Social class (manual v partly skilled or unskilled) | 1.1 (0.7 to 1.4) | 1.0 (0.6 to 1.6) | 1.0 (0.6 to 1.6) |
Social class (non-manual v partly skilled or unskilled) | 1.2 (0.8 to 1.7) | 0.9 (0.5 to 1.6) | 1.4 (0.8 to 2.3) |
Social class (professional or intermediate v partly skilled or unskilled) | 1.1 (0.8 to 1.4) | 1.0 (0.7 to 1.8) | 0.9 (0.6 to 1.5) |
Employment status (employed v unemployed) | 0.7 (0.5 to 0.9) | 0.6 (0.4 to 0.8) | 0.8 (0.5 to 1.1) |
Smoking (ex-smoker v non-smoker) | 1.4 (1.0 to 2.2) | 1.5 (0.8 to 2.8) | 1.5 (0.9 to 2.6) |
Smoking (current smoker v non-smoker) | 2.1 (1.5 to 3.3) | 2.7 (1.4 to 4.9) | 1.8 (1.1 to 3.2) |
Family history of IHD | 1.5 (1.1 to 2.0) | 1.5 (1.0 to 2.3) | 1.5 (1.0 to 2.2) |
Prevalence of pre-existing diseases (summation of the following two items) | 2.0 (1.6 to 2.6) | – | – |
IHD prevalence | 2.1 (1.6 to 2.6) | – | – |
Lifetime prevalence chronic diseases | 1.7 (1.3 to 2.1) | – | – |
Area (Speedwell v Caerphilly) | 1.6 (1.3 to 2.2) | 1.5 (1.0 to 2.2) | 1.9 (1.3 to 2.7) |
Age (per year) | 1.05 (1.02 to 1.08) | 1.06 (1.01 to 1.11) | 1.04 (1.00 to 1.09) |
Body mass index (per kg/m2) | 1.06 (1.02 to 1.09) | 1.05 (1.00 to 1.10) | 1.07 (1.02 to 1.11) |
Subjective noise sensitivity (much or very much v not at all, a little, or moderate) | 0.9 (0.6 to 1.3) | 1.1 (0.6 to 1.9) | 0.8 (0.5 to 1.3) |