 (1.4, 5.1) 358
9 to12 years of education 1,185 42 413 2.2 (1.1, 4.2) 223 443 2.2 (1.1, 4.3) 228
More than 12 years of education* 668 11 190 1.0 0 215 1.0 0
Total 3,296 129 457    467   
  1. *Reference category
  2. †CI; confidence interval