Age-adjusted event rates and age- and multiple risk factors-adjusted HRs with 95% CI, of first CHD event, by occupational class (N=2964 subjects CHD-free at baseline)
EGP class | No of events | Age adjusted | MRF adjusted* | |||
Rate‡ | HR | 95% CI | HR | 95% CI | ||
Administrators and professionals | 34 | 6.04 | 1.84 | 1.10 to 3.09 | 1.81 | 1.08 to 3.04 |
Non-manual workers | 25 | 3.28 | Ref | – | Ref | – |
Manual workers | 74 | 5.46 | 1.63 | 1.03 to 2.57 | 1.58 | 1.00 to 2.52 |
Self-employed | 38 | 5.80 | 1.72 | 1.04 to 2.86 | 1.57 | 0.94 to 2.62 |
p Value† | – | – | 0.097 | 0.14 |
* MRF, multiple risk factors (age, systolic blood pressure, total cholesterol, HDL-cholesterol, current cigarette smokers, diabetes mellitus, alcohol intake).
† Heterogeneity, χ2 test p value.
‡ Rate per 1000 person-years.
CHD, coronary heart disease; EGP, Erikson–Goldthorpe–Portocarero class scheme.