Table 3.
Hazards ratios (95% confidence intervals) for the relation of risk factors with cardiovascular disease mortality (N=1503)
n deaths |
n at risk |
Age- and sex-adjusted | Age-, sex- and socioeconomic-adjusteda |
Mutually-adjustedb | ||
---|---|---|---|---|---|---|
BMI category | Underweight/normal | 64 | 1,081 | 1.00 Referent | 1.00 | 1.00 |
Overweight | 33 | 369 | 1.19 (0.77, 1.83) | 1.18 (0.76, 1.81) | 1.17 (0.75, 1.82) | |
Obese | 6 | 53 | 1.79 (0.77, 4.16) | 1.77 (0.76, 4.11) | 1.46 (0.57, 3.73) | |
p-value for trend | 0.172 | 0.196 | 0.358 | |||
Hypertensive | No | 70 | 1,149 | 1.00 | 1.00 | - |
Yes | 33 | 354 | 1.48 (0.98, 2.24) | 1.46 (0.96, 2.21) | - | |
Bronchitis | No | 100 | 1,484 | 1.00 | 1.00 | 1.00 |
Yes | 3 | 19 | 1.74 (0.55, 5.52) | 1.57 (0.49, 5.01) | 1.18 (0.37, 3.82) | |
Smoking status | Never smoker | 11 | 501 | 1.00 | 1.00 | 1.00 |
Ex-smoker | 5 | 105 | 1.58 (0.54, 4.57) | 1.60 (0.55, 4.64) | 1.60 (0.55, 4.66) | |
Current smoker | 87 | 897 | 4.16 (2.22, 7.80) | 4.03 (2.15, 7.59) | 4.20 (2.22, 7.96) | |
p-value for trend | <0.001 | <0.001 | <0.001 | |||
Social class | Non-manual | 37 | 695 | 1.00 | - | 1.00 |
Manual | 66 | 808 | 1.42 (0.94, 2.13) | - | 1.04 (0.68, 1.60) | |
Regular drivers | Yes | 39 | 538 | 1.00 | - | 1.00 |
No | 64 | 965 | 1.21 (0.80, 1.82) | - | 1.01 (0.66, 1.54) | |
Height | SD increase | 103 | 1,503 | 0.82 (0.63, 1.07) | 0.85 (0.65, 1.12) | 0.93 (0.69, 1.27) |
Diastolic blood pressure | SD increase | 103 | 1,503 | 1.14 (0.93, 1.41) | 1.15 (0.94, 1.42) | 1.09 (0.87, 1.37) |
Systolic blood pressure | SD increase | 103 | 1,503 | 1.16 (0.96, 1.39) | 1.15 (0.95, 1.38) | 1.17 (0.95, 1.45) |
FEV1 | SD increase | 103 | 1,503 | 0.69 (0.55, 0.86) | 0.71 (0.56, 0.89) | 0.72 (0.50, 1.02) |
FVC | SD increase | 103 | 1,503 | 0.76 (0.59, 0.98) | 0.79 (0.60, 1.03) | 1.09 (0.70, 1.69) |
Cardiothoracic ratio | SD increase | 103 | 1,503 | 1.06 (0.88, 1.27) | 1.05 (0.86, 1.27) | 1.01 (0.83, 1.24) |
Alcohol | SD increase | 103 | 1,503 | 1.20 (1.02, 1.41) | 1.17 (1.00, 1.38) | 1.07 (0.90, 1.28) |
socio-economic status comprised occupational social class and car use/ownership;
mutual adjustment is for all variables in the table except hypertension (control was made for blood pressure components)