Table 3.
Impact of adjustment of occupational status–all cause mortality associations for cumulative smoking, drinking, physical activity and fruit and vegetable intake by cohort and sex
| 1952 cohort (N = 1,444) | 1932 cohort (N = 1,550) | |
|---|---|---|
| N (%) died | 120 ( 8.3) | 719 (46.4) |
| Hazard ratio (95 % confidence interval) for all-cause mortality in respondents with manual versus non-manual occupational status | ||
| Age- and sex-adjusteda | 1.80 (1.25, 2.58) | 1.66 (1.43, 1.93) |
| Adjusted for smokingb | 1.34 (0.92, 1.96) | 1.40 (1.20, 1.63) |
| % attenuationc | 49 % | 34 % |
| Adjusted for drinkingd | 1.66 (1.15, 2.40) | 1.66 (1.43, 1.93) |
| % attenuationc | 13 % | - |
| Adjusted for physical activitye | 1.78 (1.24, 2.56) | 1.64 (1.41, 1.90) |
| % attenuationc | 1 % | 3 % |
| Adjusted for fruit and vegetable intakef | 1.40 (0.96, 2.03) | 1.39 (1.20, 1.62) |
| % attenuationc | 43 % | 35 % |
| Adjusted for all 4 behavioursg | 1.14 (0.77, 1.69) | 1.28 (1.10, 1.50) |
| % attenuationc | 77 % | 51 % |
| 1932 men (N = 704) | 1932 women (N = 846) | |
| N (%) died | 385 (54.7) | 334 (39.5) |
| Hazard ratio (95 % confidence interval) for all-cause mortality in respondents with manual versus non-manual occupational status | ||
| Age-adjusteda | 1.59 (1.30, 1.95) | 1.74 (1.41, 2.16) |
| Adjusted for smokingb | 1.30 (1.06, 1.61) | 1.51 (1.21, 1.88) |
| % attenuationc | 43 % | 26 % |
| Adjusted for drinkingd | 1.58 (1.29, 1.94) | 1.78 (1.43, 2,22) |
| % attenuationc | 2 % | - |
| Adjusted for physical activitye | 1.57 (1.28, 1.92) | 1.73 (1.39, 2.14) |
| % attenuationc | 2 % | 2 % |
| Adjusted for fruit and vegetable intakef | 1.31 (1.06, 1.61) | 1.50 (1.20, 1.87) |
| % attenuationc | 42 % | 28 % |
| Adjusted for all 4 behavioursg | 1.18 (0.95, 1.46) | 1.41 (1.12, 1.77) |
| % attenuationc | 65 % | 38 % |
aHazard ratio comparing all cause mortality in respondents with manual versus non-manual occupational status
bHazard ratio additionally adjusted for cumulative smoking
c % attenuation = 100 × (HRunadjusted – HRadjusted)/(HRunadjusted – 1)
dHazard ratio additionally adjusted for cumulative drinking
eHazard ratio additionally adjusted for cumulative physical activity
fHazard ratio additionally adjusted for cumulative fruit and vegetable intake
gHazard ratio additionally adjusted for cumulative smoking, drinking, physical activity and fruit and vegetable intake