Table 3. Hazard ratios of body mass index and smoking for all-cause mortality.
Variables | Men | Women | ||||
|
|
|||||
Number of subjects |
Number of deceased |
Hazard ratios (95%C.I.) | Number of subjects |
Number of deceased |
Hazard ratios (95%C.I.) | |
Age (10 year interval) | 2.22 (1.96-2.53) | 2.34 (1.97-2.79) | ||||
Body Mass Index | ||||||
BMI < 20 | 1139 | 130 | 1.78 (1.38-2.29) | 1539 | 73 | 1.92 (1.35-2.72) |
20≦BMI < 22 | 1815 | 141 | 1.35 (1.06-1.73) | 2263 | 63 | 1.22 (0.85-1.76) |
22≦BMI < 24 | 2052 | 116 | 1.00 (reference) | 2285 | 55 | 1.00 (reference) |
24≦BMI < 26 | 1417 | 68 | 0.91 (0.67-1.22) | 1594 | 51 | 1.26 (0.86-1.84) |
26≦BMI | 878 | 47 | 1.11 (0.79-1.56) | 1144 | 45 | 1.56 (1.05-2.31) |
Smoking | ||||||
Never-smokers | 1604 | 72 | 1.00 (reference) | 7711 | 221 | 1.00 (reference) |
Ex-smokers | 1653 | 123 | 1.35 (1.01-1.81) | 240 | 12 | 1.38 (0.77-2.47) |
Current smokers | ||||||
< 20 cigarettes/day | 1239 | 121 | 1.61 (1.20-2.16) | 541 | 36 | 2.07 (1.45-2.95) |
≧ 20 cigarettes/day | 2805 | 186 | 1.44 (1.10-1.90) | 233 | 18 | 2.02 (1.25-3.26) |
Adjusted for variables in this table.
C.I.=Confidence interval