Table 4. Association between body mass index trajectories and cause-specific mortality hazard ratio^a.

Male aged over 60	low-normal weight, stable	Mid-normal weight, stable	Overweight, stable	Obesity, stable
Cancer	1.06 (0.90, 1.25)	1	1.01 (0.89, 1.13)	1.336*** (1.09, 1.64)
Cardiovascular disease	0.94 (0.77, 1.15)	1	0.994 (0.87, 1.14)	1.336*** (1.06, 1.69)
Respiratory disease	1.70*** (1.39, 2.08)	1	0.817** (0.68, 0.98)	1.027 (0.73, 1.46)
Others	1.33** (1.14, 1.55)	1	1.004 (0.89, 1.13)	1.232 (0.99, 1.53)
Male aged 40–60	low-normal weight, increasing	Mid-normal weight, increasing	Overweight, increasing	Obesity, increasing
Cancer	1.02 (0.92, 1.30)	1	1.061 (0.95, 1.18)	1.205 (0.99, 1.46)
Cardiovascular disease	1.12 (0.90, 1.40)	1	1.363** (1.16, 1.61)	2.079*** (1.61, 2.68)
Respiratory disease	1.85*** (1.31, 2.61)	1	1.002 (0.71, 1.41)	0.699 (0.32, 1.51)
Others	1.25** (1.07, 1.46)	1	1.07 (0.94, 1.22)	1.425** (1.15, 1.77)
Female aged over 60	low-normal weight, increasing	Mid-normal weight, increasing	Overweight, increasing	Obesity, increasing
Cancer	0.92 (0.75, 1.12)	1	1.01 (0.86, 1.19)	0.75*** (0.60, 0.93)
Cardiovascular disease	1.08 (0.89, 1.31)	1	1.10 (0.96, 1.22)	1.35* (1.02, 1.81)
Respiratory disease	1.94*** (1.45, 2.58)	1	1.19 (0.94, 1.21)	1.24 (0.70, 2.22)
Others	1.21* (1.04, 1.40)	1	1.10 (0.95, 1.26)	1.56** (1.24, 1.96)
Female aged 40–60	low-normal weight, increasing	Mid-normal weight, increasing	Overweight, increasing	Obesity, increasing
Cancer	0.96 (0.84, 1.09)	1	1.04 (0.91, 1.18)	1.02 (0.79, 1.32)
Cardiovascular disease	1.15 (0.90, 1.48)	1	1.50** (1.19, 1.88)	1.62* (1.09, 2.41)
Respiratory disease	1.74*** (1.10, 2.74)	1	1.11 (0.68, 1.82)	2.03 (0.98, 4.19)
Others	1.09 (0.92, 1.30)	1	1.23* (1.04, 1.45)	1.68** (1.29, 2.19)

^a: Fully adjusted model: Adjusted for age, education level, smoking status, alcohol consumption and physical activity.

*p<0.05,

**p<0.01,

***p<0.0001.