Table 3 Hazard Ratio of all-cause mortality or premature death among Smokers, as Compared with non-smokers in total and subgroup analysis ¹

All-cause mortality

Ex-smoker

Unadjusted

2.48 (1.85, 3.33)

1.95 (1.30, 2.93)

3.71 (1.95, 7.04)

Adjusted

1.75 (1.24, 2.46)

1.67 (1.11, 2.53)

1.82 (0.95, 3.48)

Smoker

Unadjusted

1.31 (1.03, 1.65)

1.04 (0.73, 1.48)

1.97 (1.19, 3.26)

Adjusted

1.37 (1.02, 1.83)

1.27 (0.88, 1.83)

1.45 (0.87, 2.41)

Premature death ²

Ex-smoker

Unadjusted

2.78 (1.84, 4.18)

2.38 (1.36, 4.17)

2.34 (0.74, 7.46)

Adjusted

2.25 (1.38, 3.66)

2.08 (1.18, 3.69)

1.49 (0.46, 4.80)

Smoker

Unadjusted

1.63 (1.18, 2.23)

1.23 (0.75, 2.02)

3.18 (1.76, 5.77)

Adjusted

1.58 (1.04, 2.39)

1.29 (0.77, 2.14)

2.32 (1.27, 4.26)