Table 2.
Relative index of inequality (95% confidence interval) for the relation of indicators of socio-economic position with mortality in the VES—controlling for IQ at wave 1 (AGTT) and established risk factors at wave 2 (n = 4289)
| Outcome (no. of deaths) | Age-adjusted | Adjusted for age plus IQ | % changea | Adjusted for age plus risk factorsb | % changec | Adjusted for age plus risk factors and IQ | % changed |
|---|---|---|---|---|---|---|---|
| All-cause mortality (237) | |||||||
| Army incomee | 3.24 (1.95, 5.41) | 2.38 (1.40, 4.05) | 38.4 | 2.46 (1.48, 4.12) | 34.8 | 2.10 (1.24, 3.58) | 50.9 |
| Occupation | 2.96 (1.88, 4.67) | 2.05 (1.24, 3.39) | 46.4 | 2.09 (1.31, 3.33) | 44.4 | 1.70 (1.03, 2.84) | 64.3 |
| Mid-life income | 7.34 (4.48, 12.0) | 5.91 (3.49, 10.0) | 22.6 | 5.08 (3.09, 8.37) | 35.6 | 4.69 (2.78, 7.93) | 41.8 |
| Education | 3.72 (2.31, 6.00) | 2.47 (1.42, 4.32) | 46.0 | 2.44 (1.49, 3.99) | 47.1 | 1.96 (1.11, 3.46) | 64.7 |
| 38.4f | 40.5 | 55.4 | |||||
| CVD mortality (62) | |||||||
| Army income | 2.52 (0.95, 6.72) | 1.88 (0.68, 5.21) | 42.1 | 2.06 (0.76, 5.63) | 30.3 | 1.90 (0.67, 5.37) | 40.8 |
| Occupation | 4.11 (1.68, 10.1) | 3.20 (1.20, 8.54) | 29.3 | 2.62 (1.04, 6.60) | 47.9 | 2.57 (0.94, 7.10) | 49.5 |
| Mid-life income | 6.48 (2.52, 16.7) | 5.36 (1.95, 14.7) | 20.4 | 5.17 (1.94, 13.8) | 23.9 | 5.26 (1.89, 14.7) | 22.3 |
| Education | 3.29 (1.31, 8.28) | 2.25 (0.76, 6.64) | 45.4 | 1.93 (0.75, 4.95) | 59.4 | 1.78 (0.58, 5.46) | 65.9 |
| 34.3 | 40.4 | 44.6 | |||||
| Remaining causes (175) | |||||||
| Army income | 3.56 (1.95, 6.49) | 2.60 (1.39, 4.85) | 37.5 | 2.57 (1.42, 4.67) | 38.7 | 2.14 (1.16, 3.98) | 55.5 |
| Occupation | 2.63 (1.55, 4.47) | 1.75 (0.97, 3.14) | 54.0 | 1.85 (1.07, 3.19) | 47.9 | 1.42 (0.79, 2.57) | 74.2 |
| Mid-life income | 7.68 (4.32, 13.7) | 6.13 (3.31, 11.3) | 23.2 | 5.00 (2.80, 8.94) | 40.1 | 4.46 (2.42, 8.22) | 48.2 |
| Education | 3.89 (2.23, 6.81) | 2.56 (1.34, 4.90) | 46.0 | 2.62 (1.47, 4.66) | 43.9 | 2.02 (1.05, 3.92) | 64.7 |
| 40.2 | 42.7 | 60.7 | |||||
aBased on a comparison of the age-adjusted RII with that for the IQ-adjusted RII using the formulae: ([RIIage-adjusted − 1] − [RIIIQ and/or risk factor-adjusted − 1]/[RIIage-adjusted − 1]) × 100%.
bSystolic and diastolic blood pressure, total cholesterol, HDL cholesterol, BMI, smoking, blood glucose, resting heart rate, and forced expiratory volume in 1 s.
cBased on a comparison of the age-adjusted RII with that for the risk factor-adjusted RII.
dBased on a comparison of the age-adjusted RII with that for the IQ- and risk factor-adjusted RII.
eResults are hazards ratio for a comparison of the most socio-economically disadvantaged men with the least disadvantaged.
fMean per cent change across the four socio-economic indices for each outcome.