Table 3.
Hazard ratios for vascular and non-vascular mortality and life expectancy by risk factors at study entry when examined separately
| Risk factors | Prevalence at baseline (%) | Vascular deaths | Non-vascular deaths | Mean (SE) life expectancy at age 50 | |||
|---|---|---|---|---|---|---|---|
| Deaths | HR* (95% CI) | Deaths | HR* (95% CI) | ||||
| Smoking: | |||||||
| Never smoker | 18.4 | 1019 | 1.0 | 965 | 1.0 | 32.6 (0.2) | |
| Ex-smoker | 36.5 | 2324 | 1.11 (1.03 to 1.20) | 2436 | 1.26 (1.17 to 1.35) | 30.8 (0.1) | |
| Pipe/cigar only | 3.5 | 222 | 1.15 (0.99 to 1.33) | 221 | 1.24 (1.07 to 1.43) | 30.9 (0.5) | |
| Current smoker | 41.7 | 2834 | 1.57 (1.46 to 1.69) | 3352 | 2.07 (1.92 to 2.22) | 26.3 (0.1) | |
| Systolic blood pressure (fifth): | |||||||
| 1 (lowest) | 20.9 | 970 | 1.0 | 1509 | 1.0 | 31.1 (0.2) | |
| 2 | 20.2 | 1052 | 1.11 (1.02 to 1.21) | 1394 | 0.95 (0.88 to 1.02) | 30.8 (0.2) | |
| 3 | 20.3 | 1266 | 1.36 (1.25 to 1.48) | 1421 | 0.99 (0.92 to 1.07) | 29.8 (0.2) | |
| 4 | 18.0 | 1276 | 1.60 (1.48 to 1.74) | 1240 | 1.02 (0.95 to 1.10) | 28.5 (0.2) | |
| 5 (highest) | 20.7 | 1835 | 2.17 (2.01 to 2.35) | 1412 | 1.11 (1.03 to 1.19) | 25.9 (0.2) | |
| Cholesterol (fifth) | |||||||
| 1 (lowest) | 18.9 | 1008 | 1.0 | 1338 | 1.0 | 30.0 (0.2) | |
| 2 | 21.1 | 1218 | 1.11 (1.02 to 1.20) | 1449 | 0.99 (0.92 to 1.07) | 29.7 (0.2) | |
| 3 | 19.1 | 1135 | 1.13 (1.04 to 1.23) | 1333 | 1.00 (0.93 to 1.08) | 29.5 (0.2) | |
| 4 | 20.6 | 1309 | 1.20 (1.10 to 1.30) | 1332 | 0.92 (0.85 to 0.99) | 29.3 (0.2) | |
| 5 (highest) | 20.3 | 1507 | 1.49 (1.38 to 1.62) | 1226 | 0.92 (0.85 to 1.00) | 28.1 (0.2) | |
| BMI: | |||||||
| 1 (lowest) | 21.0 | 1124 | 1.0 | 1644 | 1.0 | 29.0 (0.2) | |
| 2 | 19.5 | 1134 | 0.99 (0.91 to 1.07) | 1313 | 0.77 (0.72 to 0.83) | 30.4 (0.2) | |
| 3 | 20.3 | 1294 | 1.08 (1.00 to 1.17) | 1347 | 0.77 (0.71 to 0.82) | 29.9 (0.2) | |
| 4 | 19.0 | 1296 | 1.15 (1.06 to 1.25) | 1288 | 0.78 (0.73 to 0.84) | 29.4 (0.2) | |
| 5 (highest) | 20.3 | 1550 | 1.41 (1.30 to 1.52) | 1386 | 0.87 (0.81 to 0.94) | 27.7 (0.2) | |
| Employment grade: | |||||||
| Administrative/professional/executive | 73.4 | 4290 | 1.0 | 4526 | 1.0 | 30.2 (0.1) | |
| Clerical | 16.6 | 1143 | 1.26 (1.18 to 1.35) | 1286 | 1.43 (1.34 to 1.52) | 26.8 (0.2) | |
| Other | 10.0 | 709 | 1.31 (1.20 to 1.42) | 883 | 1.69 (1.57 to 1.82) | 24.8 (0.4) | |
| Marital status: | |||||||
| Married | 88.0 | 5633 | 1.0 | 6055 | 1.0 | 29.5 (0.1) | |
| Other | 12.0 | 764 | 1.15 (1.07 to 1.24) | 923 | 1.31 (1.23 to 1.41) | 27.3 (0.3) | |
| Blood glucose: | |||||||
| Normoglycaemic | 93.1 | 5810 | 1.0 | 6418 | 1.0 | 29.5 (0.1) | |
| Glucose intolerant or diabetic | 6.9 | 545 | 1.44 (1.31 to 1.57) | 514 | 1.28 (1.17 to 1.40) | 25.9 (0.3) | |
BMI=body mass index.
*Hazard ratios adjusted for age at risk and calendar period.